Saddle: Basically, there are two types of saddle keys: the flat saddle key and the hollow saddle key. [3] The latter is. thick x 1 in. Woodruff key. The main advantages of a woodruff key are as follows : 1. 04 $ 12 . The comprehensive directory provides access to full contact and ability information for sourcing professionals, engineers and researchers wishing to get information on Woodruff Keys. This streamlined design allows for easier assembly, disassembly, and maintenance of the machinery or engine. The Woodruff Key numbers indicate normal key dimensions. 2 16 45 12 19 - + n 19 n 25 28 - 0. Standard Steel Specialty is the largest customized Woodruff, HyPro, and NonRok key manufacturer made to your material and print specifications. R. Model # 302-080. The bottom circular portion is placed in the shaft by hammering & the top flat portion is inserted into the keyway of the hub. Kennedy Key- The engine woodruff keys are available for purchase. A woodruff key is a half-moon shaped key used to secure a rotating component to a shaft. Last updated 5 days ago. 4. keys(): print(k) Gryffindor Ravenclaw Slytherin Hufflepuff # Values of Counter for f in counter. MECH. covering 66 listings. The advantages and limitations of traditional and emerging ToM methodologies are discussed with the intent of advancing the understanding of ToM in socially mediated situations. The main advantage of a Woodruff key is in its avoidance of the milling of a keyway near the shaft shoulders, where stress concentration already exists. FAQs about Woodruff Keys. The advantages of. All Pick Up in Store Ship to Home Sort By: Compare. Zijn doel is te voorkomen De versnelling or pulley from rotating on the shaft. $31. Woodruff Key-The woodruff key is a key that can be adjusted simply. The feather key, shown below, allow the hub to slide over it (T orF) This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. 5-7. Woodruff Key. 8. 50. They are also often used on tapered shafts. Woodruff Machine Key 1/4" x 2-1/8" Alloy Steel Plain Key Number: 817-1. A diversified portfolio lowers the risk of a total loss. Material, heat treatment, hardness or finish is not within the scope of this standard. woodruff: [noun] any of a genus (Asperula) of Old World herbs of the madder family. Feather key. Firstly, Woodruff keys provide a compact and efficient means of connecting rotating components to shafts without the need for additional fasteners or complex mechanisms. Woodruff keys measure 3/16 in. Class diagrams are the main building blocks of every object-oriented method. thru 3/4 in. Lower prices. Woodruff keys are used on shafts from ¼” diameter to 2-1/2” diameter. 1 - 18 of 18 results for Woodruff Key Compare Refine. Sweet woodruff can also be taken to strengthen weak veins as well as to enhance normal blood circulation. These keys are easy to remove and simple to use. RE: Woodruff Key - 91? Flexmaster (Mechanical) (OP) 4 Feb 03 16:53. 5mm x 2. Firstly, Woodruff keys provide a compact and efficient means of connecting rotating components to shafts without the need for additional fasteners or complex mechanisms. Using Net Present Value makes sense for investors because it doesn’t assume that cash flows will automatically go into the Internal Rate of Return. My solution was to drill the shaft at the key way position to accommodate a shear bolt. The Engine Crankshaft Woodruff Key is a small but crucial component in an engine’s crankshaft assembly. It is a piece from a cylindrical disc generally of a semi-circle cross-section. The width to thickness ratio of a key is different. 1 percent more likely to produce a novel paper and 14. These pockets can be set by a cutter to set the dimensions. These keys have a rounded shape that makes them easy to remove when parts need to be taken apart frequently. This key has flat bottom and semi circular shape. But the use of the woodruff keys is generally for shafts that have diameters smaller than 2. 2 a What is the main disadvantage of using a woodruff key on a parallel sided from MECH 2400 at The University of Sydney. of connecting components to a shaft, allowing for and reassembly without damaging. . They have the advantage that their keyways may be drilled and reamed after the mating parts have been assembled. Woodruff keys are semi-circular discs used to connect machine parts to rotating shafts and spindles. 79. ostrow armed services vocational aptitude batteryDES has both a 64-bit block and key size, but in practice, the key only grants 56-bits of security. Work Shop Buddy Machinery Key Metric Grab Kit (3 x 20mm - 6 x 40mm), 6. Woodruff key definition: . Employee Benefits. Bolts are easily replaced without damage to the mating parts. Lower portion of the key fits into the circular keyway of the shaft. x 1/4 in. The woodruff key fits in a half-moon shaped slot, in a shaft, leaving the flat side of the tab exposed. If the key doesn't budge try holding the punch at right angle to the shaft. We have researched hundreds of brands and picked the top brands of engine woodruff keys, including boeray, Nisorpa, Glarks, Performance Tool, HaSaoMoi. Journal of the Academy of Marketing Science. 01384 634461. It's certainly necessary on a non-tapered shaft. It can tilt and align itself according to the shaft The Woodruff key has some advantages over other types of keys. Use them in light duty applications to connect gears and other components to shafts. Standard Woodruff key Profiles for shafts with Woodruff keyways. Technical Drawing. Shearing of the Woodruff key can result in engine malfunction. We Also Offer Woodruff Key Assortments for Shops, Garages, & Fleets. Imperial - 1/6" x 1/4" - 3/4" x 3. The key, a new Ford item with the correct part number, is about 0. Add to Cart . UUIDDo the woodruff keys we use on the crankshafts do anything other than serve as an alignment tool for the ignition? Basically I want to know if it actually holds it in line, or if the pressure of the flywheel bolt, and the fit of the flywheel on the crankshaft is what actually keeps it from spinning on the crankshaft. Firstly, Woodruff keys provide a compact and efficient means of connecting rotating components to shafts without the need for additional fasteners or complex mechanisms. asvab 18th edition scott a. Pages 10. The more exact fit of the key and keyway also reduces play, and stress concentrations in, and improves theThe main advantage of the Woodruff key is the elimination of milling near shaft shoulders, where stress concentrations and concentricity would be affected. Related Read: Involute Splines- Definition, Types, Materials Selection and Applications 6. The main advantage of the Woodruff key is that it eliminates milling a keyway near shaft shoulders, which already have stress concentrations. 6. 2. The key is in the shape of a section of a circle. covering 66 listings. Each Nisorpa woodruff key set includes 8 kinds of size and each size has 10 keys which can absolutely meet your needs. How does SDN support edge computing? A software-defined network can integrate any stretch of cable anywhere in the world into your home network. ANSI woodruff size charts express measurements in inches and nominal key sizes with higher numbers corresponding to bigger keys. Reps and warranties insurance is essentially breach of contract cover designed to enhance or replace the indemnification given by the seller to the buyer. , Length-5/8(. The main advantage of the Woodruff key is the elimination of milling near shaft shoulders, where stress concentrations and concentricity would be affected. Real estate investors realize different benefits based on risk tolerance, the amount invested and their investment strategy. A mixed-gender team of six or more researchers was 9. Woodruff Key. Using Woodruff keys offers several advantages in various applications. It. Let’s dive deeper into the definition, purpose, role, and advantages of using a Woodruff key in a crankshaft. Woodruff key is a sunk key in the form of almost semi circular disc of uniform thickness. overall culture is rated C- based on 84 ratings from 9 Woodruff-Sawyer & Co. Length. Woodruff key is a semi-circular disc & fits into circulars recess in the shaft, which is machined by Woodruffs keyway cutter. Woodruff key is a type of sunk key. Woodruff keys are also specified in applications where a milled square key would be cut up to a shoulder on the shaft, so as not to cause a weak point in the stress. 24. Cyber risk is more prominent than ever—and insuring cyber risk is getting more complex. These keys have a rounded shape that makes them easy to remove when parts need to be taken apart frequently, such as for maintenance or prototyping. Figure 15. The Hillman Woodruff Key is a semi-circular keys that is commonly used for mechanical applications. Global Reach. A feather key is a parallel key, which is fixed to the shaft or to the hub and which permits relative axial movement between them. The keyway in the shaft is a semi-circular pocket; the mating part is a longitudinal slot. The thickness of the key is uniform. Μετάβαση στο περιεχόμενο Securing a belt pulley to a drive shaft often seems like such a routine task, that engineers and mechanics can easily overlook some of the selection and installation factors required. Return Policy. This keyway in the hub is made in the usual manner. 28 ERA and a 0. Briggs and Stratton use a straight aluminum key in a tapered shaft on the flywheel. This gives an interference of just over 0. Designation of a Woodruff key of width b 8 and height b 11 n: woodruff key 8 x 11 6888 Cross—section of Width b h9 Woodruff key (Half— round steel Ing to DIN Height h 10 13 32 - 0. Never use a too small a key. The woodruff key is an easily adjustable key. Woodruff keys are relatively short and cannot carry the same load as longer keys, and hence are used mostly in light-duty applications and mounting taper-bored components onto tapered shaft ends. Log in Join. 3/16 in. The main advantage of the Woodruff key is the elimination of milling near shaft shoulders, where stress concentrations, [2] and concentricity would be affected. In addition, only 45% of 8th-grade students are proficient in math, a key gatekeeper to high school. Arrow functions were introduced in the ES6 version. The woodruff key fits in a half-moon shaped slot, in a shaft, leaving the flat side of the tab exposed. Woodruff keys are ideal for stopping components from moving freely on a shaft or spindle. Choose from our selection of woodruff keys, high-profile woodruff keys, woodruff key assortments, and more. 17. Woodruff keyseat cutters are circular cutting tools made of high-speed steel, used by machinists for cutting seating in shafts for woodruff keys and, in some cases, keyways in fitting parts. The keyway has a semicircular shape, and the key has a matching shape that allows it to be easily inserted and removed from the keyway. So how old a machinist handbook would I need to find it?Using Woodruff keys offers several advantages in various applications. Type. FIDO2 provides the option of using two-factor authentication, in which the usual username password login is supplemented by an encryption with FIDO2 keys as well as an additional FIDO2 token (hardware), or a completely password-free authentication. This keyway in the hub is made in the usual manner. B-tree provides. It is made of carbon steel and measures 3/4 x 5/32 inches. What are the advantages of using Woodruff keys? Using Woodruff keys offers several advantages in various applications. These woodruff keys are part of the Hillman Deep Drawer program. Imperial - 1/6" x 1/4" - 3/4" x 3. The purpose is for sudden stoppage. The advantage: Properly installed, it is captive and cannot walk out of the shaft. 607) In. Firstly, Woodruff keys provide a compact and efficient means of connecting rotating components to shafts without the need for additional fasteners or complex mechanisms. Type. It saves your cost incurred on time, resources, and manpower. What is a woodruff key? The 1/4 X 14 x2 key had sheared, and distorted the shaft and drive coupling bore so as to make disassembly a bear. The key is then tightly fitted between the keyway and the keyseat, hence the mechanism is called a keyed joint. 2. Woodruff keys, sometimes called Half-Moon Keys, are semicircular shaped keys, such that, when installed into a semi-circular pocket keyway in a shaft, they leave a protruding tab. Firstly, Woodruff keys provide a compact and efficient means of connecting rotating components to shafts without the need for additional fasteners or complex mechanisms. Feather key; Woodruff key. They also serve as a failsafe, preventing expensive parts from shearing under extreme loads. Add to Cart. Breaking strain 60kg/mm2. The keyway is a semi-circular pocket set into the shaft. Steel construction. The advantages of Woodruff Keys over Parallel Keys are: They eliminate the milling near shaft shoulders which reduces stress concentrations and makes it easier to. What are the advantages of using Woodruff keys? Using Woodruff keys offers several advantages in various applications. Since woodruff keys are made to tight tolerances, they often require a press-fit. My understanding is that one advantage of a Woodruff key is that it avoids a stress concentration in a shaft. Joined Feb 25, 2013 Messages 43 Location Virginia. Using Woodruff keys offers several advantages in various applications. The purpose is for sudden stoppage. Rectangular Sunk Key-It has a rectangular cross-section. These semicircular keys when set in place leave a flat end protruding. The main advantage of a Woodruff key is in its avoidance of the milling of a keyway near the shaft shoulders, where stress concentration already exists. The shaft might be conical or identical, revealing the approach of dimensioning shafts for the Woodruff trick where the midsts of the recess from the beyond the shaft are provided, along with the size of the. Databases should have an efficient way to store, read, and modify data. 2005 X5. The radical increase in the number of people working from home (WFH) during 2020 has been one of the effects of the coronavirus (COVID-19) pandemic [1,2]. Easy to Install. Premack and Woodruff, 1978; Baron-Cohen. [1] The latter is particularly important for high speed operation. Software-Defined Networking FAQs. . Woodruff Key The woodruff key is an easily adjustable key. Some of the advantages of woodruff keys are as follows, Woodruff keys are used to reduces the stress concentration and improves the safety of the shaft. Mar 13, 2015 #1 Does anyone know of a source for offset 2x3. Dorman offers a comprehensive line of Woodruff Keys for a wide range of applications. Set screws and pins can also work as an alternative to the keyed joint. Woodruff Keys. It can be caused by excessive torque, misalignment, or wear and tear. Material:. 6 more likely to produce a highly cited paper than a same-gender team of the same size. Add to Cart. Firstly, Woodruff keys provide a compact and efficient means of connecting rotating components to shafts without the need for additional fasteners or complex mechanisms. Woodruff key: The woodruff key is an easily adjustable key. Also suitable for a broad variety of industrial and commercial uses. During medieval times, religious leaders would often adorn their churches with the fragrant perennial herb. 7 Woodruff Key10PCS 2. Size. Shop Woodruff Keys Assortment Kit, 135 PCs Steel Flywheel Pulley Crank Way Keys of Various Sizes with Storage Box. PGP uses the. To DIN 6888. Woodruff key; Saddle Key. Full Radius woodruff key; Flat Bottom Woodruff Key; Hi-Pro Keys; Advantages of Woodruff Keys. Advantages of woodruff key : It can be used on the tapered shaft because it can align by slight rotation in the seat. Firstly, Woodruff keys provide a compact and efficient means of connecting rotating components to shafts without the need for additional fasteners or complex mechanisms. Woodruff keys eliminate the need to mill holes near shaft shoulders. A Woodruff Key is a halfmoon shaped machine key that prevents gears, hubs, or other components from moving independently of a rotating shaft or spindle. Follow the instructions step by step, you may do this without difficulty. 7. Firstly, Woodruff keys provide a compact and efficient means of connecting rotating components to shafts without the need for additional fasteners or complex mechanisms. Profile. Online prices are typically lower than traditional store prices, and e-commerce sites are able to offer more discounts and promotions that are easier to claim. Working Principal of Woodruff Key. The main advantages of a woodruff key are as follows : 1. Woodruff key:- use in a tapered shaft in machine tools and automobiles. Your account / Purchase orders. A more precise fit between the key and the keyway also reduces play and stress concentrations and makes the key more reliable. Total views 100+ The University of Sydney. When installed, the long, flat side of the woodruff key shaft protrudes from the receiving shaft. 3mm X 17mm. 21 by U. Once installed, the gear or other machining component with the proper. They are installed deep in a shaft and firmly embedded. Some say the best advice for newcomers to recovery on how to stay sober is simple: "Don't drink or use, and go to meetings. Je a small, half-moon-shaped metal key to zapadá do slot on the crankshaft and aligns with a corresponding slot on the timing gear or pulley. zThe key width is nominally ¼ of the shaft diameter. This streamlined design allows for easier assembly, disassembly, and maintenance of the machinery or engine. Woodruff keys ( source: IndiaMART) The advantage of the Woodruff key is that it can accommodate any taper in the hub keyway, and its captive and depth. No lists. And it was mentioned that it should be. zThe most common types of keys are the square and rectangular parallel keys. . Top Benefits of Digital Marketing 1. These keys have a rounded shape that makes them easy to remove when parts need to be taken apart frequently. These stems spread out horizontally over the ground and can root where they come in contact with the soil. Woodruff Key Set, Metal Woodruff Keys Assortment Kit, Different Sizes Fasteners for Mechanical Industry 80-Piece $12. And, for the first time in at least seven years, the undergraduate class also includes three Martin Luther King Jr. Woodruff. This hub is capable of accommodating any taper in the keyway, 3. 49 135Pcs Woodruff Key Assortment Kit, Half Moon Gear Shaft Drive Semicircular Flywheel Key. It accommodates itself to any taper in the hub or boss of the mating piece. a) PSinθ (Sinθ+Cosθ)/hl. 3 Feather Key. 2)The key does not permit axial movement between the shaft and the hub. In short, once the ink has dried on the merger or acquisition deal, R&W insurance covers some of the unforeseen costs caused by any breaches of the seller’s representations, whether it’s. The reality, as I understand it, is that they are used in applications where there is some value in having a keying mechanism that does not bring the slot to the end of the shaft. Doing so is what over time causes a bike to run poorly and not have a definitive reason (other than a mish-mash of parts). For a key to function, there must be a keyway on the shaft and a keyseat on the rotating machine element. 2 a what is the main disadvantage of using a woodruff. The Woodruff key is simple and easily adjustable. The key is in the shape of a section of a circle. Style. x 1/4 in. Keyway is a recess in the shaft and hub to accommodate the shaft key. Indexing in Databases – Set 1. For your convenience, parts from this product range can also be found in our PDF catalogue: Keysteel Parts from the. You could get fancy and use other tools too. This streamlined design allows for easier assembly, disassembly, and maintenance of the machinery or engine. The woodruff key fits in a half-moon shaped slot, in a shaft, leaving the flat side of the tab exposed. While both approaches have their benefits and drawbacks, the best option depends on the specific use case and the goals of the system. Woodruff keys. Using Woodruff keys offers several advantages in various applications. 7 X 10 WOODRUFF KEY Carbon Steel DIN6888 Woodruff Keys Woodruff Keys, DIN6888,Carbon Steel C45+C,BS4235 Part 2 1977, ISO 3912 - 1977 - Woodruff Key Assortments AvailableC3 Tech/Performance - Woodruff key - Would take a book to explain why, but I just had to replace the power steering pump pulley In my '74. • Woodruff key. That way, a primary key value can uniquely identify each row. The lower costs of running an e-commerce store versus a physical store translate to cost savings for the consumer. The main advantage of the Woodruff key is the elimination of milling near shaft shoulders, where stress concentrations, [4] and concentricity would be affected. Standard Woodruff key Profiles for shafts with Woodruff keyways. For example, Woodruff explains that if a runner has tight quads, she would stretch the quads and the hip flexors, rather than solely focusing on the quads. The fundamental advantage of woodruff keys is that they do not require machining at the shaft shoulders, which reduces stress concentrations at the shaft's end. 316 stainless steel keys have excellent chemical and corrosion resistance. Saddle Key Types, Uses, Advantages, Disadvantages In the realm of mechanical engineering, the saddle key stands out as a crucial component, offering innovative solutions for various applications. Woodruff keys are semi-circular components that can withstand great strain. 1. If you have room to do it, try a pin punch of the closest size to the width of key, first holding the punch parallel to the shaft and on the end of the key, tapping with a small hammer. Style. The more exact fit of the key and keyway also reduces play, and. Firstly, Woodruff keys provide a compact and efficient means of connecting rotating components to shafts without the need for additional fasteners or complex mechanisms. it will roll riht out. Woodruff key is essential for operating high speed. Part #: W5341 Line: PFM. As someone who has used these keys extensively, I understand the importance of finding the right one for your needs. 5x10x3. Firstly, Woodruff keys provide a compact and efficient means of connecting rotating components to shafts without the need for additional fasteners or complex mechanisms. However, Woodruff Keys are difficult to install. A simple mechanical part can reduce manufacturing costs and machine downtime. Woodruff keys are ideal for securing wheels or pulleys to a spindle ; Woodruff keys eliminate the need to mill holes near shaft shoulders ; A second bar, that slides over the shaft, has a slot in it to accommodate the key ; Variants run 1/16" thru 5/16" in thickness ; Made of high-strength steel with a plain finish › See more product detailsDescription. 3. Crankshaft Woodruff Key Shearing is a common issue that can occur in engines. 236) In. A woodruff key is capable of tilting in a recess milled out in the shaft by a cutter having the same curvature as the disc from which the key is made. Besides, sweet woodruff can be added to medicines to boost their taste and flavor. What are the advantages of woodruff keys? Woodruff key stocks may be used over key slots of tapered shafts as they can get aligned via slight rotation in their seat. Part #: W5341 Line: PFM. Parallel keys. Woodruff keys are commonly used in machine tools and, for example, between the flywheel and the crankshaft of a small internal-combustion. Place a pry bar or a large screwdriver behind the pulley, if there is a surface behind it to use as leverage. Tax benefits Although some corporations, like C corporations (C-corps), are subject to double taxation, other corporation structures, such as S corporations (S-corps), may give you tax benefits. If you have questions about these feel free to give us a call on +44 (0)1384 634461. Square Keys #3. Using Woodruff keys offers several advantages in various applications. It is in the part number. It is also believed to have properties. They make our code more structured and readable. 7139. It combines features of private and public key cryptography. The main advantages of a woodruff key are as follows : 1. Also known as half moon keys. The projecting part of the woodruff key fits. They are adjustable and can tilt in key seat or keyway. Using Woodruff keys offers several advantages in various applications. Maybe needlenose pliers to help install the new one. The material may be magnetic. e. covering 66 listings. Posts. Woodruff keys work well near shaft shoulders and on tapered shafts. 5mm x 2. It is designed to fit into a circular recess in a shaft, which is created using a. It is the underlying. The woodruff key fits in a half-moon shaped slot, in a shaft, leaving the flat side of the tab exposed. These keys are easy to remove and simple to use. [3] The latter is particularly important for high speed operation. But the extra depth of keyway in the shaft increases stress concentration. This streamlined design allows for easier assembly, disassembly, and maintenance of the machinery or engine. Have a couple of questions: Why is there a Woodruff key instead of an ordinary key? and: Why is the key too wide for the pulley but fits fine in the shaft? Thanks in advance and. The key seat in the crank seems to be a few tenths under 0. These woodruff keys are part of the Hillman Deep Drawer program. Advantages of Woodruff key. Even though the redundancy of the Second Normal Form is less as compared to the First Normal Form, it is still possible to have update anomalies. We also supply key steel in either 300mm or 1000mm lengths in C45k material and 316 (A4) stainless steel. then the top of the key gets rotated out. These Woodruff keys are integrated in a box,portable and convenient to access and store. They serve to stop gears or other machine parts from moving independently from the rotating shaft and are often installed into the recessed key seats cut into the said shafts. Woodruff key; I. Woodruff key. It affects how we think, feel, act, make choices, and relate to others. Dan Burke Senior Vice President, National Cyber Practice Leader Editor, Cyber Notebook. One of the advantages of a woodruff key in particular is that the keyway can be easily cut in a tapered shaft whereas a straight keyway cannot be as conveniently cut. Il suo scopo è prevenire l'ingranaggio or pulley from rotating on the shaft. Spread the loveWoodruff Keys are an alternative to Parallel Keys. Woodruff can be dried and stored in clothing, linens and bedding in order to wade off insects and moths. This key is largely used in Some of the advantages of woodruff keys are as follows, Woodruff keys are used to reduces the stress concentration and improves the safety of the shaft. Due to the aromatic smell of the sweet woodruff, this flowers and leaves are used as fragrance for homes, offices etc. The key becomes finding the right solution to address the evolving needs of your workforce. 3,283. Add to Cart. whack the bottom of the key horizontally. Dorman HELP! Woodruff Key -. The Woodruff key is a small, semicircular metal piece that fits into a slot on Crankshaft Woodruff Key Shearing is a common issue that can occur in engines. Woodruff keys are semi-circular components that can withstand great strain. Woodruff Keys: Definition, Types, Uses, Sizes, Operation, Material, Working, Applications, Advantages & Disadvantages :-Woodruff can be defined as a semi circular of half moon shaped, partly fitting in a circular segment keyway and remainder in the longitudinal slot of the keyway (woodruff keyway are semi circular pocket which is drawn in shaft for the placement of woodruff key) in mating part. Request No Charge Material Cert. You can buy the Woodruff key at Sears but 65691 is no longer available. x 3 1/2 in. culture, see what work's like, read reviews, and find job opportunities. Advantages of woodruff key : It can be used on the tapered shaft because it can align by slight rotation in the seat. Steel with a tensile strength of 590 N/mm is. Material, heat treatment, hardness or finish is not within the scope of this standard. Woodruff key is essential for. Woodruff key is one of the most famous, semi circular shaft key which is used to attach gear, pully, hubs, wheels or other component to rotating shaft. Semicircular Woodruff keys insert into a curved slot in the shaft. 1 1967 for a. The Woodruff Scholar program covers the full cost of tuition, room, board and mandatory fees for four years of undergraduate education. Shearing of the Woodruff key can result in engine malfunction. Woodruff keys measure 1/4 in. This key has flat bottom. These keys come in many of sizes be it metric or imperial profiles. Shop for Woodruff Keys in Fasteners. The key is new and pulley not worn. Woodruff keys measure 1/8 in. Manufactured of steel with a. 3″ Long x 1/4″ Wide, Carbon Steel. Using Woodruff keys offers several advantages in various applications. 8373 posts · Joined 2006. thick x 1-1/8 in. Woodruff Keys: The woodruff key is so called because of its manufacturing method. Crankshaft keys (also called Woodruff Keys) are semicircular shaped, removable keys that fit into matching keyways cut into the crankshaft leaving protruding tabs. In fact, RWI is used in an estimated 75% of private equity transactions and 64% of larger strategic acquisitions.