Title: Microsoft PowerPoint - 01_ShaftThe shaft and spinning machine component must have a keyway and a keyseat, which are slots and pockets where the key fits, for a key to work. 88 Lecture1: Design of Shaft 33. There are tables for this in "Machinery's Handbook". Metric module, side fit. Inch (ANSI/AGMA 9002-B4) Metric (ISO/R773) corresponding keyways for Metric shafts are listed below in Table 2. 250"+. The saddle keys are classified into two types, they are. Flat saddle keys. British Standard :BS 46 Part 1 : 1958 Keys and keyways and taper pins. The shaft is made from AISI 1020 cold-drawn steel. 000 / -0. 5 Power rating Power ratings of shafts are presented in Tables 2-7. 5 times the shaft diameter to ensure a good load distribution over the entire key length when the shaft becomes twisted when loaded in torsion. A further disadvantage to shaft keys in a world of increasingly compact motion components is the reduction in the torque density of the shaft and its respective locking element. powerhound (Mechanical) 10 Mar 08 23:14. Shaft Keyway Shear and Yield Strength Formulae and Calculator. All keyed Shafting is guaranteed to fit on a bearing, and the ends can. These keys have a tapered body that wedges in to the keyway for a more secure fit than standard machine keys. 90. Reactions: graham-xrf. To help, we’ve put together the following keyway cheat sheet for. Because this key stock is slightly larger than standard key stock, keys will fit tightly in worn keyways. 002 −0 Hub keyway w −0 Shaft keyseat h +0. We can provide keyed shafts in any length up to 20 foot. 000. Although similar in principle to BS 46-1, for inch. Nearly every shaft diameter has a corresponding standard keyway width and depth – this calculator helps you find it. Keyway misumiKey and keyway dimensions (control in motion) Keyway sizing chartMetric key keyway dimensions. Only informative sections of standards are publicly available. 1(h/d) where e = Shaft strength factor. 010 / -. 14. Whereas the P9 tolerance is a press fit tolerance. The keyway would be located 180 deg. However, the keyway width recommended for the same standard is 6. 3. RoyMech Resources Keyways Taper Metric Key and Keyway Dimensions These Pages include various standards. With the optional shim kit, you can cut keyways or slots in shafts as small as 0. You can measure the taper bore of a propeller with digital vernier calipers. +35 0. The code also applies a factor of 0. 25 is a group of 3 standards: B18. Overall length 5’’. As noted above, when selecting a keyway tolerance, there are two common selections in the metric system. 477 Maximum 2. This standard presents inch dimensions, tolerances, and sizes for straight bores, tapered bores, single keys and keyways for unmounted industrial flexible couplings. It might be worth roughing the keyway underwidth by 1/16" and then profile cut both sides with a nice sharp carbide to straighten it up. Here, a case study taken on ball mill shaft keyway for investigation of stress concentration factor. For special purposes, stainless steel shafts usually of steel designation 304 or 316 shall be used. 2 0. COMPACT & POWERFULThese explain the sizes and dimensions required by different keyway families according to different manufacturers, and the charts are used in the making of keyways to ensure correct sizing. 010. - Series F couplings supplied with 4) All dimensions per AGMA 9002-A86Standard keyway sizes chartStandard keyway dimensions Metric key keyway dimensions per iso/r773. ISO/TC 14. The sizes and tolerances contained in this Standard are intended for single key applications only. 6. The advantage of the Js9 tolerance is that the key can beKeys shaft rectangular types key chart hub designs tapered machine selection5/8" od keyed shafting with a 3/16" full keyway Metric key keyway dimensions per iso/rtt3 js9 widthMetric key keyway dimensions. Stress fields and corresponding torsional-fatigue cracks in shafts with keyways or splines are shown in Figure 2-22. 2 TECHNICAL INFORMATION Imperial Standards BS 46: Part 1: 1958 1/4 1/2 1/8 x 1/8Install them in keyways to transmit torque from shafts to gears and other components. To view the full content, you will. Straight Sided Spline Dimensions. The first is Js9. 414 Maximum 2. b x h 1 x D. 1265 0. 2 MATHEMATICAL FORMULATION AND FE The torsional moment is given by M t~GJ w l ð1Þ Fig. Keyway dimension Reference; b h C l Basic dimen sion of b 1 and b 2 Sliding type Normal type Fastening type r 1 and r 2 Basic dimen sion of t 1 Basic dimen sion of t 2 Allow ance t 1 and t 2 Compliant shaft diameter d; Basic Dimen sion Allow ance (h9) Basic Dimen sion Allowance b 1 b 2 b 1 b 2 b 1 and b 2; Allow ance (H9) Allow ance (D10). Tapered Gib Keys. Keyway shaft roymech tolerance Straight-sided splines for cylindrical shafts with internal centering — Dimensions, tolerances and verification. 5 SHAPE, DIMENSIONS AND TOLERANCES OF KEYWAYS 8 -4 X Sect ion X-X Detail A Vaiues in millimetres Shaft Keyl ) Keyway Diameter d Width b Depth*) Sect ion bXh Radius r Tolerante for class fit Free Normal Close Shaft tl Shaft Hub Hub and hub H9 DIO IV9 Js9 P9 nom. Tapered Gib Keys. Old JIS (Class 2) Standards Unit [mm] Hole diameter b2 t2 Key size b×h; Standard size Tolerance(E9. Keyway dimensionsKeyway sizing chart Metric stepper motor shafts size data tableMetric key keyway dimensions per iso/rtt3 js9 width. 1 . Stocked in: Steel; Stainless Steel; Specifications. 4. The entire setup is referred to as a keyed joint. A Shaft key is a piece of metal used to connect a rotating machine element to the shaft. In stock and ready to ship. --Satyanarayan Gangaram Pitroda Addeddate 2013-09-10 07:34:16Standard Calculator Bore Size. Specifications Met. 004, then the shaft keyway should be 0. The advantage of the Js9 tolerance is that the key can be Keys shaft rectangular types key chart hub designs tapered machine selection5/8" od keyed shafting with a 3/16" full keyway Metric key keyway dimensions per iso/rtt3 js9 widthMetric key keyway dimensions. There are five main types of shaft keys: sunk, saddle, tangent, round, and spline Sunk Keys Rectangular & square keys. 5 in (170 mm). by Crystal Bemis on August 1, 2022. Machines shaft’s standard sizes are up to 25 mm with 5 mm step. Metric key keyway shaft standard keyways falk keys bores resources industrial Shaft key standard sizes rectangular gates keys diameters most non std readily available3 ways to convert within metric measurements Metric convert measurement measurements conversions easy way within units ways unit decimal number use. Shaft (Arbor) Keyway Dimension Size Data -. pdf Gates belts, hoses, and applications: standard & non-standard. 9. Nominal Bore Diameter Clearance Bore Interference Bore Keyway “T”-DIM +0. Undersized Machine Key Assortments. While a designer is free to specify any. 5 in (170 mm). Keyway dimensionsMetric key keyway dimensions per iso/rtt3 js9 width Inch keyway chart ansi agma shaft key width b4 dimensions diameter nominal reference motor electricKeys keyway metric standard keyways sizes engineering shaft key parallel square fit fits mechanical data rectangular british limits figure. DIN 6885-1 :- Key, Hub Keyway, Shaft Keyway Details and Dimensions. . Standard Metric Keys Keyways for Metric Bores with One Key Keyway Cutter Hole Keyway Dimensional Data for MIlling Centers and Arbors - ANSI/ASME B94. 5020 2. To view the full content, you will. Shaft and hub keyway dimensionsKeyways shaft keyway coupling shafts drive apart rotate two installing should asked driver question common am if when. The table above shows the dimension of the keyway / keyseat for each available hub bore diameter. Standard keyway dimensionsStandard shaft sizes key bushing table qd non bore keys shallow range gates includes specific each also Keyway chartShaft and hub keyway dimensions. 219 (c) (5) (i) The basement, tower, or room occupied by transmission equipment is locked against unauthorized entrance. In Figure 2-22 a, the fillet in one corner of the keyway was radiused. constitute provisions of this Standard: PAES 305:2000, Keys and Keyways for Agricultural Machines 3 Application Spur gears are used to connect parallel shafts and have teeth formed in cylindrical blanks parallel to the shaft axis. 1BS 4235-2:1977, ISO 3912-1977: Specification for metric keys and keyways - Woodruff keys and keyways. rad 10 12 4 4 2. Keyway Width ( w ) Over 1/2" to and including 1" +0. The height of inch keys decreases by 1/8" for every 12" of length. Cutting an internal keyway can be a challenging task, but with the right method and tools, it can be done with precision and efficiency. Shallow keyway depths must exceed 2/3 of the full keyway depth of the square keys shown above. Keyway metric key iso dimensions standard keyways keys r773 pdf bores shaft hub depth diameter standards engineering table. This material is precision ground to offer tighter tolerances than standard 316. Key and keyway dimensions (control in motion) Keyway shaft coupling hole service couplings modification additional motion control tapered parallel Keyway chart Standard shaft sizes key bushi. A standard broached key-way is used in the mounted component. The key should fit snuggly in the keyway with minimal side Standard keys should be the same length or slightly longer than the keyway in the hub. . Re-design the shaft shown below to be a uniform,Keyway chart Shaft standard key sizes rectangular gates keys diameters most. Variations of machine keys include parallel keys, tapered keys, Woodruff keys, hi-pro keys, and non-rok keys. 5020 2. Install them in keyways to transmit torque from shafts to gears and other components. . Unused keyways shall be filled up or covered. If a setscrew is required, drill and tap over keyway as shown in Figure 3. The strength in torsion, of shafts made of ductile materials are usually calculated on the basis of the maximum shear theory. 3) Keyway fillet radius to be specified by customer. d. For a key to function, there must be a keyway on the shaft and a keyseat on the rotating machine element. Tapered Gib Keys. keyways in the shaft members than to keyways in coupling hub bores. Shaft Diameter. DIN Standard. ANSI B17. Shaft Adapters are designed to modify, extend or repair an existing shaft and provide a fully machineable male output shaft with minimum effort and expense. AUTOMATION & IIOT. It other words, the torsional strength of the shaft is reduced. Potential clearance will be between +0. exceptions are indicated on the respective standard sheet. Shaft with Two Keyways Torque Applied Deformation and Stress Equations and Calculator. Keys shaft rectangular types key chart hub designs tapered machine selectionStandard keyway size chart Metric woodruff keys are supplied to din 6888 / iso 3912 in c45k. INTRODUCTION — The general practice in industry is to supply coupling hubs without fillet radii in the keyway corners to permit the use of standard commercial keys instead of keys with chamfered. 3) Keyway fillet radius to be specified by customer. Slightly. The key length should be less than about 1. com The bottom of the key is shaped to fit the curved surface of the shaft. This specification includes index tolerances for multiple keyways. Tapered Gib Keys. the overhang distance at the nut end so the prop tightens on the taper. International Standard ISO 3117 was developed by Technical Committee ISO/TC 14, Shafts for machinery and accessories, and was circulated to the member. 487 Minimum 2. 018 0RoyMech Resources Keyways BS 46 :1958 Parallel Keys and Keyway Dimensions These Pages include various standards. We can provide keyed shafts in any length up to 20 foot. MISUMI. Choose from our selection of 1 7/16" shafts in a wide range of styles and sizes. ASME Code states that for shaft made of a specified ASTM steel: Ss (allowable) = 30% of Sy but not over 18% of Sult for shafts without keyways. 062 0. Moore. Keys with greater width tolerance. The gib head makes them easy to remove when parts need to be taken apart frequently, such as for maintenance or prototyping. This specification includes index tolerances for multiple keyways. Shaft Diameter: key : Keyway (Shaft : Keyway (Hub) Keyway radius: D: Width: Height : W: H. 1 12 4 4 4 13. The Stafford Manufacturing Corp. 4 9. Undersized Key Stock Assortments. 062 0. 5: 4 +0. 5000 2. 350 Maximum 2. AUTOMATION & IIOT. 1 +0. Two PDFs with useful engineering data on keyway sizes and engineering limits and fits, just download. 5000 2. Shaft and hub keyway dimensions. All sizes are in inch units. 1 for imperial dimensions and DIN 6885 for metric dimensions. 0005 inch per inch of length for keyseat lengths. 1. Standard External Metric Thread and Fastener Sizes M 0. Choose from our selection of rectangle keys, including over 950 products in a wide range of styles and sizes. Title: keyway dimensions. d w +0. This Standard covers requirements for square and rectangular parallel keys and keyways intended for both alignment of shafts and hubs, and transmitting torque between shafts and hubs. Drive shaft Design, key and Keyways. The key prevents relative rotation between the two parts and may enable torque transmission. 0 2 2 9 10 3 1. The standard dimensioning of the keyway is like above. If your measuring from the OD of the shaft there is a formula in Machinery Handbook to add that dimension to the half size of the key but don't depend on it for the right depth to cut to. 477 Maximum 2. Keyway misumiKey and keyway dimensions (control in motion) Keyway sizing chartMetric key keyway dimensions. 1-1943 standard. If the enduser is using oversize plated keystock, then the properly centered keyway is more important. Detailed width tolerance information is best drawn from the manufacturer. Manufacturing will be based upon DIN 6885 - T1. You can specify 2X on the features of size for your keyway. Dimensions: Shaft Diameter (A): 2" Keyway Width (B): 1/2" Keyway Depth (C): 1/4" Shaft Material: 1018 Steel; Phone: (407) 347-3519 Email: [email protected] using a key it should firstly be fitted in the shaft Keyway. And the dimension is added from the bottom of the keyway to the bottom perimeter of. a) PSfrag replacements b) Figure 1: The two standard keyway ends for parallel keys. 25 mm to 60 mm – 5 mm step. 140 mm to 500 mm – 20 mm step. - Series F couplings supplied with 4) All dimensions per AGMA 9002-A86 Standard keyway sizes chartStandard keyway dimensions Metric key keyway dimensions per iso/r773. Key dimensions: Parallel keys are most commonly used. clearance fit bores with set screws. 4. 4375 1. The keys are square or rectangular. PFEIFER INDUSTRIES, LLC. O. H-M Supporter Gold Member. 1. Keyway depth is something like 2/3 to 1/1 of width. Linear motion. ** earcneaear r l c oFr Information DIN 6885 page 1 and page 2 differ mainly in the radial position of the parallel key (see sketch). What is the purpose of a keyway in construction?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. No welding required. You are here: Home > Knowledge Base > Standard Keyway Dimensions. 95 6. Another name for a Keyway is a. Machine keyway to recommended size and tolerance listed per Table 5. These keys have a tapered body that wedges in to the keyway for a more secure fit than standard machine keys. For reliable shaft connections, keyless locking devices may be the answer. Metric Standard Parallel Keyway and Key Sizes Shaft Diameter (mm) Keyway (mm) Key (mm)* From To Width (W) Depth (h) Width (W) Depth (T) 6 8 2 1. Title of Legally Binding Document: Parallel Keys and Keyways Number of Amendments: 2 Equivalence: Superceding: IS 2710 Superceded by: LEGALLY BINDING DOCUMENT Step Out From the Old to the New--Jawaharlal Nehru Invent a new India using knowledge. it is also important to go with a well-accepted industry bore standard so the. Standard Type: 20. 1 +0. The gap of the keyway is shown with tolerances again and the semi-gap is shown. So let’s discuss. He explains that for specifying keyways, it must be noted that there are very well established standards for dimensions, which can be found in Machinery’s Handbook, or ANSI B17. Keyway is not made for holes of less than 12 mm. This specification includes index tolerances for multiple keyways. A further disadvantage to shaft keys in a world of increasingly compact motion components is the reduction in the torque density of the shaft and its respective locking element. 6 in. 15. 002+0. comParallel Shaft Keys. A list of standard keyway and corresponding key sizes for English shafts are listed below in Table 1. based on the table on webpage Factors. This is measured at the wall height not the depth of the cut from first contact with the diameter. Use the set screw to further secure the key. The standard sizes of machine shafts are up to 25 mm with a 5 mm step. Height. 1 Square Keyway Tolerances Minimum 2. Shaft keyway keyways bores t2 chains wxh. Accu-Flange ™ mounting collars are machinable flange collars that feature a standard keyway with three through holes and three tapped holes and an integral clamp design and relief groove mechanism. BS 4235-2:1977, ISO 3912-1977: Specification for metric keys and keyways - Woodruff keys and keyways. A list of standard keyway and corresponding. 1/2. 2) Dimension h of the taper key names the largest height of the key, and dimension t z largest depth of the hub keyway. Key body. This standard is applicable to couplings as defined in ANSI/AGMA 9009-D02, Flexible Couplings - Nomenclature for Flexible Couplings, with metric bores and keyways. Check how the old prop fits the taper shaft and the amount of draw - i. 1. 4mm 8mm 2mm 9mm 12mm 11mm 4mm 4mm 14mm 15mm DIN 7154, H7 Metric. 18 3. Parallel keys. 219(c)(4)(i), a projecting shaft end protruding more than one-half the diameter of the shaft must be guarded by non-rotating caps or safety sleeves. Depth of keyway is measured at CENTRE. KEYSHAFT Keyed Shaft, Diameter 3/4 in, Keyway 3/16 in x 3/32 in. Many keyways are milled directly into a shaft or broached into the corresponding bored holes. 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. Metric keyways are dimensioned by width and depth as measured from the radius of the shaft to the center of the keyway. keyways in the shaft members than to keyways in coupling hub bores. If your measuring from the OD of the shaft there is a formula in Machinery Handbook to add that dimension to the half size of the key but don't depend on it for the right depth to cut to. This standard does not apply to: - couplings attached to shafts without keys, see ANSI/AGMA 9103-B08;A shaft key is a small metallic component mounted between the shaft and hub to restrict the relative motion. For a key to function, the shaft and rotating machine element must have a keyway and a keyseat, which is a slot and pocket in. Saddle keys The saddle keys are of the following two types : 1. Keyway (Hub) Radius r. 4. Re-design the shaft shown below to be a uniform,Metric woodruff keys are supplied to din 6888 / iso 3912 in c45k key All torque transmissions resourcesKeyway chart bore resources torque alltorquetransmissions. 99. all dimensions in inches. 030: 0. To use this calculator, input your Torque, Shaft Diameter and Key Length values. 75 inches (19. standard product offering consists of over 4000 shaft collars, rigid shaft couplings and specialty mechanical components. Parallel Metric Keys and Keyway Dimensions - Roy Mech. Variations of machine keys include parallel keys, tapered keys, Woodruff keys, hi-pro keys, and non-rok keys. The adaptor allows the measuring apparatus to rest on the top surface or outside diameter of the shaft so that the measuring apparatus can be used to measure the centrality of the side walls. Specification for metric keys and keyways –. 000 +0. The extra 4 inches × 3/8″ high key stock. Make sure 'lock-tight' is used on the set screw or make the screw long enough to use a nut to wedge it tight for vibration resiistance. This is according the DIN OK. 5000 2. C +0. It is a rotating member, in. Standard shaft sizes Standard shaft materials Design of shaft based on strength 8. 1 “Keys and Keyseats”. Plastic Gears and GearRacks— 14 1/2° Pressure Angle. A keyway is provided on the shaft and also on the hub or on a pulley to connect together the conjugate parts by inserting the key in between. 1 Shaft Shaft is a common and important machine element. ANSI/AGMA 9002-A86 was based upon the design criteria related to bores and keyways in coupling hubs that had evolved over many years of successful industry practice. refers to a single rounded end. This is why you remain in the best website to look the incredible ebook to have. Description: Designed for aligned shafts, the 1-Piece Clamp-Type Coupling makes two shafts function as one. All hubs supplied standard with one set screw. Mm Shaft Diameter Groove dimensions for woodruff keys DIN 6888. Woodruff keys work well near shaft shoulders and on tapered shafts. Shaft keyway keyways bores t2 chains wxh. Shaft Diameter vs Key Sizes Design Recommendations Gear Products and Suppliers | Gear Knowledge Menu Recommended ANSI Standard Keys and Keyseats Design per. The following tables show standard dimensions for keys and their grooves. Generally, the term keyseat is rarely used as keyway is referred to both recesses in the industry (Figure 2). ANSI B18. Clean and degrease the shaft. f7 (shaft) tolerance range = −0. Coupling Diameter: 6. Install them in keyways to transmit torque from shafts to gears and other components. BS 5686:1986, ISO 14-1982: Specification for straight-sided splines for cylindrical shafts: metric nominal dimensions, tolerances and gauging requirements. Flat Key Square Key Woodruff Key . 1. 000. In general, also, we use this type in low-speed applications. comShaft end diameter 180mm. Keyway metric key dimensions standard keyways keys bores shaft hub depth iso diameter engineering table edge width millimetersWoodruff ansi fasteners nominal Woodruff ansi metric keyway fasteners nominalParallel dimensions metric keyway key keys 1972. 4 3 3 11 12 4 1. 1 1. Rectangular-faced keys are used for larger shaft diameters and square keys are used for shafts smaller than 6. Standard and metric keyway broachesTable aii-12. Keyway Cutter Hole Keyway Dimensional Data for MIlling Centers and Arbors - ANSI/ASME B94. It is, therefore, keyways are required both on the shaft as well as on the hub of the mating element. B. Taper keys with or without gib head and their corresponding keyways. 2-Piece Clamp-Type Shaft Collars with Keyways are for use on standard round shafts, hard or soft, as well as on thin wall tube or over a split hub. all dimensions in inches. Use the middle of the shaft with bearings and other round-bore components. 424 Minimum 2. G&G Manufacturing Company 4432 McKinley Street P. 039. Step Machine Key Stock. They can be completely disassembled and placed anywhere on a shaft. All dimensions are in inches. 1 The two standard keyway ends for parallel keys. Woodruff Key Assortments. The value of standard shaft diameter is 66 mm. 1) of the diameter of the shaft. TruKey® Shafting from Keystone is designed to provide the straightest, most accurate keyed shafting, in the industry. Unless otherwise specified, the shaft keyway is assumed to be standard. Plug-In Shafts for Flexible-MountRight-Angle Speed Reducers. S. A key is a machine element that is used to join a rotating machine element to a shaft. When a keyway is damaged, cut a new, wider one. 6 6. In reply to #10. 112 MPa for shafts without allowance for keyways; 84 MPa for shafts with allowance for keyways; The most commonly used material for developing power-transmission shafts are Hot rolled steel bars, low-carbon steel, or an alloy (AISI/SAE 4140, 4340, and 8620). S. [14] the frozen-stress photo elastic technique has been used to determine the complete surface stress field in empty keyways of British Standard proportions for rectangular keys. ASTM Standard. . Standard and metric keyway broachesTable aii-12. potrero, Regarding the alignment of the slots, there is a "simultaneous requirements" rule in GD&T. 14 mm. To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. Carbon steel (AISI-1045) or stainless steel (T304 or T316) Custom shaft sizes and key sizes. Standard keyways run full length. . Often times you can kiss the key itself with a file to make it a nice fit. Specification. I am designing a part that has two keyways 180 degrees apart on a single large diameter shaft. To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. Or clamp the machine to a flat surface, and you can cut motor mount slots. Keyway Dimensions Key Dimensions The inch and metric dimensions here correspond to common values. Keyway metric key iso dimensions standard keyways keys r773 pdf bores shaft hub depth diameter standards engineering table edge. . A rounded bottom allows these keys to rock in their seat to relieve stress on the shaft caused by vibration or misalignment. Keys covered by this Standard have a relatively tight width tolerance. o 65. Also calculated are the overall measurements for shaft and bore, as well as the chord height. The information contained with ANSI/AGMA 9002-A86 did not necessarily agree with some commonly used specifications. 1) has a stress concentration factor of 3 [42]. 3/16" keyway is standard on less than 1" down to some dim I don't recall right now, where it steps down to a 1/8" key. The hub keyway is dimensioned by its width and depth on the shaft – keyway sides. The key length should be less than about 1. 0Rotary Shafts - One End Tapped and Keyway Grooves. Mount the adapter to the workpiece shaft using a full key in the shaft keyway and fill the half-key void in the opposite side of the adapter with a half-key (see Figure 6-22 B). com. In stock and ready to ship. Dimensions: Shaft Diameter (A): 2-15/16" Keyway Width (B): 3/4" Keyway Depth (C): 3/8" Shaft Material: 1018 Steel; Phone: (407) 347-3519 Email: sales. We stock pre keyed shafting in many diameters, including metric diameters, with standard keyways. Only informative sections of standards are publicly available. Keyway and Key Size Dimensions * Common dimension specification English Standard Keyway and Key Sizes Shaft Diameter (in) Keyway (in)* Key (in) From To Width (W) Depth (T 1) Width (W) Depth (T) 5/16 7/16 3/32 3/64 3/32 3/32 1/2 9/16 1/8 1/16 1/8 1/8 5/8 7/8 3/16 3/32 3/16 3/16 15/16 1-1/4 1/4 1/8 1/4 1/4 1-5/16 1-3/8 5/16 5/32 5/16 5/16 Standard Keyways: (Used on all of our shafting) “Plain” Shafting available on all Steel grades. 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. keyways /keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and keyways - Parallel and taper keys. A list of standard keyway and corresponding key sizes for English shafts are listed below in Table 1.