5 times the shaft diameter to ensure a good load distribution over the entire key length when the shaft. Keyway Size (W x D) No Keyway : Length thru Bore: 0. 0 ANSI woodruff size charts express measurements in inches and nominal key sizes with higher numbers corresponding to bigger keys. 46 : Part 1 : 1958 DIMENSIONS OP KEYS AND KEYWAYS POR MARINE TAILSHAPTS. Max. Imperial RectangularB. The callout contains a diameter symbol and the dimension. The following is listing of those standards: Standard Description BS4235 P Woodruff keys and keyways – same as ISO 391 BS46P1 Specifications, Keys and Keyways – obsolete CSAB232 Keys and Key seatsThe sizes range from the commonly used 1/4, 1/8, 3/16 inch to metric measurements like 3mm, 4mm, 5mm, and larger variations such as 606, 404, and 406 woodruff keys. 070 in 77. Browse L Type Hubs with Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Description ,Bore Size ,Coupling Size,Keyway Size (W x D),Length thru Bore,Outside Diameter,CADBrowse Part Number 68514413872, UFH Type with Keyway, Short Version - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Item Name,Description,Description ,Bore Size ,Hub Style,Type,Hub Size,Material,Set Screw Thr. 25 - M 1. 477 Maximum 2. As we know,The former Weights and Measures office in Seven Sisters, London (590 Seven Sisters Road). BALDOR ELECTRIC COMPANY P. This is an intuitive concept to grasp- a clearance fit specifies a fit where there will always be a gap in the joint between the mating shaft and hole. 98 mm: Spider Outside. 0625. - Lockable cabinet with. For use with F (Flex-Flex) or FFR (Flex-Rigid) couplings. 3D Printing & CAD. Also, T 1 and T 2. The key length should be less than about 1. 98 mmThe U Type is the basis for all Uniflex couplings. Dimensions shown are in Inches, if you wish to convert to mm, please use our universal converter. Wire Gauges: Wood Screw Dimensions: Imperial Tap Chart. The above equation means that the basic size is 40 mm. For example, an ANSI 202 measures 1/16 x 1/4, while ANSI 1012 measures 5/16 x 1 1/2. xxxx 0. 91 mm: Keyway Size (W x D) 3/16 x 3/32 in: Length thru Bore (Dimensions LTB1/LTB2) 0. 08 mm: Keyway Size (W x D) 3/16 x 3/32 in: Length thru Bore (Dimensions LTB1/LTB2) 0. ANSI Key No. 85 mm: Length thru Bore: 1. Depth at. 91 mm: Keyway Size (W x D) 1/4 x 1/8 in: Length thru Bore (Dimensions LTB1/LTB2) 1. 9 mm, & 1. 19-1997 ; Keyway Stresses for Non-metallic Gears and Shafts Formulas and Calculator; Shaft (Arbor) Keyway Dimensionl Data - ANSI/ASME B94. As with all functions of the Machinist's Calculator, linear values can be. 960 in 125. 3mm 5mm 5mm 5mm 5mm 6mm 6mm 6mm 8mm 8mm 22mm 24mm 16mm 17mm 19mm 20mm 25mm Keyway Width (w) 10mm 3mm 3mm 1. Each tolerance has a maximum and minimum. The shear characteristic of the coupling is very well suited to absorb impact. Fixed Center Drives. 3) Keyway fillet radius to be specified by customer. 5000 2. Allen™ wrenches are available as individual keys of a given size but are also sold in sets that contain a range of standard sizes. 0005 keyway and shaft dimensions b-7249 1 b b c d a. This all steel design ensures optimum equipment protection. Imperial Keyway Broach Set 1/8 - 3/8 Bushes 1/2"- 1-1/2" + Shims From Rdgtools £ 199 50. AWG Copper Wire Properties. 062 0. 0635 0. RoyMech Resources Keyways BS 46 :1958 Parallel Keys and Keyway Dimensions These Pages include various standards. Bore Size : 1 1/4 in: Coupling Size: 38 : Set Screw Style Coupling Size (Dimension T) 5/16-18 : Set Screw Style Coupling Location Size (Dimension SL) 0. ANSI Key No. The last two digits give the nominal diameter B in eighths of an inch and the digits preceding the last two give the nominal width W in thirty. From £39. NOMINAL SHAFT DIAMETER BOTTOM. Browse AL Type Hubs with Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Description ,Bore Size ,Coupling Size,Hub Style,Keyway Size (W x D),Length thru Bore,CAD. Engineered products . The precision SAE sizes are 0. Possesses an oval-shaped point on the end opposing the flush. Filters Suggested Categories . To add a hole callout: Click Hole Callout (Annotation toolbar), or click Insert > Annotations > Hole Callout. 200 in 55. ) Metric Sizes (mm) PART NO. Select your units as required. To broadly and briefly touch on bore and keyway standards, the North American (inch/imperial) standards tend to be more straight forward with limited variation (derived off the shaft). For use with F (Flex-Flex) or FFR (Flex-Rigid) couplings. 96 mm: Outside Diameter: 3. Keyway and Key Size Dimensions * Common dimension specification English Standard Keyway and. Ideal for applications up to 25° of angular misalignment and speeds up to 6,000 RPM. 150 in 80. “Dimensions and identification code for mounting flanges and shaft ends of displacement pumps and motors”. 7. Table 1 details the appropriate key slot and key sizes for various metric bores. keyways & keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and keyways - Parallel and taper keys1, the Metric key size is W x T. Also, T1 and T2 are not Keys and keyways. Parallel Metric Keys and Keyway Dimensions RoyMech. Square Drives for Socket Tools ASA B5. With the washer in a vice with the split ends free and directly above the vice jaws, a 90 Degree section of the free end is clutched. The inch and metric dimensions here correspond to common values. Broaches are for use in hand and hydraulic arbor presses and are great for maintenance and short-run production operations. A square key is used if the deeper key depth is required to transmit torque. clearance fit bores with set screws. shear stress key τ = F s / (L搓) MPa. SKU. Product Line Description. Square Drives for Socket Tools ASA B5. Recommended ANSI Standard Keys and Keyseats Design per. Mm Shaft Diameter Groove dimensions for woodruff keys DIN 6888. 070 in 77. 00" Custom Sizes Obtainable: 0. See Detail. You are here: Home > Knowledge Base > Standard Keyway Dimensions. Gear Products and Suppliers | Gear Knowledge Menu. Woodruff keys work well near shaft shoulders and on tapered shafts. These keys have a rounded shape that makes them easy to remove when parts need to be taken apart frequently. Bore Size : 2 3/8 in: Size: 2 1/2: Keyway Size (W x D) 5/8 in: Overall Length : Determined by Length of Mill Motor Hub: Max. Metric Imperial. All dimensions given in inches. ) Imperial Sizes (inch. Bore Size : 1 1/8 in: Coupling Size: 42 : Set Screw Style Coupling Size (Dimension T) 5/16-18 : Set Screw Style Coupling Location Size (Dimension SL) 0. Hex keys are most often encountered as a single piece of steel formed into a small L-shape, although. Boot retaining grooves are standard. For dimensions in millimeters, multiply inch values, except thread diameters, by 25. As noted above, when selecting a keyway tolerance, there are two common selections in the metric system. 5~ x. Nominal Size Square Key: Cutter Hole & Keyway. ) Imperial Sizes (inch. 05 mm:. 5 times the shaft diameter to ensure a good load distribution over the entire key length when the shaft loaded in torsion. Shaft Diameter. By the end, you’ll no longer be stuck on determining Allen wrench size for the. J Type Flanges with Keyway - Inch (Imperial) Bores S-Flex Endurance® Couplings Close Window The J Type flanges in sizes 3J and 4J are made from die cast of high strength zinc alloy (tensile strength of 41,000 psi) and are furnished bore-to-size. Browse QUICK FLEX Standard Hubs with Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Description ,Bore Size ,Coupling Size,Keyway Size (W x D),Length thru Bore,CADBrowse Part Number 68514411518, L Type Hubs with Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Item Name,Disclaimer,Description,Description ,Bore Size ,Hub Style,Coupling Type,Coupling Size,Material,. The mating key slot in the shaft is machined with an end mill cutting tool and machined to the same length as the Feather key. Home; Metric Keyways Index page; Parallel Keys and keyway Dimensions; Parallel Keys and keyway Dimensions to BS 4235-1:1972 KeyWay & Key Dimensions. The first is Js9. 186 products. 201 202 1/16 x 1/4 0. Standard Metric Keys & Keyways for Metric Bores with One Key • Couplings (Page 2 of 2) All Types 427-140 Reo a 21 (P eso) oola e el 11 pesees 2 Telepoe 22 a 22 eoo Key & Keyway Dimensions – Millimeters Coupling Hub Keyway Dimensions – Inches Shaft Diameter “D” Key Size Nominal Keyway Width Hub “W” Keyway Depth Hub “T2” Parallel Metric Keys and Keyway Dimensions - Roy Mech. The tables below show the dimensions of a straight sided spline in accordance with BS 5686:1986, ISO 14-1982: Specification for straight-sided splines for cylindrical shafts: metric nominal dimensions, tolerances and gauging requirements. Keyway Size (W x D) 3/16 x 3/32 in: Length thru Bore: 0. Good for use with square- and hex-profile shafts, these aluminum supports also work with round shafts of any diameter up to 1". Parallel Keys and Key Grooves Note(1) The applicable shaft diameter is calculated from the torque corresponding to the strength of the key, for presentation as referential data for general-purpose use. 420 in 36. - Series F couplings supplied with 4) All dimensions per AGMA 9002-A86 interference fit bores without set screws commercial standards. 2) Dimension h of the taper key names the largest height of the key, and dimension t z. give a positive response me, the e-book will enormously way of being you other issue to read. ASME B1. Browse Part Number 69790499329, SU-6 Type Complete Couplings - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Item Name,Disclaimer,Description,Description ,Bore Size ,Size,Hub Style,Type,Material,KeywayBrowse Part Number 68514411505, L Type Hubs without Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Item Name,Disclaimer,Description,Description ,Bore Size ,Hub Style,Coupling Type,Coupling Size,Materi. 91 mm: Keyway Size (W x D) 3/16 x 3/32 in: Length thru Bore (Dimensions LTB1/LTB2) 1. Imperial Tap Chart: Keyway Dimensions: Melting Points: Metric Tap Chart: O-Ring Sizes: Pipe Threads: Screw Extractors:. 3 38 44 12X8 12 3. Specification Feather Keys Metric DIN6885 Specification Feather Keys. ). Related: Shaft Arbor and Keyseat Dimensional Data American National Standard Keys and Keyways; Standard Metric Keys Keyways for Metric Bores with One Key; Keyway Cutter Hole Keyway Dimensional Data for MIlling Centers and Arbors - ANSI/ASME B94. Metric keyways are dimensioned by width and depth as measured from the radius of the shaft to the center of the keyway. Hollow shafts Diameter tolerance: Spline shafts Flange Centering shoulder tolerance: Up to two different flange dimensions are available for each size of helical gear unit and Spiroplan® gear unit. To use this calculator, input your Torque, Shaft Diameter and Key Length values. Keyway Size (W x D) 5/16 x 5/32 in: Length thru Bore: 1. Browse Part Number 68514465455, Curved Jaw Coupling Hub w/ Keyway in the The Timken Company catalog including Part Number,Item Name,Disclaimer,Description,Description ,Bore Size ,Hub Style,Type,Coupling Size,Hub Material,Set Screw Style CouThe Mini Soft coupling design is comprised of three parts. Set Screw Style Coupling Size (Dimension T) 5/16-18: Keyway Size (W x D) 5/16 x 5/32 in: Overall Length: 3. 200 in 55. 020 0. 46 : Part 1 : 1958 DIMENSIONS OP KEYS AND KEYWAYS POR MARINE TAILSHAPTS. American standard cotter pin sizes are in nominal fractional inches, starting at 1/32. One-Side Moveable. TAPER KEYWAY DIMENSIONS - METRIC - BS 4235-1: 1972. Please note that the key sizes in parentheses are older sizes that are no longer commonly used. width depth tol. 200 in 5. A is a stronger version of the MB washer. Lovejoy’s standard bore program covers AGMA, SAE, and DIN bore/keyway and spline bore combinations. Shape and dimensions of parallel key and keyway Shape and dimensions of taper key, headed taper key and keyway Excerpt from JIS B 1301:1996 S1 = b's tolerance× 1 2 S2 = h's tolerance× 1 2 h2 = h, f = h, e ≒ b S1 = b's tolerance× 1 2 S2 = h's tolerance× 1 2 Key body Cross section of keyway Key body Dimensional Charts are for Metric Taper Keyways, Metric Taper Keys, Imperial Taper Keyways and Imperial Taper Keys. 84 in -0. 5. radius. 40 mm Horizontal Shaft Arrangements Vertical Shaft Arrangements B3 FOOT MOUNTED. 88 mm: Overall Coupling Length: 3. 490 in 114. A sunk key is a key that fits into keyways in both the shaft and the secured member in machinery. 2 7-1,2 1. 360 Minimum 2. AGMA ASA Keyway and Bore Design Data ASA Keyway and Bores Design Data including dimension; Woodruff Keys ANSI B17. Keys and keyways BS 46 Part 1 : 1958 Keys and keyway Dimensions-Parallel Rectangular Adve Radius 0. Also, T 1 and T 2. Keyway Size (W x D) No Keyway : Length thru Bore: 1. British Standard :BS 46 Part 1 : 1958 Keys and keyways and. 6-1 and for shafts in Fig. Shaft Diameter. 750 in 19. Max. 05″ and the precision metric sizes are 0. - 3. 542. B. Over To (Incl. Recommended Hub Keyway Dimensions (mm) Reference AGMA 9112-A04 Standard metric keyway width tolerance per Js9 Imperial Standard Bore and Keyway Info Recommended Bore Tolerance for Imperial Shafts (Inches) Nominal Shaft Range Shaft Tol. 104 0. Key Size Hub Keyway Width Depth Over To (Incl. 180 in 29. Canada also uses imperial measurements in some circumstances, though officially, the correct unit of measurement in Canada is the metric system, which includes meters. Keyway (Shaft. British ISO Metric Screw Threads Designations. Max. Imperial, Inch Hardware, Metric, ISO Imperial Tap Chart: Keyway Dimensions: Melting Points: Metric Tap Chart: O-Ring Sizes: Pipe Threads:. 750 in 19. 3 17 22 6X6 6 2. 00 mm: Hub Style N/A 3 : Coupling Size N/A RRSC190 : Keyway Size (W x D). 83. AIA/NAS NA0139 - Keyway and Key Slot Dimensions Metric (an Aerospace standard). We use . But ensure the weakened shaft can support the load. Our customers in the USA are managed by JW Winco. 5 times the shaft diameter to ensure a good load distribution over the entire key length when the shaft loaded in torsion. BS 46 Part 1 : 1958 Square Keys and keyway Dimensions. 2500 0. Over To (Incl. The unit to indicate the sizes of spur gears is commonly stated, as specified by ISO, to be “module”. 07 mm: Keyway Size: 5/16 x 5/32 in: Length thru Bore (Dimensions LTB1/LTB2) 1. 120. Unless otherwise specified, the shaft keyway is assumed to be standard. 3mm 2. Woodruff eliminates the milling around the shaft shoulder where concentricity and stress concentration can be affected. keyways & keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and keyways - Parallel and taper keys 1, the Metric key size is W x T. The deviations are less than the basic size. 750 in 69. Max. NOTE. Sizes 5-12 RSB flanges have no set screws. *Used only for parallel keys for tools according to DIN 138. 5020 2. *Contact your local Baldor office for “L” Dimensions. 000. 11 in 53. KM and KML lock nuts are used to locate bearings onto a shaft. Design of Square Key and Keyway (Wood Ruff) Stress, Shear and Torque. Imperial Tap Chart: Keyway Dimensions: Melting Points: Metric Tap Chart: O-Ring Sizes: Pipe Threads: Screw Extractors:. Coping with foreign bore and keyway standards | Machine Design. 1 If keys of Types E and F from 12 x 8 size. AWG Copper Wire Properties. Detailed width tolerance information is best drawn from the manufacturer. 64 3. 92 mmShaft Key Seat Depth Control Values S and T for Shaft and Hub ANSI B17. 04 mmKeyway Sizing Chart - Free download as PDF File (. 75 mm:. Keyway Size (W x D) 3/16 x 3/32 in: Length thru Bore: 0. 3) Keyway fillet radius to be specified by customer. 88 mm: Outside Diameter: 4. 25 - M 1. 200 in 55. Dimensions (Inches). Width. 3mm 3. com ©2004-2021 Kramer Power Equipment Co. 3 30 38 10X8 10 3. TAPER KEY DIMENSIONS - METRIC - BS 4235 -1: 1972Keyway Size Chart - Farrell Bearingsways. Find the depths to cut in keyway and keyseat. Table 1 below presents a summary of the typical. Hex keys are measured across-flats (AF), which is the distance between two opposite (parallel) sides of the hexagon. 350 in 85. BS46 square keys are commonly used in various industrial and mechanical applications where torque transmission between a shaft and a hub is required. 380 in 35. O. Axles can be interchanged within housings of the same width. 770 in 44. 82 in 20. Show results for Filters. com, and we'll work with you to ensure that we provide you with the exact roller chain sprockets or conveyor chain sprockets that you need. N = Number of splines. 5 times the shaft diameter to ensure a good load distribution over the entire key length when the shaft loaded in torsion. Keyway Connection. Min. 3) All 8-3/4" axle shafts, 65-74, are retained by a bolt-on flange. Machine keys are installed in a keyed joint and are typically designed to fail before other components often saving more. 3mm 5mm 5mm 5mm 5mm 6mm 6mm 6mm 8mm 8mm 22mm 24mm 16mm 17mm 19mm 20mm 25mm Keyway Width (w) 10mm 3mm 3mm 1. Design of Square Key and Keyway (Wood Ruff) Stress, Shear and Torque. 150 in 80. 070 in 77. Keyway Bore Diameter Size Bore Reference -0. ) Metric Sizes (mm) PART NO. This is our collection of frequently used reference tables for shop work. ANSI Woodruff Keys. 487 Minimum 2. Drive Type Fastenings without Taper Action; Parallel Keys, Keyways, Deep Pattern. Keys and Keyways. Shaft standard key sizes table non bushing bore keys qd shallow range gates includes specific each alsoMetric plated key stock, shop home hardware products at low price Metric key ametricKey steel, metric sizes 4-12mm, assorted pack of 10. 3M. 2. The keyway dimensions are also different from the English system. Depth of keyway is measured at CROWN. 05 mm: Outside Diameter: 2. These sizes cater to different shaft diameters and keyway dimensions, ensuring a proper fit for your specific requirements. We would like to show you a description here but the site won’t allow us. Browse Part Number 68514412594, L Type Hubs with Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Item Name,Disclaimer,Description,Description ,Bore Size ,Hub Style,Coupling Type,Coupling Size,Material,. Lengths are not standardized. While a designer is free to specify any keyway they wish, straying from the standard option is likely to increase the cost, time, and complexity of the part. Design of Square Key and Keyway (Wood Ruff) Stress, Shear and Torque. Aligned dimensions have text placed parallel to the dimension line with vertical dimensions. Sizes 5-12 RSB flanges have no set screws. This is aWe also have an Imperial Keyway Calculator. 2 Keyways - Dimensions for keyways are given in Table 3. Hello, I have found this interesting product on Our service team is available from Monday to Friday between 7:00 AM and 5:30 PM: +49 7723 6507 - 0. Keys and keyways . Keyways are available as a standard in two-piece rigid couplings. 83 mm:. Metric keyways are dimensioned by width and depth as measured from the radius of the shaft to the center of the keyway. 0005-. 8mm 3. 180 in 29. Ref. 50 mm: Overall Coupling Length N/A 1. O. When the key is of an appropriate size relative to the torque to be transmitted, a shaft thicker than the applicable shaft diameter may be used. - Comes with 80 durable plastic key tags. Min. Max. 8mm 2. Taper keys with or without gib head and their corresponding keyways. Metric keyways are dimensioned by width and depth as measured from the radius of the shaft to the center of the keyway. It is different from a tapered shaft lock in that tapered keys have a matching taper on the keyway, while tapered shaft locks do not. Standard Finish: 12 to 23: Self-Finish. For more information about our Imperial machine keys, call us today at 724. Standard External Metric Thread and Fastener Sizes M 0. Also calculated are the overall measurements for shaft and bore, as well as the chord height. Browse Part Number 68514437257, L Type Hubs with Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Item Name,Disclaimer,Description,Description ,Bore Size ,Hub Style,Coupling Type,Coupling Size,Material,. Figure 2 Keyway Sizes. 068 3/8 #50 1/2. Address. 00 mm: Overall Coupling Length: 4. 2; ANSI Shaft and Hub Keyseat Dimensions for Woodruff Keys per. Metric External Table Chart Thread Designations Sizes M 1. Keyway (Hub) Radius r. There are six main types of Sunk keys: Rectangular sunk key. Shaft (Arbor) Keyway Dimension Size Data - ANSI/ASME B94. MB 40Lock washer for metric lock nuts. 146: 0. ANSI B17. Fully-threaded, headless screw with a hex drive at one end and a protruding tip with a flat surface at the opposing end. 51 in 139. Also, T 1 and T 2. 062. 2-1967 (R1998) - Engineers Edge. 0000 /-. Zip/Postal Code *. 980 in 24. 99 mm: Keyway Size (W x D) 3/16 x 3/32 in: Length thru Bore (Dimensions LTB1/LTB2) 1. keyway dimensions metric keyways diameter key shaft hub over incl w h width depth tol. Browse Econoline Series M Type Manual Pulleys w/ Keyway - Imperial in the The Timken Company catalog including Part Number,Description ,Bore Diameter ,Belt Type,Model,Keyway Size ,Outside Diameter,Max. Pitch Diameter (Dimension PD)Easily calculate the values required to cut keyseats and keyways. 09 mm: Outside Diameter: 6. 1. SIZE ATK501P 4 x 4 ATK502P 5 x 5 ATK503P 6 x 6 ATK504P 8 x 8 ATK505P 10 x 10 ATK506P 12 x 12 ATK507P 16 x 16 ATK508P 22 x 22 ATK509P 25 x 25 ATK600P 25 x 22 ATK601P 7 x 8 ATK602P 8 x 10 ATK603P 8 x 12 ATK604P 9 x 14 ATK605P 10 x 16 ATK606P 11 x 18. Keyway Size (W x D) N/A 3/8 x 3/16 in: Length thru Bore N/A 2. 492 in 12. 1 Square Keyway Tolerances. ) Nominal Nominal 10 12 4X4 4 1. 109 - - 0. 590 in 14. 2 – 1967, R1990 can be referenced for measuring standard woodruff keys. Shaft Keyway Shear and Yield Strength Formulae and Calculator. +40 0. NOTE. Keys and keyways. Use individual keyway broaches in a variety of arbor hole sizes. 04 in inch mmConveyXonic Poly-V Belt Sizes 2/27/20 Ribs in stock in rollers with 43mm endcap Ribs in stock in Part no. 1) The tolerance zone for hub keyway width b for parallel keys with normal fit is ISO JS9 and with close fit ISO P9. Shaft with Two Keyways Torque Applied Deformation and Stress Equations and Calculator. See dimensions W and h in Figure 1. 8mm 1. Max. This all steel design ensures optimum equipment protection. To (incl. 4235 : PART 1 : 1972Nominal Shaft Diam KeySizeDimensions (mm)Over To (incl. Designation Bore diameter d Outside diameter D Width B Outside diameter flange D 1. Sort by: Bore diameter d. Buy it Now . Standard External Metric Thread and Fastener Sizes M 0. 7 mm, 0. - Series EL couplings supplied with Keyway Bore (inches) Reference Height (d) 1. Top. keyways /keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and. 09 mm: Outside Diameter: 6. Flanged housings – FNL series . size set screw wrench torque in . 016 1/64Imperial Sizes (inch. Title: Tables. Keyway Calculator *tweaked* - just enter diameter of shaft (or bore)! DMF_TomB, I took your calculator you posted, added some more graphical info and tweaked a bit, so it automatically looks up the standard keyway for any given diameter shaft or bore and adds everything (again, automatically) to the graphic. As you’ll notice, there isn’t always a perfect substitute. See dimensions W and h in Figure 1. 6 - M 18. Imperial Tap Chart: Keyway Dimensions: Melting Points: Metric Tap Chart: O-Ring Sizes:. Twist Test. The Feather Keys or Shaft Keys are similar to the parallel key except that they are radiused on both ends and machined to tight length tolerances. 89 mm: Outside Diameter: 1.