Keyway (Hub) Radius r. 8mm 3. 6250 inch. 3/8 . 093 / . This is aRe-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. 1250 21/2 25/8 71/4 4 9/32 8. Shaft diameters are listed for identification of various key sizes and are not intended to establish shaft dimensions, tolerances or selections. Turn ground and polished shafting is better than standard shaft because it provides a much easier installation for bearings, collars, sprockets, and other. ISO/R 773:1969. 3mm 5mm 5mm 5mm 5mm 6mm 6mm 6mm 8mm 8mm 22mm 24mm 16mm 17mm 19mm 20mm 25mm Keyway Width (w) 10mm 3mm 3mm 1. 6552 ProductsFigure 1: The two standard keyway ends for parallel keys. js9 widthHere's a quick reference guide to common keyway profiles. AGMA ASA Keyway and Bore Design Data ASA Keyway and Bores Design Data including dimension; Woodruff Keys ANSI B17. Shaft Diameter: Width Height Keyway (Shaft. Fit pulley with taper bush on shaft and locate in desired position. * Indicates non-standard key. 535. D. 0mm Metric, Standard. 0mm metric, standardShaft standard key sizes rectangular gates keys diameters most non std readily available Chart keyway torqueKeyway metric key dimensions standard keyways keys bores shaft hub depth iso diameter engineering table edge width millimeters. 010 Height (d) (t) - DIM Keyway Width (w) AGMA 9002-A86 Inch Bore and ANSI B17. 4235 : PART 1 : 1972 Parallel Metric Keys and Keyway Dimensions - Roy Mech. Referencing Figure 1, thekeyway dimension is W x T 1 . 1 - 1972. 3D Printing & CAD. Standard Keyway Tolerances Up through 1/2" +0. KeyWay. Gates belts, hoses, and applications: standard & non-standard shaft. Keys and keyways. 3 A ‘trial’ shaft diameter is given in Appendix A. As noted above, when selecting a keyway tolerance, there are two common selections in the. Engineering Information Taper Metric Key and Keyway Dimensions. link to pdf. Typically the torque comes into the shaft at one gear and leaves the shaft at another gear. Keys covered by this Standard have a relatively tight width tolerance. Standard External Metric Thread. Keys with greater width tolerance. To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. Made of solid carbide, these cutters are harder, stronger, and more wear resistant than high-speed steel and cobalt steel for the longest life and best finish on hard material. standard keyway dimensions key depth tolerance is 010 000 for all standard keyways shaft arbor keyway dimension size data ansi asme. Technical Data: rated torque from 10 - 800 Nm shaft diameter from 5 - 72 mm. 6 - M 18. ISO Standard. Minimum hardness, tensile strength. Keyway broach 1/16 to 1-1/2 inch, 2. Also known as half moon keys. 625 / . pdf Shaft diameterKey steel pulleys belts metric transmissions stationaryengineparts. Pulleys Size Chart - Pulleys Size Chart. To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. Standard sizes shaft key bushing bore table keys non shallow bushings taperlock gates required specific includes each Keyway standard dimensions keyseat pdf information printer friendly Keyway misumi. The clearance is provided on the keyway in the hub and it's 0. Therefore most motor series are offered with both standard frame sizes. 30)or the cap screws (bush size to 5050)and screw them in, do not tighten them yet. + 0,030 ; yg 0 - 0 0,030 k 0,015 0,012 1,8Woodruff keys work well near shaft shoulders and on tapered shafts. 350 Maximum 2. 3. * These Width A values were set with the maximum keyseat (shaft) width as that figure which will receive a key with the greatest amount of looseness consistent with assuring the key's sticking in the keyseat (shaft). In stock and ready to ship. 628 raise the table that amount, you are. As bushing bores approach the maximum recommended diameters, keyway depths are reduced in order to extend maximum bores as much as possible. Available in Carbon Steel and Stainless Steel Offered in corrosion resistant Zinc Clear finish. TruKey® Shafting from Keystone is designed to provide the straightest, most accurate keyed shafting, in the industry. Metric keyways are dimensioned by width and depth as measured from the radius of the shaft to the center of the keyway. 5 2012 10028 248. 25 mm to 60 mm – 5 mm step. 140 mm to 500 mm – 20 mm step. 3,ForShafiendswith throu~, keyway the diameter of shaft end must be minimum 10 mm for centrehole of M3, for Centrehole M4Standard sizes are ready to use without any cutting or filing. 5 in (170 mm). Note: Broaches have a. 000 / +0. 2 Exceptions This standard does not apply to: - couplings attached to shafts without keys, see ANSI/AGMA 9003-B08;* Groove dimensions for woodruff keys DIN 6888 in accordance with DIN 6885 Sheet 1 (with black clearance). Non-standard keyway. 19-1997; Design of Square Key and Keyway (Wood Ruff) Stress, Shear and Torque; Parallel Key and Taper Keys Dimensions; Shaft with Four Keyways Torque Applied Deformation and. 3125 0. 1 Class 1 standards for dimensions and tolerances. 015: c +0. taper dimensions which is 1 in 16 up to and including 5 1/2" diameter. Standard keyway dimensions Calculate Standard Shafts. 4375 1. 4375 1. The overall length or “C. TGP is the abbreviation of Turn Ground and Polished shafting. *. All dimensions are given in inches. D,d Depth. Metric:W x H KeyW x T2 Keyway. Height. The pulleys for KPS have the same dimensions as those for the STS standard pulleys. 60 mm to 100 mm – 10 mm step. Specification. 000 -0. The hub keyway is dimensioned by its width and depth on the shaft – keyway sides. ASME B1. 6 - M 18. 2515 0. 15 12 17 5 5 0 / -0. Unless otherwise specified, the shaft keyway is assumed to be standard. 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 ATK607P 12 x 20 ATK608P. Parallel keys are. Above 5 1/2" diameter the S. Dimensions of Parallel Keys and Taper Keys. 010 inch, max is provided for offset (due to parallel displacement of keyseat centerline from centerline of shaft or bore) of keyseats in shaft. 039. 000. Keyway Bore Diameter Size Bore Reference -0. ANSI woodruff size charts express measurements in inches and nominal key sizes with higher numbers corresponding to bigger keys. 0948 0. In the absence of specific details, manufacturing will be based upon DIN 6885 - T1. Shaft keyseat dimensions and tolerances. Standard metric keys & keyways. Standard Keyway Dimensions Shaft Diameter Set Screw Width Depth. f7 (shaft) tolerance range = −0. Key standard sizes shaft failure theories ppt powerpoint presentation diaMetric woodruff keys are supplied to din 6888 / iso 3912 in c45k key Keyway chartKeys standard metric keyways mechanical. 7 mm (25 Each)1) Unless specified by the customer: 2) Actual shaft fit will vary depending on - Series S couplings supplied with actual shaft diameters. --keyway dimensionsKeyway chart diagram hallite. 012 in. Metric Bores And Keyways DATA SHEET DS103 REV. , depending on the lock nut size: Mating shaft threads (recommendation) KM/KML Metric thread, 6g: ISO 965-3 HM/HME and HM. Use plain bore part# for standard sizes, please contact us for non standard bore size avail-ability & Part#'s Keyway *Key O. The standard dimensions of square and rectangularKeyWay /Key Dimensions. 109 - - 0. Shaft Diameter: Keyway Width x Depth: Imperial Sizes (inch. Product data for lock nuts requiring a keyway Consent to Cookies & Data processing. Careers; Rino Mechanical Components; COVID. For shafts, the standard lengths are 5m, 6m and 7m but generally taken as 1m to 2m. Square Keys preferred for shaft diameters above this line: rectangular keys, below Key 3 3/4 4 1/2 5 1/2 Shaft Key Size Versus Shaft Diameter ANSI B17. 4660 or click here to contact us. For more information, to get a formal quote on 2-3/16" keyed shaft, or for pricing on any of its accompanying components/ accessories please contact us and we will be happy to assist you. Lovejoy industry standard hub design;. Dimensions standard keyseat keyway shaft shafts diameter nominal Keys & keyways specification Keyway standard chart metric broach pdf charts broaches std Standard keyway dimensions. The following is summarized from the American National Standard Keys and Keyways for Milling Cutters and Arbors ANSI/ASME B94. 3 16 10. Keyway chart din sizing dimensions woodruff engineering groove calculator. Metric woodruff keys are supplied to din 6888 / iso 3912 in c45k keyKeyway hallite Keyway chartShaft keys. The keyseat is in the shaft. . D. Machine keyway to recommended size and tolerance listed per Table 5. ). 1 - 1972. 3810. Tolerances and fits comply with, or are within, AGMA 9002-A86 standard (Class 1 clearance fit. 316 stainless steel keys have excellent corrosion resistance, but aren't as strong as steel keys. Open the catalog to page 11addition to the standard sprockets, special sprockets may be available in the same styles . 1-1967 (R1998) 3/16 7/32 1/4 1 3/4 2 1/4 2 3/4 3 1/4 9/16 7/8Page 1420 | Modi˜cation standads DIN 6885 Keyway, key details Extract Page 1 heavy type d b P9 / JS9 Hub keyway b P9 / N9 Shaft keyway h t 1 = d + t 2 t 2 t 3 = d. Nominal Shaft Diameter ( A ) Bottom of Keyway to Bottom of. 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. 000",. Parallel keys are the most widely used machine key. The standard sizes of Machine shafts are: Up to 25 mm steps of 0. Above. BS 4235 Pt. Figure 1 Engineering Limits and Fits. d = Shaft diameter, inches (for taper shafts, use average diameter), w = Width key, inches, L = Effective length of key, inches, h 1 = Height of key in the shaft or hub that bears against the keyway, inches, h 1 = h 2 for square keys. We stock pre keyed shafting in many diameters, including metric diameters, with standard keyways. Along with keyway size tolerances and keyway depth sizes, some standards also provide information on the recommended key size and keyway depth as a function of shaft diameter. 6 mm. Top. Threads are American National form, Class 3. --keyway dimensions Keyway sizing chartDimensions standard keyseat keyway shaft shafts diameter nominal. Link to this Webpage. Keyway size charts can come in both imperial and metric measurements. Shaft keys, or machine keys, work by securing a rotating shaft to a hub assembly or gear thus transmitting torque from the shaft to a gear or sprocket. 424 Minimum 2. 414 Maximum 2. This key stock is undersized, so keys will fit slightly more loosely than standard keys and are best for inconsistent keyways. For a shaft key to function properly, both the shaft and rotating elements ( gear, pulley, and coupling) must have a keyway and a keyseat. Our shaft keys stay in place and allow quick, hassle-free field replacement. 85mm X 14. All hubs supplied standard with one set screw. 19-1997 . DIN-Keys & Keyways to ISO Diameter d in accordance to DIN 6885/1 in accordance to DIN 6885/3 above to Width b 1) Depth h Shaft Keyway Depth t₁ Hub Keyway Depth d = t₂ Width b 2) Depth h Shaft Keyway Depth t₁ Hub Keyway Depth d = t₂ mm mm mm mm mm mm mm. Check Details. Machine Key and Woodruff Key Assortments. Refer to Figures 4 and 5 and Tables 6 and 7 for recommended setscrew location and size. The system uses letters and numbers. 3810. pdf), Text File (. This dimension should match the diameter of your shaft or bolt. They are called “keys” because they lock a component to the shaft by means of a corresponding keyway in a shaft. 005 Diameter Width *0. 003, the cutter is . rad 10 12 4 4 2. 000. The common specification dimension, Keyway Size, is highlighted. The whole system is called a keyed joint. The keyway dimensions are also different from the English system. A free body dia-gram of the shaft will allow the torque at any section to be determined. Keyless hubs are often specified for high speed applications to improve the balance of the assembly and to secure the hub to. 1 SCOPE. shaft to the center of the keyway. Keyway Depth Calculator answer BoreTurn Keyway Broaching Keyseating Milling Drill Tapping. Ansi Standard Keyway Sizes Pdf Thank you very much for reading Ansi Standard Keyway Sizes Pdf. 5 times the shaft diameter to ensure a good load distribution over the entire key length when the shaft loaded in torsion. clearance fit bores with set screws. Machine Key and Woodruff Key Assortments. Refer to Figures 4 and 5 and Tables 6 and 7 for recommended setscrew location and size. Guide for shaft keyway design, shaft key size calculation and selection. Shaft Key Seat Depth Control Values S and T for Shaft and Hub ANSI B17. 6 mm. Fully-threaded, headless screw with a hex drive at one end and a protruding tip with a flat surface at the opposing end. 424ANSI-B17. 1 Size Shaft Dia. Carbide Straight-Tooth Keyseat End Mills. Only informative sections of standards are publicly available. by the width and the depth measured from the raduis of the shaft to the center of the keyway. Shaft Diameter. Machine keys are installed in a keyed joint and are typically designed to fail before other components often saving more. Figure 1. Keyway Bore (inches) Reference Height (d) 1. Keyway chart sizing key machine engineering keyways shaftKey and keyway dimensions (control in motion) Keys & keyways specificationKeyways keys dimensions metric parallel tolerances engineering bs fit figure source 1972. 025 mm and +0. Figure 2 Keyway Sizes. This Standard covers the size, type and tolerances of parallel and taper keys and keyseats, and their relationship to shaft diameters and bore diameters. Problem that I see is that the bush is going to allow the key to "work" side to side, and to use a technical term, "waller" out the keyway, probably the shaft keyway. 500. M5. Width b: Depth : Radius R: Nom: Tolerance Class: Shaft t 1: Hub t 2: Normal: Close: Shaft N9: Hub Js9: Shaft & Hub P6:. Standard External Metric Thread and Fastener Sizes M 0. Keyway Size Chart - Farrell BearingsESR Motor Systems ESR Motor Systems, LLC • 648 E White St, Rock Hill, SC 29730 Phone: (800) 868-3770 • FAX: (803) 324-3259 Standard NEMA Frames vs. 02 in h > 9. 10-24. A Shaft key is a piece of metal used to connect a rotating machine element to the shaft. 8 0. 0 $0. recommended in this standard may entail more fitting of keys into keyways than was envisaged in the1953 edition. shaft bore fits standard keyway dimensions jrc web web standard keyseat dimensions a b 0 000 0 015 c 0 002 0 000 d nominal shaft diameter bottom of shaft to1, the Metric key size is W x T. The height of inch keys decreases by 1/8" for every 12" of length. Check out our shaft keyway size chart as well to help you identify your needs. 597 7/16 . Keyway Bore (inches) Reference Height (d) 1. Specifications Met. Standard. 74" 3/4" 0. Standard External Metric Thread and Fastener Sizes M 0. 6552 ProductsLock nut, dimensions in accordance with ANSI standard N lock nuts are available in two series: N 00 normal series and N 000 low profile series: MB: Lock washer, dimensions in accordance with ISO standard for a KM lock nut: MBL: Lock washer, dimensions in accordance with ISO standard for a KML lock nut: MS 30Ondrives. The key and key seat cross section are ISO standardized. Dimensions standard keyseat keyway shaft shafts diameter nominal Keys & keyways specification Keyway standard chart metric broach pdf charts broaches std Standard. A keyed joint is used to ensure orientation or restrict rotational movement between parts, as in the case of joining a shaft with a coupling. 125+. Below is a reference on shaft diameters and the corresponding keys / keyways according to the prevailing standards. AGMA ASA Keyway and Bores Design Data including dimension and tolerances. When using a key it should firstly be fitted in the shaft Keyway. (ASME) Standard B106. A list of standard keyway and corresponding key sizes for English shafts are listed below in Table 1. 4 mm. 781" 0. BS 4235 Pt. --keyway dimensions Dimensions standard keyseat keyway shaft shafts diameter nominal New year, new designs tips. Over To (Incl. 250" SAE. The first is Js9. HOUR . Keyway chart sizing key machine engineering keyways shaftKey and keyway dimensions (control in motion) Keys & keyways specificationKeyways keys dimensions metric parallel tolerances. Fully threaded, headless screw with a hexagonal drive at one end and a cup-shaped indentation at the other. 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. The hub keyway is dimensioned by its width and depth on the shaft – keyway sides. 3 Specifications of parallel keys and keyways Dimensions of parallel keys and keyways are specified in Tables 1 and 2 respectively. Chart keyway torqueKeyway metric dimensions key iso tolerance js9 width r773 engineering depth hub t2 per mechanical height text radius nominal mill Gates belts, hoses, and applications: standard & non-standard shaft keyKeys standard metric keyways mechanical. 1875 0. 000 inch diameter 20 - 1. 048: 0. Mechanical & Motion Systems. 3mm 2. AGMA ASA Keyway and Bore Design Data ASA Keyway and Bores Design Data including dimension; Woodruff Keys ANSI B17. 004, -. Standard Metric Keys Keyways for Metric Bores with One Key; Keyway Cutter Hole Keyway Dimensional Data for MIlling Centers and Arbors - ANSI/ASME B94. Unless otherwise specified, the shaft keyway is assumed to be standard. If the technician installed a key that measured 8″ long × ¾” × ¾” and then mounted the coupling onto the shaft it would result. T 1 Depth of keyway m T Applied Torque Nm F. Metric keyways are dimensioned by width and depth as measured from the radius of the. Metric – Rectangular B. 360 Minimum 2. Keyway chart. BS 46 Part 1 : 1958 Square Keys and keyway Dimensions. Max. 800-982-3141. Woodruff keys work well near shaft shoulders and on tapered shafts. The commonNotes: n Tolerances for bore and keyways are found in Engineering Data section (pages ED-10 and ED-11). 491" 1/2" 0. Standard Keyways and Setscrews Diameter of Shaft Keyway Width × Depth Setscrew Diameter of Shaft Keyway Width × Depth Setscrew 1/2 - 9/16 1/8 × 1/16 10-24 2 5/16 - 2 3/4 5/8 × 5/16 5/8 * 5/8 - 7/8 3/16 × 3/32 1/4 2. 500 inch diameter 32 - 2. 5 +. Do not chamfer setscrew hole, deburr with a file. 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. 657. 1265 0. They conform to ANSI B17. A list of standard keyway and corresponding key sizes for English shafts are listed below in Table 1. This pulley has an inside diameter of 3/4" If you know your drive pulley is running on a 1" shaft, or that your idler pulley uses 3/8" bolts, then it's safe to assume that the inside diameter is. 3 12 8. “Dimensions and identification code for mounting flanges and shaft ends of displacement pumps and motors”. E. Stainless Steel-Feather keys DIN 6885 are only in packing units of 10 pieces for each size and length available. The key prevents relative rotation between the two parts and enables torque transmission. 6 mm (25 Each) Key Size 2 mm × 5 mm (25 Each) Key Size 2. 2. Keyway chartShaft bushing bore Metric key keyway dimensions per iso/r773. 99. js9 widthKey shaft keyway dimensions keyed. 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. The shaft size and tolerance are adjusted to create the proper fit between the two components. Below is a reference on shaft diameters and the corresponding keys / keyways according to the prevailing standards. 1M:1985. Lovejoy’s standard bore program covers AGMA, SAE, and DIN bore/keyway and spline bore combinations. Dimensions: Shaft Diameter (A): 3-7/16" Keyway Width (B): 7/8" Keyway Depth (C): 7/16" Shaft Material: 1018 Steel; Phone: (407) 347-3519 Email: sales. Email: sales@usarollerchain. l b l R l b R Both ends round (A) Both ends rectangular or square One end round (C) (B) Figure 3 – End of key Table 1 – Dimensions of parallel keys, mm Nominal dimension of key b x h l Nominal dimension of. ON REQUEST - b = 14, 16, 18, 20 TECHNICAL INFORMATION - ISO-Fundamental Tolerances (see page A21 ) - Keyway type in the bore and the shaft (see page A16) - Stainless Steel characteristics (see page. Tapered keys are machined with a taper along the length of the key. d. 095 . 5000 2. Shaft standard key sizes table non bushing bore keys qd shallow range gates includes specific each also Specifications for key stock Keyway dimensions metric key js9 iso tolerance per hub radius width depth diameter. 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. It is a standard type of key. Key and keyway dimensions (control in motion)Solved question 5: you have been tasked with designing a Gates belts, hoses, and applications: standard & non. The keyway dimensions are also different from the English system. 3-2003. Posted on February 1, 2023 in Industry Formulas. 25 mm to 60 mm – 5 mm step. British Standard Metric Keyways for Square and Rectangular Parallel Keys 11 5/16 3/8. Standard Keyway Size X/S Shaft/Bore Diameter. . Convert output drives from female to male. Referencing Figure 1, the keyway dimension is W x T 1. Standard and metric keyway broachesTable aii-12. Install them in keyways to transmit torque from shafts to gears and other components. For dimensions in millimeters, multiply inch values, except thread diameters, by 25. 002. Extended-Reach Hex Bit Socket Sets. In this app English or British Size Key and Keyway are availble. Unless otherwise specified, the shaft keyway is assumed to be standard. ANSI Roller Chain. Website: Required fields are marked. 110 mm to 140 mm – 15 mm step. Inch keys conform to ANSI B17. Recommendations for key size, length and keyway depth as a function of shaft diameter are provided in ASME Standards B17. Standard Keyways: (Used on all of our shafting) “Plain” Shafting available on all Steel grades. Design of Square Key and Keyway (Wood Ruff) Stress, Shear and Torque. Lockwashers engage a keyway in a shaft or adapter sleeve slot, then locks the accompanying locknut in position by bending one of the washer tabs into the nut’s outside diameter slots. A. G&G Manufacturing Company 4432 McKinley Street P. 2; Thread Shear Area for External and Internal Formulas and Calculator per. SQUARE KEYWAY DIMENSIONS - IMPERIAL - BS46:1 1958. They meet DIN 6887, an international standard for machine keys. As you may know, people have search hundreds times for their chosen books like this Ansi. ← Key Signature Identification Chart Key Way Size Chart →. ) Rectangular 7/16 1/8---3/64 1/16 3/32 Nominal Shaft Diameter Nominal Key Size Normal Keyseat Depth Over Up to. 36" 2. A list of standard keyway and corresponding key sizes for English shafts are listed below in Table 1. 0. Unless otherwise specified, the shaft keyway is assumed to be standard. H is measured Perpendicular to key. 6 products. Page 1420 | Modi˜cation standads DIN 6885 Keyway, key details Extract Page 1 heavy type d b P9 / JS9 Hub keyway b P9 / N9 Shaft keyway h t 1 = d + t 2 t 2 t 3 = d – t 4 t 4 6 2 2 2 7 1 +0,1 4,8 1,2 +0,1 ways. Unless otherwise specified, the shaft keyway is assumed to be standard. The first is Js9. Slightly larger than the size listed, these oversized keys offer a tight fit in. The keyseat depth equals 1/2 the key thickness. When selecting the set screw size, you should select a size where the indentation on the end of the screw is apparent on the cylindrical surface of the shaft. 493. For designs where unequal portions of the key are in the hub or shaft, h 1 is the minimum portion. Max. Bore Diameter: 0. 0005-. 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. 1; Hardware. Woodruff keys work well near shaft shoulders and on tapered shafts. Max. 2. clearance fit bores with set screws. ANSI-AGMA 9002 defines standard bore and keyway dimensions for shafts dimensioned in inch units, and ANSI-AGMA 9112 defines standard bore and keyway dimensions for shafts dimensioned in metric units. 1. Keyway Standards – IMPERIAL Keyway Standards – METRIC Keysteel Merchandiser.