Do not chamfer setscrew hole, deburr with a file. INCHES 1/2 1/4 1-1/8 1/2 5/16 1-1/8 For all 1" Fixed Bore Single Groove Sheaves. for the squirrel-cage, 3 phase induction motors of 1000V or lower. The slot is defined as a keyway or a. 8 mm. A custom machine key provides greater control over the fit,. ANSI B17. The standard taper is I in 100. 1 - 1972 # Tolerance each on T1 and T2 (1" -14. The torsionally flexible jaw coupling ROTEX Standard is an elastomer coupling with feather keyway and particularly low-cost due to its simple structure. Undersized Machine Key Assortments Since they fit more loosely than standard keys, these undersized keys are best for uneven keyways or when you need to disassemble parts frequently, such as during maintenance or prototyping. Keyway Depth Calculator answer BoreTurn Keyway Broaching Keyseating Milling Drill Tapping. 5000 2. A negative number in this description means this has an integral keyway, so no separate key will be needed to anchor the pulley. Width b: Depth : Radius R: Nom: Tolerance Class: Shaft t 1: Hub t 2: Normal: Close: Shaft N9: Hub Js9: Shaft & Hub P6: Nom: Tol: Nom: Tol: Max. Many keyways are milled directly into a shaft or broached into the corresponding bored holes. Metric Key &. Woodruff key cutter size chartStandard woodruff keys Shaft standard key sizes rectangular gates keys diameters most non std readily availableKeyway key. G&G Manufacturing Company can modify any of these items or make a special made to order version to your specifications or prints. All hubs supplied standard with one set screw. clearance fit bores with set screws. 020 0. The common specification dimension, Key Size, is highlighted. The most widely followed dimensions for tapers is the internationally accepted standard S. Imperial systems use inches and feet, and these are the standard units. 97" 2. 4 (451-110). All parts are hardened, ground and lapped; threads are ground. Parallel keys DIN 6885 are only in packing units of 50 pieces for each size. Keys and keyways BS 46 Part 1 : 1958 Square Keys and keyway Dimensions all dimensions in inches. * For standard sizes of 0. Reliable. Register Diameter (N) Shaft Diameter (D) Shaft Length (E) Keyway width (F) remaining shaft thickness to keyway (G) 63: 1,22: 140: 115: 9: 95: 11: 23: 4:. These sizes will be furnished when keyway size is not specified on an order. “Dimensions and identification code for mounting flanges and shaft ends of displacement pumps and motors”. Based on the industry standard plug diameter of 1⁄ 2". Reverse of D Series. +40 0. 2515 0. 000. As noted above, when selecting a keyway tolerance, there are two common selections in the metric system. All dimensions in inches. Key. 1 for Keys and. Keyway Dimensions. standard thread form for inch unit threads in U. Non standard bores and over the keyways. Keyway Dimensions. 2; Thread Shear Area for External and Internal Formulas and Calculator per. All dimensions are given in inches. The commonTo confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. 6 - M 18. 010". com 15 Cleveland Steel Tool recommends the use of Keyways for positive alignment of shaped punches. Arbors are complete with assorted width arbor spacers and running bushings as listed below. Size, grade and types of bolts required 4. High density layouts with up to 187 data connections and power contacts rated up to 23A. See dimensions W and h in Figure 1. Keyway Width ( w ) Over 1/2" to and including 1" +0. Index the adapter 180 degrees on rotor shaft (see Figure 6-22 C). Standard keyway dimensionsKeyway chart Keyshaft keyed shaft,. Keyway misumiKey and keyway dimensions (control in motion) Keyway sizing chartMetric key keyway dimensions. Mak-a-key step key stock 3/8 x 1/2 x 1 ft type 2 zcStep fixture keys (metric) Metric key steelGates belts, hoses, and applications: standard & non-standard shaft key. The data in the standard considers commercially standard coupling bores and keyways, not special coupling bores and keyways that may require special tolerances. Min. 1265 0. 48 products. Shaft Diameter vs Key Sizes Design Recommendations. Aligned dimensions have text placed parallel to the dimension line with vertical dimensions. 000 +. Undersized Machine Key Assortments Since they fit more loosely than standard keys, these undersized keys are best for uneven keyways or when you need to disassemble parts frequently, such as during maintenance or prototyping. We are fully equipped to manufacture both standard and custom broaches: – Push or pull styles for all types of keyways, hole shaping, and surface broaching. Models 200M, 250M & 350M Dimensions Models 500M & 700M Models 13 & 20 *Model Torque min Torque max Stock min plain bore Stock Finish bores Max Bore with Std Keyway. Available in 3 metre (Metric) 10 foot (Imperial) random lengths, with our in-house machining capacity stocked sizes of Keysteel can be cut to length or purchased from. British Standard :BS 46 Part 1 : 1958 Keys and keyways and taper pins. To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. 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 bodyGroup dimensions In standard practice, dimensions are grouped on a drawing for uniform appearance. 2. As noted above, when selecting a keyway tolerance, there are two common selections in the. Here at MDS, we offer A, B, 3VX, and 5VX belts. Woodruff keys work well near shaft shoulders, where a standard open keyway would create too much stress. ” Standard tolerances for straight and tapered keyways are: width . Mechanical & Motion Systems. Ref Standard . 3/8. Keyway: The width of the key used to anchor the pulley to a shaft. 5020 2. For example, a common keyway size for a shaft with a diameter of 1 inch might be 0. Fillet radii comply with AGMA 9002-A86. Over Width, W Height, H Size, bxh 1 1/4. 010"=. Square Drives for Socket. KeyWay: d: b x h width x thck: Width b: Depth: Radius r : Nom: Tolerance Class: Shaft t 1: Hub t 2: Over:Lock nuts requiring a keyway . B. Keyway width P9 tight fit (standard design) JS9 or N9 loose fit (requires written agreement) see also. Products must be available in many sizes, to fit a variety of design envelopes – and avoid the need for customised parts. AA dimensions shown in chart are Baldor typical values meeting or. Use individual keyway broaches in a variety of arbor hole sizes. That is, for a 1/2" key the depth of the keyway would be . Specification. grease meeting the n. 3mm 2. The bottom surface of the key is straight and the top surface is given a taper. Keyway Sizes for Flexible Couplings, AGMA 512. Standard USA Bricks are recognized by their nominal size of 4” x 2. 97 5 . Winch shaft diameter is 3 . Different ironworker machines use different size and style keyways. Standard Keyways: (Used on all of our shafting) “Plain” Shafting available on all Steel grades. Retaining Ring (Excerpt from JIS B 2804 2010)Just to determine what flange and shaft of pump or motor you have, please see below excerpts from the next standards: SAE J744. 0000 /-. Lovejoy’s Jaw Type couplings are available in 24 sizes from a minimum torque rating of 3. This catalog covers the features, benefits, dimensions, selection, and installation of various jaw type couplings, including the industry-standard L type. Use the middle of the shaft with bearings and other round-bore components. Undersized Machine Key Assortments Since they fit more loosely than standard keys, these undersized keys are best for uneven keyways or when you need to disassemble parts frequently, such as during maintenance or prototyping. 000 / +0. We also cut keyways in blind hole conditions, including blind keyways with a groove relief at the end of the keyway (most common and preferred process) and by exiting out of the keyway with a radius. 487 Minimum 2. ) Types g32 . 414 Maximum 2. Standard Keyway Dimensions Shaft Diameter Set Screw Width Depth Up through 7/16" 8-32 3/32 3/64. (1) Sizes 13 & 20 Torque Limiters for replacement purposes only For range of standard platewheels refer to page 7. A list of standard keyway and corresponding key sizes for English shafts are listed below in Table 1. 000 / +0. NOMINAL SHAFT DIAMETER. Carbide Staggered-Tooth Keyseat End Mills. 4 31. T=Bore Diameter + t2 . They can be used on a mixed cylinder campus with the SL cylinder options that share the R keyway. Nominal key size b × h Applied shaft diameter d Key size Keyway size; b h c or r Standard size of b1 and b2 b1 tolerance （H8） b2 tolerance （F7） r1 and r2 t1 t2; Standard size Tolerance（p7） Standard size. Made of solid carbide, these keyseat cutters are harder, stronger, and more wear resistant than high-speed steel for the longest life and best finish on hard material. C +0. They have an alternating right- and left-hand tooth style for removing more material at high speeds than straight-tooth keyseat cutters. Engineered products . If this chart does not include a cutter that meets your specifications, simply order keyway broach, stating size of keyway and hole, material to be broached and. keyway dimension is W x T1. ANSI Hardware Deign and Engineering Data. 99: ISO/TC 14: ISO 3117:1977. Title:metric key keyway dimensions engineers edge web where t d t2 related british iso metric screw threads designations design. Many keyways are milled directly into a shaft or broached into the corresponding bored holes. 21′). 37 in) to 285 mm (11 . : 10 : Part 1:1972 and conform to I. Lift and turn to easily position and tighten components; also called clamping handles. 4375 1. ISO Metric Hardware SpecificationANSI Inch Unit Hardware Specifications. American National Standard T-Nuts per. 19 Shaft and Arbor Class A and B All dimensions. 74STANDARD KEYWAYS AND SETSCREWS STANDARD BORE TOLERANCES . Diameter D. L Type – Standard Jaw Coupling. 3. keyways /keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and keyways - Parallel and taper keys. keyways /keys dimension in accordance with BS 4235–1:1972: Specification for metric keys and keyways — Parallel and taper keys. Tube Cleaners. 30. p. Metric External Table Chart Thread Designations Sizes M 1. BS 46 Rectangular Taper & Gib Head KeyWay & Key Dimensions All Dimensions in inches. Bearing Bore. Unless otherwise specified, conventional fixed core cylinders will be provided as standard with locksets. Straight-sided splines for cylindrical shafts with internal centering — Dimensions, tolerances and verification. 875" x 0 . Keyway shaft roymech tolerance Gates belts, hoses, and applications: standard & non-standard shaft key Keyway metric broach keyways broaches. dard and must be ordered. 93. Size Size I Note: All bushings include a set screw QD Bushings - Dimensions (inches) over the keyway. 5 +. ball & socket telescoping members guard bushings cross & bearings cross & bearings telescoping members lubricate all fittings with a good quality lithium soap compatible e. 14 mm. Clearance Fit Bore Tol. The dimension from the top of the keyway to the opposite bore side, “T-dim”, is calculated from (refer to ANSI/AGMA 9002-B04) the following: T = bore + (h kw - Ch) Nearly every shaft diameter has a corresponding standard keyway width and depth – this calculator helps you find it. Lock nuts with integral locking . 250"+. 125 0. ISO Hardware Specifications Table. Have your dimensions con-firmed when placing your order or. 25 - M 1. Dimensions standard keyseat keyway shaft shafts diameter nominal Keys & keyways specification Keyway standard chart metric broach pdf charts broaches std Standard. Keyway (Hub) Keyway. SAE Codecage, 3 phase, induction motors lower than 1000V and smaller than 315 Frame Size can safely run continuously at the speed in the table below. Sever the connection between shafts when there's too much torque to protect parts from breaking. Diameter of bolt circle and true location 2. Match case Limit results 1 per page. Parallel keys are the most widely used machine key. Metric keyways are dimensioned by width and depth as measured from the radius of the. Rectangular or square parallel keys and their corresponding keyways (Dimensions in millimetres) 95. A list of standard keyway and corresponding key sizes for English shafts are listed below in Table 1. Keyway tolerance chartWoodruff key cutter size chart Keyway chartGates belts, hoses, and applications:. DIN 6885-1 :- Key, Hub Keyway, Shaft Keyway Details and Dimensions. Nominal Shaft Diameter. Tap new threads with a standard tap. The. Eight times straighter than standard rotary shafts, these tight-tolerance shafts minimize vibrations and reduce wear to bearings and other components. BOTTOM OF SHAFT TO BOTTOM OF KEYWAY. 0. Undersized Key Stock Assortments. Keyways for Milling Cutters and Arbors. The shaft keyway and hub keyway dimensions according to ISO 6887 - taper keys with gib head - are equal to those in ISO 6886 British Standard Metric Keyways for Square and Rectangular Parallel Keys 11 5/16 3/8. Keyways Index. Imperial Standard Bore and Keyway Info Service Manuals. is the Unified (UN) thread form. Integral keyways do NOT work on certain applications and so are recommended for OEM replacement only. Straight-sided splines for cylindrical shafts with internal centering — Dimensions, tolerances and verification. British Standard :BS 46 Part 1 : 1958 Keys and keyways and taper pins. US bricks are known for their durability, strength, and variety of colors. 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. A keyed joint may allow relative axial movement between the parts. T-Nut. 202 to 1012 Height Width Diameter Actual Length Full Radius Flat Bottom Distance Key Below Center No. of one size only. Precision lock nuts . 4mm 8mm 2mm 9mm 12mm 11mm 4mm 4mm 14mm 15mm DIN 7154, H7 Metric. For mounting the hubs of the elastomer coupling are simply pushed onto the shafts and. Frame Size 2 Pole 4 Pole 6 Pole ≦100 5200 3600 2400 112 5200 3600 2400 132 4500 2700 2400 160 4500 2700 24004 black seals visible on standard cross & bearings 4 black seals visible on standard cross & bearings c. It is typically made from a type of clay called fireclay, which is fired in a kiln at temperatures of around 1100 degrees Celsius. bore and key chart, keyway chart, keyway sizes. Metric Key Keyway Dimensions; Parallel Key and Taper Keys Dimensions; Shaft Keyway Shear and. Taper per Ft. Typical steels for locknuts are: AISI, C1015, C1018, C1020, C1025, C1035, C1117, C1118, C1212, C1213, and C1215. standard mounting assembly for qd sheaves and sprocketsKeyways Key Systems Keyway Types 4 keyway multiplex system. Inactive Keyways Many older Corbin Russwin keyways are designated inactive. 188" 1/4" 5/16" 0. Min Max Keyways will be furnished with P9 width tolerance only upon request. W = d / 4 [clarification needed] H = 2d / 3 [clarification needed]. 875, with . ANSI B17. Standard QD Bushings Dimensions (Inches) Bushing Bolt Circle Keystock provided for nonstandard keyways. 3mm 5mm 5mm 5mm 5mm 6mm 6mm 6mm 8mm 8mm 22mm 24mm 16mm 17mm 19mm 20mm 25mm Keyway Width (w) 10mm 3mm 3mm 1. - Series EL couplings supplied with If you are looking for a comprehensive and reliable source of information on jaw type couplings, you should download the Jaw Type Catalog PDF from Lovejoy, a Timken company. • Keys DIN 6885 → Page 842. BS 46 Keys and keyway Dimensions-Parallel Rectangular Ref Standard . D. Max. Socket Set Screws Mechanical Properties ASME B18. Metric Key Keyway Dimensions; Parallel Key and Taper Keys. Omega Standard and HSU elements maintain their service life for any combination of parallel and angular misalignment measurements which fall on or below the line of the respective size . (Dimensions comply with DIN 6885/1) † Requires use of chamfered keys. C, Cotter Pin Hole has centerline. Bore. Also known as Lovejoy® couplings, these three-piece couplings have a spider-shaped cushion between two hubs to reduce shock and handle minor shaft misalignment. All of the measurements listed on the product pages in inches without the keyway width or depth. 5020 2. 109 - - 0. 3mm 2. However, the keyway width recommended for the same standard is 6. >280 Some motors of size > 280 may have different dimensions. Regardless of which unit of length you're using, you'll need to measure the following: width, height, and length. Bush Size Type OD max L mm mm 1008 A 35,0 22,3 1108 A 38,0 22,3 1210 A 47,5 25,4 1215 A 47,5 38,1 1310 A 50,5 25,4 1610 A 57,0 25,4 1615 A 57,0 38,1. pdf Shaft diameterKey steel pulleys belts metric transmissions stationaryengineparts. 3mm 3. In October’s column, I mentioned the typical tolerance for keyways. We carry a wide range of products with keyways, including bushings and roller chain sprockets. Information used with permission of Martin 2007. by Crystal Bemis on August 1, 2022. ICS Code (Keys and keyways, splines): 21. hub runout - max. n Non-standard bores available – consult Lovejoy Engineering. Machine keyway to recommended size and tolerance listed per Table 5. Find the 1610 Series sub-heading 4. Dia Width b Depth. Specification. Attach to machinery to reduce vibration and noise, extending service life and protecting floors. U-Joints. Contact Us. BS 46 Rectangular Taper & Gib Head KeyWay & Key Dimensions. 002-. Non standard bores and over the keyways. 375 inches wide, and 1. A list of standard keyway and corresponding key sizes for English shafts are listed below in Table 1. 36". The common B +0. 313" 3/8" 1/2" 5/8" 3/4" 2 mm. Bore and Key; M200 Metric bore and Key; M200 Spline Bore; M200 SplineClamp; M200 Steel Bushing w Clamp; M200 No Bore; M200 Std. 1875 × 0 . 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. 2 mm, but the shaft had a keyway. AMERICAN NATIONAL STANDARD Bores and Keyways for Flexible Couplings (Inch Series) This is a preview of "ANSI/AGMA 9002-B04". 010 Height (d) (t) - DIM Keyway Width (w) AGMA 9002-A86 Inch Bore and ANSI B17. The depth required for your project is dependent on plank spans and loading requirements. Metric – Rectangular. This Standard covers the size, type and tolerances of parallel and taper keys and keyseats, and their relationship to shaft diameters and bore diameters. Durable. This standard describes sizes and tolerances for straight and tapered bores and the associated keys and keyways, as furnished in flexible couplings. KeyWay /Key Dimensions. Corrosion-Resistant MiniatureRoller Chain and Links. 015/-0. Recommended ANSI Standard Keys and Keyseats Design per. 4 mm. All sizes are in inch units. Check Details. C. One of the following methods should be used to specify keyways: Metric: WxH Key W x T2 Keyway British: WxH12 Key W x H Keyway ISO Standard-mm Imperial -Inches * Groove dimensions for woodruff keys DIN 6888 in accordance with DIN 6885 Sheet 1 (with back clearance) BS 4235 Pt. ANSI B17. Choose from our selection of machine key stock, rounded machine keys, machine keys,. Nom. KHK produces a wide range of standard & special spur gears. Max. 2500 0. 2) Dimension h of the taper key names the largest height of the key, and dimension t z largest depth of the hub keyway. of 1. Keyway Dimensions: Melting Points: Metric Tap Chart: O-Ring Sizes: Pipe Threads: Screw Extractors: Sheet Metal Gauges & Weights: Socket Head Cap Screws: Taper Calculations:. 010 inch, max is provided for offset (due to parallel displacement of keyseat centerline from centerline of shaft or bore) of keyseats in shaft. 1-1967 (R1998) 3/16 7/32 1/4 1 3/4 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. pdf Shaft diameterKey steel pulleys belts metric transmissions stationaryengineparts. ASME B1. Interchangeable cylinders Can be replaced and installed without breakdown of the lock Small format (SFIC) Can be used to replace cores from other brands (Best, Falcon, etc. Nom. . Bushing A B D E L Required Qty. They are also often used on tapered shafts. Standard . ROTEX® Standard - torsionally flexible jaw coupling The original - renowned industrial standard. As bushing bores approach the maximum recommended diameters, keyway depths are reduced in order to extend maximum bores as much as possible. All dimensions are given in inch units. Key KeyWay. All dimensions in mm. 5. Hexagon Socket Head Cap Bolts (Excerpt from JIS B 1176 2014) Hexagon Bolts (Excerpt from JIS B 1180 2014) Hexagon Socket Set Screws (Excerpt from JIS B 1177 2007) Hex Keys (Excerpt from JIS B 4648 2008) Parallel Key and Keyway Sizes and Tolerances. of outside pitch plain hub ltb net teeth diameter diameter bore diameter price. 062 0. Series 500 and 600 Standard Keyway Broach ChartDownload a Printable Keyway Chart. 350 Maximum 2. Standard Keyway Dimensions. Referencing Figure 1, the. of teeth of pulley Material S8M Standard stock 0150 28〜96 Cast iron or carbon steel for machine construction Made-to-order 120〜156 Standard stock 0250 32〜96 Made-to-order 120〜156 Standard stock 0400 36〜96 Made-to-order 120〜156 Standard stock 0600 48〜96 Made-to-order 120〜156 S14M Standard stock 0400. Shaft: Key: Keyway: Nominal Diameter d: Section b x h : Width Shaft & Hub b: Depth: Radius r: Shaft t 1: Hub. 1” and Less +. 750 1 . About half the size of a standard portable lever-operated punch, these punches can fit in your toolbox. Table 1 details the appropriate key slot and key sizes for various metric bores. 02 48000 100-3 3/4 . Threads are American National form, Class 3. 002 - . Read Standard Bore and Keyway Tolerances Inch and mm xls. Choose from our selection of keyway shafts, including keyed rotary shafts, partially keyed rotary shafts, and more. 015. 201 202 1/16 x 1/4 0. BS 4235 Pt. All dimensions are given in inches. inches see page 2 for optional p9 d10 keyway dimensions h w r t2 t d t2 t d m t machinery s handbook pocket companion iemstandard keyway dimensions jrc web web b 0 000 0 015 c 0 002 0 000 d nominal shaft diameter bottom of shaft to bottom of keyway width reference depth. For dimensions in millimeters, multiply inch values, except thread diameters, by 25. height d t dim keyway width w agma 9002 a86 inch boreKeyway metric key iso dimensions standard keyways keys r773 pdf bores shaft hub depth diameter standards engineering table edge width. 104 0. AGMA ASA Keyway and Bores Design Data including dimension and tolerances. Number and size of bolt holes 3. Parallel Key and Keyway Sizes and Tolerances; Retaining Ring (Excerpt from JIS B 2804 2010). m. 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. In stock and ready to ship. --keyway dimensionsKeyway chart diagram hallite. ANSI Woodruff Keys. 1-1967, ASME standard B17. +35 0. 0 (see example below): 1/2. The fewer the choices, the easier it is on engineers. Clean delicate surfaces inside tubes, pipes, and holes. keyways /keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and keyways - Parallel and. ANSI/ABMA Std. 3 mm. 5 in–lbs (0. 1. 25-inch-stroke 327 crank in a 3. 8mm 2. 000 -0. 375 inches wide, and 1. S. Tap for. Dimensions - N, O, P, AB and XO are specific to Baldor. Slightly larger than the size listed, these oversized keys offer a tight fit in worn keyways. 000 Keyway Depth ( t ) All sizes +0. Square keys. 8mm 2. Special Non-Standard Keyway: Our website list “Industrial Standard” Keyway sizes. Technically, Chevy did. Keys and key stock are small metal bars or wedges that fit between an output shaft and the hub of a pulley, gear, sprocket, or other rotating component. They feature a triple-start coupling with anti-decoupling ratchet for high vibration. 1 9. AUR8807FL x RH x 2196 x 626 or AU5407LN x RH x 1210 x 626. Keyways are available as a standard in two-piece rigid couplings. ISO roller chain sprockets are designed to engage British Standard Chain and conform to the ISO 606 standard. dimensions contained in ANSI/AGMA 9002--A86 represented the dimensions and tolerances used within the industry for pre--engineered couplings. 53 9. Keyway width P9 tight fit (standard design) JS9 or N9 loose fit (requires written agreement) Rectangular Keyways Metric; WXHKey W x T2 Keyway ISO Standard — mm Snart Dlameter WI dth Groove dimensions keys DIN 6E-ga Shut 1 (With • 1972. The collar rests on top of the workpiece rather than being supported from below. standard b3 assembly position is shown. Please contact us and we will be glad to quote per your specifications. Below is a reference on shaft diameters and the corresponding keys / keyways according to the prevailing standards. NSI Shaft and Hub Keyseat Dimensions for Woodruff Keys per. A list of standard. --keyway dimensionsKeyway chart diagram hallite.