000 +. S. Tool Wrap. If the job comes with. $ 29. Save 66%. Metric key keyway dimensions per iso/rtt3 js9 widthStandard and metric keyway broaches Gates belts, hoses, and applications:. For example, Gear drives, Pulleys or Sprockets are connected securely using keys to the power transmitting shaft. js9 widthTaper keys. I've selected a shear strength = S s = 200 MPa, and a compressive strength = S c = 130 MPa. A key is a machine element used to connect a rotating machine element to a shaft. 7. Category. 1, the Metric key size is W x T. We use keyed shafts in the gear and shaft assemblies in general. Slightly smaller than the size listed in the table, undersized stock is the choice when you need a slightly looser fit or when you have an inconsistent keyway. Keyway metric key iso dimensions standard keyways keys r773. 3mm 5mm 5mm 5mm 5mm 6mm 6mm 6mm 8mm 8mm 22mm 24mm 16mm 17mm 19mm 20mm 25mm Keyway Width (w) 10mm 3mm 3mm 1. The keyway dimensions are also different from the English system. d w +0. 2-1967. D. RoyMech Resources Keyways Woodruff Metric key and Keyway Dimensions These Pages include various standards. In closed keyways, these keys won’t slide along the shaft. SKU. 0 x 1. The sets also contain keyway shims for controlling the depth of the keyway and keyway bushings for guiding and supporting the. 18-8 stainless steel key stock offers a balance of strength and corrosion resistance. Woodruff Keys are an alternative to Parallel Keys. Key dimensions: Parallel keys are most commonly used. One of the following methods should be used to specify keyways: Metric: W x H Key W x T2. 3. 8mm 3. 0470 605670 6 C 0. Height. FREE Returns . Fillet radii comply with AGMA 9002-A86. 0625 605671. Keyways. All Types (Page 1 of 2) ++ Keyways will be furnished per ISO/R773 and Js9 width tolerance unless otherwise specified. None Provided. 3mm 2. For more information, contact our sales department at 906. 1Woodruff keys work well near shaft shoulders, where a standard open keyway would create too much stress. depth. Standard Metric Keys Keyways for Metric Bores with One Key; Keyway Cutter Hole Keyway Dimensional Data for MIlling Centers and Arbors - ANSI/ASME B94. Keyway metric dimensions key iso tolerance js9 r773 width per depth hub t2 height radius text mill question answered hasnSolved 5. SKU. If you don’t see your required size in the above tables, please ask! If you need it often, we’ll add it to our inventory and stock it for you! We can also make special pre-keyed shafts (English or metric) with single, multiple, or interrupted keyways in diameters as small as 1/16″ and as large as 4 1/2. 2M - Woodruff Keys and Keyways. Note: Broaches have a. Inch (ANSI/AGMA 9002-B4) Home; Metric Keyways Index page; Parallel Keys and keyway Dimensions; Parallel Keys and keyway Dimensions to BS 4235-1:1972 KeyWay & Key Dimensions. Straight keys, with a square or rectangular cross section, are the most common type of key. Metric Keyway Broaches: Click for a Bigger Picture. Single point and one pass keyway broaches are provided. Broaches, bushings, and shims that are used together should have the same style designation (usually indicated by a letter or a letter and a number) to ensure a. You can think of them as being Internal (Holes) or External (Shaft) features. WDS 6031. Width Depth Radius Size Over To/Incl. See ANSI/AGMA 9112-B14 for metric bores with metric keyways. keyways /keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and keyways - Parallel and taper keys. Standard keyway dimensionsKeyway chart Keyshaft keyed shaft, diameter 1 7/16 in, keyway 3/8 in x 3/16 inKeyway slot key shaft. 000 +. pdf Gates belts, hoses, and applications: standard & non-standard shaft keyMetric keyway. Marlco keyway broaches litecut metric L3M broach style. 000 -0. As noted above, when selecting a keyway tolerance, there are two common selections in the metric. Metric keyways are dimensioned by width and depth as measured from the radius of the shaft to the center of the keyway. Broaches are for use in hand and hydraulic arbor presses and are great for maintenance and short-run production operations. Get it as soon as Tuesday, Sep 12. DUMONT #10 STANDARD KEYWAY BROACH SET. Key Size. Machining of square shafts with rounded ends (with or without keyways) Other machining available upon request per prints provided (drill, tap, threading) For Keyway MM Dimensions – see the table at. 08Marlco keyway broaching guides litecut metric to suit L1M broach. Shaft and Hub Keyway and Key Sizes. To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. 25, 2 x 0. Choose from our selection of metric keys in a wide. Also, T1 and T2 are. 8mm 3. This key stock is undersized, so keys will fit slightly more loosely than standard keys and are best for inconsistent keyways. But also, there are lots of kinds of other applications. The height of metric keys decreases by 1 mm for every 100 mm of length. All internal calculations are done in metric millimeters to a precision of up to half a micron (0. In October’s column, I mentioned the typical tolerance for keyways. Recommended standard lengths are given in Table 9. 0380 605668 5 B1 0. 6552. 2 1/2. MANUFACTURERS PART NUMBER: B555144. Mill specific holes or keyways in the hub to meet your specifications or weld in place. 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. 5 1. Keyway toleranceKeyway-and-key-size-dimensions. 00 $ 486. Keyway broach sets contain multiple keyway broaches in a range of sizes for creating precise keyways in the bore holes of pulleys, gears, washers, and other shaft-mounted components to lock them to keyed shafts. scope: This standard presents metric dimensions, tolerances, sizes and fits for straight bores, tapered bores, keys and keyways for unmounted industrial flexible couplings. Keys and keyways are a very important part of shafts and power transmission. 00mm; 8. Offered in 2 to 45 in. Metric Woodruff Keys are semicircular keyways used to lock rotating elements onto shafts. Metric Key Keyway Dimensions Per ISO/R773 - Js9 Width Tolerance. Made of chemical-resistant 18-8 stainless steel, these metric screws have an extra-soft nylon tip that reduces the noise, vibration, and damage that can occur from metal-on-metal contact. ). 3. Hole-Mount Fixture Keys. The keyseat in a shaft for a parallel key. Bold italic type indicates bushes made of ductile material. Cart Assmble. Please note that the key sizes in parentheses are older sizes that are no longer commonly used. The keyways correspond to the ASME USAS B17. keyway dimensions metric keyways diameter key shaft hub over incl w h width depth tol. I'm looking for. 9mm. 44 Descriptors : fasteners, cotter Pins, dimensions, specifications. For technical drawings and 3-D models, click on a part number. Materials include cast iron, aluminum, plastic, and duroplastic. Common Uses: Original equipment, including motors, gear boxes, gear reducers, and. S. 994 products. . Metric keyways are dimensioned by width and depth as measured from the radius of the Shaft to the center of the Keyway. Referencing Figure 1, the Metric key size is W x T. Read more on how keys and keyways work and what types are available – Keys and Keyways. KeyWay /Key Dimensions. NA0139-1993 KEYWAY AND KEY SLOT DIMENSIONS METRIC $14. 740. Use these end mills for general purpose keyseat cutting in a wide range of material, including aluminum, iron, and steel. Although similar in principle to BS 46-1, for inch. Key (engineering) In mechanical engineering, a key is a machine element used to connect a rotating machine element to a shaft. BS 4235-2:1977, ISO 3912-1977: Specification for metric keys and keyways - Woodruff keys and keyways. Factors. Shaft and hub keyways are often cut on key seating machines but can also be made using broaching, milling, shaping, slotting EDM. You can measure B directly using a depth mic. . What are the. For technical drawings and 3-D models, click on a part. See dimensions W and h in Figure 1. Cross-section of a parallel keyed joint. Also known as half moon keys. BS 46 Square Taper & Gib Head KeyWay & Key. See dimensions W and h in Figure 1. Keyway Depth. 001 −0 Key. PFEIFER INDUSTRIES, LLC. All keyways are cut to ANSI standards. Cut keys to custom lengths. Are there any standards for Metric bores and / or keyways? There many standards that cover the topics of metric bore tolerances, fits and keyway sizes. 1 Retaining screws, jacking screws and spring dowel sleeves for keys are given in Table 2. Metric. Metric Stainless Steel Nylon-Tip Set Screws. AHC-10000. Precision Brand® Metric Keystock is used to accommodate metric keyways. Carbide Staggered-Tooth Keyseat End Mills. web british standard metric keyways for square and rectangular parallel keys 11. The sets also contain keyway shims for controlling the depth of the keyway and keyway bushings for guiding and supporting the. We are also fully equipped to. This shafting is true and straight and needs no turning, but if keyways are cut in the shaft, it must usually be straightened afterwards, as the cutting of the keyways relieves the. pdf Key sizeKeyway metric key iso dimensions standard keyways r773 keys pdf bores shaft hub depth diameter standards engineering table edge width. The Keyway dimensions are also different from the English system. Motor Mass Torque Equation and Calculator. Machine keys are sometimes called shaft keys, or sunk keys, and are available. Thread a screw through the tapped hole to pop these keys out of a keyway. 0284, email us, or fill out and submit our online request for quote form. 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. Cut this stock to length to create the machine key you need. 2 Keyways Dimensions for keyways are given in Table 3. They are available in sizes from 1/4" to 1 1/4” in steel for high strength and stainless steel for corrosion resistance. Brass key stock is corrosion resistant and nonmagnetic. OVERALL LENGTH (OAL): 15-1/4". Keyways (Metric) Results 1-6 of 6 < Previous Page 1 Next Page > Results per page: Name. Keyway key metric dimensions iso shaft tolerance js9 r773 per standard t2 width sizes question shafts hasn answered yet beenSee ANSI/AGMA 9112-B14 for metric bores with metric keyways. +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. Email This Page Download PDF Printable Page. It may be mildly magnetic. Where a key is to be used it should be parallel and side fitting with top clearance. 8mm C-1 Type HSS Keyway Broach; 20mm C Type Collard Bushing; 7mm C Type HSS Keyway Broach; 6mm C-1 Type HSS Keyway Broach (1) Made in USA. At the time of PFEIFER INDUSTRIES, LLC. British Standard :BS 46 Part 1 : 1958 Keys and keyways and taper pins. Shaft bushing boreMetric hex key wrench sizes wrenches 36mm 7mm bloomertool Metric keyway tolerance chartG. Available applications include Keyways in Tapered Bore. 1 offer from $14. The common KeywayKeyways are available as a standard in two-piece rigid couplings. 1. Referencing Figure 1, the Metric key size is W x T. Keyway metric broach keyways broachesKeyway sizing chart Keyway chartKeyway metric dimensions key iso tolerance js9 r773 width per depth hub t2 height radius text mill question answered hasn. We stock duMONT keyway broaches in a range of sizes (American Standard or Metric) and coatings (Std, TiN, TiAlN) ideal for short run production and general maintenance. Standard Metric Keys and Keyway Bores. 4mm 8mm 2mm 9mm 12mm 11mm 4mm 4mm 14mm 15mm DIN 7154, H7 Metric Bore and DIN 6885, Js9 Square Keyway Tolerances Page 1 of 4 Keyway metricFalk_metric_key_keyway. width x. 1 out of 5 stars. Check Details. From £560. Specialty tools designed for cutting keyways in machined holes. Here's a quick video showing how to use a keyway broach set, including discussing the parts and tools involved, and the pitfalls you might encounter. keyways & keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and keyways - Parallel and taper keys Coping with foreign bore and keyway standards | Machine Design. Metric Key & Keyway Dimensions Per ISO/R773 – D10 Width Tolerance ‡. Serves aerospace, automotive, medical, government, and education. The cutting edges increase until they reach the required size. With and without keyway. Metric Key Keyway Dimensions. To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. pdf), Text File (. In mechanical engineering, a key is a machine element used to connect a rotating machine element to a shaft. Use the middle of the shaft with bearings and other round-bore components. Email This Page Download PDF Printable Page. Carbide Staggered-Tooth Keyseat End Mills. Free returns are available for the shipping address you chose. Metric Keyway Broach HSS, Type B 4mm. 00RoyMech Resources Keyways Taper Metric Key and Keyway Dimensions These Pages include various standards. All keyways are accurately machined and straight with no bowing or twisting. Broaches are for use in hand and hydraulic arbor presses and are great for maintenance and short-run production operations. 0mm Metric, Standard. 18 Piece, 1/8 to 3/8″ Keyway Width, Style B & C Keyway Broach Set. Whether your project demands standard or metric keyways, we have you covered. Keyways Stock Tool Holders for Inch and Metric Keyway and Slotting Inserts. Keyway Broach Sets in extra strong wooden cases Chongqing Yuqing . 542. 1, the Metric key size is W x T. yokelome. Metric Key & Keyway Dimensions Per ISO/R773 – D10 Width Tolerance ‡ Key & Keyway Dimensions – Millimeters Coupling Hub Keyway Dimensions – InchesBritish Standard Metric Keyways for Square and Rectangular Parallel Keys 11 5/16 3/8 7/16 1/2 3/4 3/4 7/8 Nominal Diameter, d 6 1/2 7 1/2 9 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. Marlco keyway broaches litecut inch L0 broach style. tolerances and fits for metric bores and keyways. Brass is softer than other metals, so it's often used for shear keys. Use them in light duty applications to connect gears and other components to shafts. 5555 S. 42Rounded keys fill oval keyways completely, reducing stress on the key and shaft. True metric keystock that conforms to metric keyway specifications. Regular Price: $415. WDS 6032. . . The keys and keyways followed the recommendations of ISO. Thin parallel tkeys and their corresponding keyways (Dimensions in millimetres) Clavetage par clavettes paralldes minces (Dimensions en millim&res) First edition - 1974-08-15 UDC 621. 1 Woodruff Keys. Brass is softer than other metals, so it's often used for shear keys. Made of chemical-resistant 18-8 stainless steel, these metric screws have an extra-soft nylon tip that reduces the noise, vibration, and damage that can occur from metal-on-metal contact. The collar rests on top of the workpiece rather than being supported from below. Keyway dimensions hub metric keyways t2 british bores js9 r773 wxhMetric key keyway dimensions Calculator for designing shaft keysAgma keyway bores engineers edge asa data fit llc copyright 2000 2021. Both the shaft and the component must be machined with a keyway of the appropriate size and style for the key to be used. Width. Couplings can be additionally modified with new JIS keyways based on JIS B 1301. 19-1997; Design of Square Key and Keyway (Wood Ruff) Stress, Shear and Torque; Parallel Key. PFEIFER INDUSTRIES, LLC. 0005mm). Standard keyways are machined to two specifications: • Bore Codes prefixed with a “P” denote a metric keywayStay organized with Keyway Broach Sets. Keyway metric key iso dimensions standard keyways keys r773 pdf bores shaft hub. Keyway. MSC Industrial Supply Co. A keyway is a slot that is cut on a gear, pulley, or shaft which covers the other half of the key projecting out of the shaft in which it is seated. Keyways provide added torque capacity and fixed shaft phasing. Keyway dimensionsKeyway aii Metric keyway tolerance chartShaft and hub keyway dimensions. Roymech resources keyways parallel metric keys and keyway dimensions these pages include various standards. REFERENCE DEPTH. 000. 4. 002 to 0. Table 1 details the appropriate key slot and key sizes for various metric bores. Distributor of keyway broaches made from high speed steel material. Key (engineering) In mechanical engineering, a key is a machine element used to connect a rotating machine element to a shaft. ( A ) Bottom of Keyway to Bottom of Shaft ( B ) Keyway Width ( C ). 80 Metric Keyway Broach Set In Box With Shims And Bushings,Keyway Broach Set,Metric Keyway Broach,Broach Set With Shim from Broach Supplier or Manufacturer-Chongqing Yuqing Machine Tools Co. Keys and keyways. A rectangular key is generally used for shaft diameter between 1” (25 mm) and 20” (500 mm) Generally, these have a reduced effect on the shaft due to its shallow keyway depth. Fully metric, including clamp screws; Mate two shafts with zero backlash; Keyways provide added torque capacity and fixed shaft phasing; Keeps one shaft in place while the other is moved or changed; Smooth bore protects shafts from damage; Designed for aligned shafts, the 3-Piece Clamp-Type Coupling makes two shafts function as one. - Series F couplings supplied with 4) All dimensions per AGMA 9002-A86 interference fit bores without set screws commercial standards. In October’s column, I mentioned the typical tolerance for keyways. b2 tolerance （E9）. Keyway Formulae Inch Square (Preferred) Parallel Keys and Keyways (ANSI B17. 4. CAD Available in 2D and 3D. No welding required. 1 Keys Dimensions for keys are given in Table 1 read with Fig. Remachineable Couplings are complete, except that they are supplied with a precision finished bore with standard keyway on one side and a pilot hole only on the other. When broaching in multiple passes, shims are necessary to ensure full keyway depth. BS 46 Keys and keyway Dimensions-Parallel Rectangular Ref Standard . Get In Touch. The Metric system does not refer to keyseat or keyway dimensions as does. 4mm 1mm 1. imperial (pre-war) keyways diameter key shaft hub over incl w h width tol. 1 offer from $165. S. Metric – Rectangular B. All standardsRoyMech Resources Keyways Taper Metric Key and Keyway Dimensions These Pages include various standards. Keyway standard dimensions keyseat pdf printer friendly information. KBC #70 METRIC KEYWAY BROACH SET. Metric Keyway Calculator. Metric key keyway dimensions per iso/r773. 16 0. To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. l. 0mm to 26. Imperial (inch) keyways are typically dimensioned from a chord line that intersects the keyway sides and the shaft surface. Slightly. Detailed width tolerance information is best drawn from the manufacturer. BS 46 Rectangular Taper & Gib Head KeyWay & Key Dimensions Ref Standard . Shaft coupling shaft hole additional modification serviceTaper keyway keyways gib roymech diameter bs radius Keyshaft keyed shaft, diameter 1 7/16 in, keyway 3/8 in x 3/16 inKeyway metric. 19-1997; Design of Square Key and Keyway (Wood Ruff. TruKey® Shafting from Keystone is designed to provide the straightest, most accurate keyed shafting, in the industry. zzz. Metric Keyways Dimensions ISO/R773. maybe 20. None Provided. 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 Recommendations for key size, length and keyway depth as a function of shaft diameter are provided in ASME Standards B17. Keyway toleranceKeyway-and-key-size-dimensions. ISO 2492:1974 Thin taper keys with or without gib head and their corresponding keyways (Dimensions in millimetres) $26. SDS Sheet CERT’s Sheet. Carbide Staggered-Tooth Keyseat End Mills. 4 x 4 1 1 0. The keyway broaches are offered in A, A1, B, B1, C, C1, D, D1, E, E1, F, and F1 styles. stocks DIN 6885 Metric Shaft Keys in carbon steel; other. The following standard containprovisions which, through reference in this text, constitute provisions of s this American National Standard. The keyway dimensions are also different from the English system. FREE delivery Nov 27 - 30 . height, and 16 to 25 mm shank dia. Fully machineable to change size or configuration. Eliminates need for complete shaft replacement. 8mm 2. In 6 years, I've used the metric set to cut about 10 keyways. 2 Broaches: A-2 mm, A-3 mm 3 Collared bushings: A-6 mm, A-8 mm, A-10 mm All necessary shims. Gold dichromate plating makes product identification easy. The keys and keyways followed the recommendations of ISO R773:1969 and shaft tolerances followed ISO R775:1969. 92. 8mm 2. DAV SYSTEMS SRL. zzz. 8 10 12 17 22 30 38. Note: its difficult to tell from the drawing but the depth of metric keyways is typically dimensioned from the tangent of the shaft surface. Check Details. Pds Fire Door Slow. Cylindrical and 1/10 conical shaft ends — Addendum 1: Checking of the depth of keyways in conical shaft ends. Lock pulleys and gears securely with these woodruff keys Read More. Bore Keyway Fillet Key (D) Tol. Note: Tables of the various factors and design strengths are found on webpage. Our tool holders designed to work exclusively with duMONT Stock Keyway and Slotting Inserts are heat treated tool steel, hardened to 58/60 HRC at the Insert seat providing resistance to deformation and longer tool life. 824. We are also fully equipped to custom manufacture any Special Keyway Broach orders not listed in our catalog. From £66. 2 The standard does not deal with misalignment or offset greater than can be accommodated withinMetric square keys assortment (m4 thru m8)Keyway metric Standard metric keys keyways for metric bores with one keySquare metric keys assortment thru m8 m4 hillman. Keyways will be furnished with P9 width tolerance only upon request. See dimensions W and h in Figure 1. A radius transition between the floor and wall increases the component’s durability, preventing cracks from stress peaks. 18-8 stainless steel key stock offers a balance of strength and corrosion resistance. From £59. Labels: Machine Elements. 10" Width ;Metric Keyway Broaches (High Speed Steel) About RDG Tools. Shaft Stress and Deflection. Dimensions standard keyseat keyway shaft shafts diameter nominal Keys & keyways specification Keyway standard chart metric broach pdf charts broaches std Standard. Available in a variety of sizes and materials including lead-free steel, stainless steel, and high grade aluminum (for low inertia). All Ruland rigid couplings are RoHS3 and REACH compliant. 3mm 3. SKU. Keyway Chart. 3mm 2. Keyway. Are you looking for Mechanical Engineering Books? <click here>. The spoked design allows a better grip around the rim than solid hand wheels to manually adjust valves, presses, and machine components. 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. At the time of publication, the edition indicated was valid. Cart Assmble. Keyway (Shaft. Labels: Machine Elements. PRECISION BRAND Metric keystock is used to accommodate metric keyways; True metric keystock that conforms to metric keyway specifications; Material is high quality cold drawn steel C1020 to C1045; Gold zinc dichromate plating on most sizes makes product identification easy; All sizes meet ISO R773 and BS 4235,. Keyway Width. See ANSI/AGMA 9112-B14 for metric bores with metric keyways. Total revolutions of shaft = 900x 10 6 revs. *Other keyways are available upon request. Check Details. ISO 3117, Tangential keys and keyways; ISO 4200, Plain end steel tubes, welded and seamless ? General tables of dimensions and masses per unit length; ISO 5753, Rolling bearings ? Radial internal clearance. Inch. Keyway slot key shaft keyways internal external suitably drill milling produce sized required access form machine fitShaft coupling shaft hole additional modification service Keyed shafting keyway pinitKeyway shaft keyways metric bores mechanical wxh shapes. Metric Keys and Key Steels in Steel C45 for fast delivery from stock. Woodruff keys work well near shaft shoulders and on tapered shafts. 32R36 In this example only the second bore will have a keyway. 11131 Std plain bushings only 11331 TiN plain bushings only No. Marlco keyway broaching guides litecut metric to suit L0M broach. b1Tolerance （h9）. All setscrews are placed directly over the keyway. The most common keyway combinations for large keyways and bores. 0310 605667 4 B1 0. The main advantage of the Woodruff key is the elimination of milling near. keyway (bs 4235 - part i) Description. Keyways (Metric) Results 1-6 of 6 < Previous Page 1 Next Page > Results per page: Name. clearance fit bores with set screws. • Keyways available in diameters from ½" to 4-1/2" • Metric Diameters from 6mm to 125mm • Keyways available in diameters from 10mm to 65mm. Dimensions and tolerances of metric keyways for parallel keys (source:BS 4235-1: 1972) 1, the Metric key size is W x T. For example: a keyway. Design of Standard Metric Keyways for Square and Rectangular Parallel Keys. . The dimensions and tolerances of interference fit keys shall be given in Table 10 and Table 11. Brass key stock is corrosion resistant and nonmagnetic. The second is a P9. All 8mm Pulleys. Unless otherwise specified, the shaft keyway is assumed to be standard. Imperial woodruff keys are measured by their width and diameter, whereas metric woodruff keys are measured by their width and height. Dumont #70 17 Piece 26 Combo HSS Metric Keyway Broach Set - 44498 - 30-600-070. Step Machine Key Stock. Added on. width depth tol.