SKU. S. Metric key keyway dimensions per iso/rtt3 js9 widthStandard and metric keyway broaches Gates belts, hoses, and applications:. Handwheels are supplied without a keyway. Key. Width. As your Tooling Concierge, we use our expertise to. 002 −0 Hub keyway w −0 Shaft keyseat h +0. Cylindrical and 1/10 conical shaft ends — Addendum 1: Checking of the depth of keyways in conical shaft ends. Find the depths to cut in keyway and keyseat. Pds Fire Door Slow. Supplied in fitted case. As a general rule, the key is a tighter fit to the shaft so that the key remains on the shaft during assembly and removal. Choose from our selection of steel metric key stock bars in a wide range. The set contains multiple Keyway Broaches & Collared Bushings in a range of fractional, metric, or inch sizes. You may also refer detailed information on British Standard Metric Keys and Keyways. MISUMI. 2 – 1967, R1990 can be referenced for measuring standard woodruff keys. They have an alternating right- and left-hand tooth style for removing more material at high speeds than straight-tooth keyseat cutters. Category. Width. See dimensions W and h in Figure 1. These shafts have keyways only on the ends, leaving a plain shaft in the center. A list of standard keyway and corresponding key sizes for English shafts are listed below in Table 1. Woodruff keys are semicircular, fitting partly into A*B circular segment keyway with the remainder fitting into a longitudinal slot keyway in the mating part. 000 +. NUMBER OF SHIMS REQUIRED: 3. When broaching in multiple passes, shims are necessary to ensure full keyway depth. Shop All STOREHOUSE. All Types (Page 1 of 2) Metric Key & Keyway Dimensions Per ISO/R773 Js9 Width Tolerance H Key & Keyway Dimensions Millimeters Shaft Diameter D Over. Description. D. The keyways are dimensioned for use with a stock key class 2 in order to get a tight fit combination. Save 66%. Also, T 1 and T 2. As with all functions of the Machinist's Calculator, linear values can be. Also included are appendixes which provide. 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. Also, T 1 and T 2 are notnecessarily equal. b1Tolerance (h9). 18-8 stainless steel key stock offers a balance of strength and corrosion resistance. 6 - M 18. height, and 16 to 25 mm shank dia. , New Berlin, WI 53151-7953 March 2015 (PDF. 70. 2-6 Antimony St, Carole Park QLD 4300, Australia Phone +61 7 3271 5424. Moorland Rd. Dimensions standard keyseat keyway shaft shafts diameter nominal Keys & keyways specification Keyway standard chart metric broach pdf charts broaches std Standard. Our spur gears are offered in many materials, configurations, modules and numbers of teeth. 4mm. 00 $ 471. Imperial systems use inches and feet, and these are the standard units of measurements in the United States. We stock pre keyed shafting in many diameters, including metric diameters, with standard keyways. ISO 3117:1977 Tangential keys and keyways $26. 4. As noted above, when selecting a keyway tolerance, there are two common selections in the metric. $415. ). 1. 00. 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. Keyway Sizes Broach Style Bushing Diameters (bore sizes) 5/8 E23 8, 21 2 8, 3/ 4 E24, 27 8, 3 EDP No. FREE delivery Nov 27 - 30 . Keyway width P9 tight fit (standard design) JS9 or N9 loose fit (requires written agreement) see also. 6002 set contains: 4 x LOM series broaches sizes 4, 5, 6 and 8mm, 9 x. 12" Width ; 24" Width ; Type 321. Carbide Staggered-Tooth Keyseat End Mills. Retention elements such as Splines, flexible couplings, tapered joints etc are also used. 994 products. Products. Detailed width tolerance information is best drawn from the manufacturer. Address. Height. See dimensions W and h in Figure 1. 18 Feb, 2008. These fits and Metric keyways are dimensioned by width and depth as measured from the radius of the shaft to the center of the keyway. Keys available with Square and/or Radius ends. com. Total Height (X) = Depth (Y) = Return to broaching : 2388 State Route 726 Eaton, Ohio 45320 (937) 456-2232 Fax (937) 456-2282 [email protected] Hardware Design Data. For more information, contact our sales department at 906. Woodruff Keyways & Keys. They mill precise notches in rotary shafts to fit machine keys and can also be used for slot milling. The key length should be less than about 1. 1263 1264 [technical data] tolerances of regularly used hole fits excerpts from jis b 0401 (1999) 77 - 56 - 67 - 46 - 56 - 38 - 51 - 33 - 43 - 28 - 36 - 24 - 30 - 20 - 166 - 131 - 146 - 111 - 121 - 91 - 106 - 76 - 86 - 61 - 76 - 51Easily calculate the values required to cut keyseats and keyways. Keyway Width. 00mm; 8. 5. js9 widthTaper keys. Use the middle of the shaft with bearings and other round-bore components. ** For rear clearance Information DIN 6885 page 1 and age 2 differ mainly in the radial position of the parallel key (see sketch). BS 4235-2:1977, ISO 3912-1977: Specification for metric keys and keyways - Woodruff keys and keyways. Key and Their Corresponding Keyways 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 body2 web standard key and keyway sizing figure 1 describes the dimensions used when specifying english and metric keys and keyways english dimensions keyway w x t 1 key. Unless otherwise specified, the shaft keyway is assumed to be standard. Also, T 1 and T 2. 1 out of 5 stars. Gold dichromate plating makes product identification easy. The deviations are less than the basic size. 8mm 2. based on the table on webpage Factors. The rounded ends make it easy to slide gears, hubs, and other components into place. Probably same tool actually made dead nuts for metric keyway but adding a couple of strokes each side for an imperial job. The keyway broaches are offered in A, A1, B, B1, C, C1, D, D1, E, E1, F, and F1 styles. Keyways (Metric) Contributed by. They are called “keys” because they lock a component to the shaft by means of a corresponding keyway in a shaft. We offer the most common American Standard and Metric Pull-Type Keyway Broaches, available either as Industry Standard 500 Series with threaded pull end or 600 Series with notched pull end. 6552. However, since the corner of the keyway is normally chamfered, it is difficult to accurately measure a keyway’s depth during manufacture. Choose from disk, two spoke, and three spoke forms, including DIN 950. DESCRIPTION: Individual Keyway Broach. 4235 : PART 1 : 1972. [July 2023]•Material : 1045 Carbon Steel or Equivalent, 304 Stainless Steel, Stainless Steel, Steel•Shape : Shape A, Shape B For complete product overview a Read more. MANUFACTURERS PART NUMBER: B555144. Keyway metric dimensions key iso tolerance js9 r773 width per depth hub t2 height radius text mill question answered hasnSolved 5. Keyway (Shaft. Since they fit more loosely than standard keys, these undersized keys are best for uneven keyways or when you. 4 out of 5 stars. . 2 Axial run-out locating face/thread: 0,05 to 0,30 mm (0. 5555 S. keyway dimensions metric keyways diameter key shaft hub over incl w h width depth tol. 8mm 3. 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. Value Collection. We are also fully equipped to. web british standard metric keyways for square and rectangular parallel keys 11. Keyway (Hub) Radius r. Moorland Rd. 12 £1,785. 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. Machine keys are pre-cut lengths of metal that insert into the groove of a. Square Keyways. They are called “keys” because they lock a component to the shaft by means of a corresponding keyway in a shaft. 2180 Corporate Lane, Suite 104 ~ Naperville, IL 60563 USA Phone (630) 596-9000 Fax (630) 596-9002 E-mail: [email protected] £55. They are also often used on tapered shafts. Created Date:tolerances and fits for metric bores and keyways. Keyway Width. Metric Clamp-Type Couplings are available in straight-through bores. The following tables show standard dimensions for keys and their grooves. of Teeth Minimum Length of Cut (Inch) Maximum. Choose from a variety of inner and outer diameters, thicknesses, and system of measurement. 2180 Corporate Lane, Suite 104 ~ Naperville, IL 60563 USA Phone (630) 596-9000 Fax (630) 596-9002 Keyway AGMA 9002-A86 Inch Bore and ANSI B17. 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. 5/8 X 5/16. Slightly. 000 +. RoyMech Resources Keyways Taper Square Metric Key and Keyway Dimensions These Pages include various standards. SDS Sheet CERT’s Sheet. l. Gabriele Panella. True metric keystock that conforms to metric keyway specificationsNew Berlin, WI 53151-7953 March 2015 (PDF revision) Telephone: 262-796-4060 Fax: 262-796-4064 Supersedes 07-2006 Standard Metric Keys & Keyways for Metric Bores with One Key • Couplings (Page 2 of 2) All TypesThe keyway broaches are offered in A, A1, B, B1, C, C1, D, D1, E, E1, F, and F1 styles. I can't find one for metric as all my book are for imperial. All Types (Page 1 of 2) ++ Keyways will be furnished per ISO/R773 and Js9 width tolerance unless otherwise specified. 0mm Metric, Standard. Minimum keyseat width is that figure. Table 1 details the appropriate key slot and key sizes for various metric bores. 003, -. Daemar’s Keystock are removable bars that are used to transmit torque from components including couplings, sheaves, sprockets and gears to a shaft. keyways /keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and keyways - Parallel and taper keys. Keyway Broach Sets in extra strong wooden cases Chongqing Yuqing . In stock and ready to ship. Specialty tools designed for cutting keyways in machined holes. Metric Key & Keyway Dimensions Per. Regular Price: $415. 6 - 8 - 10 - 12 - 14 - 16 - 18 - 20 - 22 - 25 - 28 - 32 - 36 - 40 - 45 - 50 - 56 - 63 - 70 - 80 - 90 - 100 - 110 - 125 - 140 - 160 - 180 - 200 - 220 - 250 - 280 - 320 - 360 - 400 KeyWay /Key. The most common metric keyway combinations for small keyways and bores All broach sets are furnished in handsome varnished boxes, and come complete with precision broaches, slotted bushings, and necessary shims. Square keys. 00 $ 119. Linguette - sedi per alberi. 00. They come in fractional or metric varieties (inch or millimeter), offering varying cut lengths. Supplied complete with the necessary shims to cut keyways to standard depth. w Keyway width. KenCut™ KS • F3AU • Radiused • 3 Flutes • Plain Shank • Metric KenCut™ KS Solid Carbide End Mill for Keyway Milling. $999. D1-Style Broach for 10 mm Wd. The flat saddle key is a taper key that fits into a keyway in the hub and is flat on the shaft. S. Material is high quality, cold drawn steel. Cutting Tools / Broaches / Keyway Broach Sets Viewing Page 1 of 2 (16 results). Email This Page Download PDF Printable Page. The keyway is a longitudinal slot in both the shaft and mating part. Category. WIDTH. †. Total Height (X) = Depth (Y) =. Non standard bores and over the keyways. Keyway Dimensions. Here's t. This key stock is undersized, so keys will fit slightly more loosely than standard keys and are best for inconsistent keyways. scope: This standard presents metric dimensions, tolerances, sizes and fits for straight bores, tapered bores, keys and keyways for unmounted industrial flexible couplings. maybe 20. WDS 6024. Keyway dimensionsMetric key keyway dimensions per iso/rtt3 js9 width Inch keyway chart ansi agma shaft key width b4 dimensions diameter nominal reference motor electricKeys keyway metric standard keyways sizes engineering shaft key parallel square fit fits mechanical data rectangular british limits figure. Specialty tools designed for cutting keyways in machined holes. Shaft: Key: Keyway: Nominal Diameter d: Section b x h : Width Shaft & Hub b: Depth: Radius r: Shaft t 1: Hub t 2: Over: Inc: Nom: Tol (D10) Nom:This is a multi-part document divided into the following parts: Part 1 Metric keys and keyways. Gear Products and Suppliers | Gear Knowledge Menu. depth tol. Downloads. 000 Standard Setscrew Locations If one setscrew is furnished the location. You may also refer detailed information on British Standard Metric Keys and Keyways. com. 2 Normative references The following standards contain provisions which, throughreferenceinthistext,constituteprovisionsof this American National Standard. Material options include alloy steel, aluminum, brass, copper, plastic, steel, and stainless steel. d. 5 times the shaft diameter to ensure a good load distribution over the entire key. Keys standard metric keyways mechanicalMetric keyway shaft depth reference dimensions diameter iso r773 width Metric woodruff keys are supplied to din 6888 / iso 3912 in c45k keyKeyway metric dimensions keys. METRIC KEYSTOCK. width, 2 to 20 in. 5 1. r1 and r2. All keyed Shafting is guaranteed to fit on a bearing, and the ends can be chamfered for. 4. In stock and ready to ship. The keyseat in a shaft for a parallel key. Thickness. 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. Hassay Savage 22 Piece 36 Combos HSS Fractional Keyway Broach Set #E-10 - 15315. You can readily employ these keyway broaches on steel and also on various ferrous and non-ferrous materials, including plastics, cast iron, and others. D1-Style Broach for 14 mm Wd. 2 Broaches: A-2 mm, A-3 mm 3 Collared bushings: A-6 mm, A-8 mm, A-10 mm All necessary shims. Keyway broaches are bar-shaped tools with saw-like cutting teeth that are used to create precise keyways in the bore holes of pulleys, gears, washers, and other shaft-mounted. AGMA 9112, Revision B15, February 4, 2015 - Bores and Keyways for Flexible Couplings (Metric Series) This standard presents metric dimensions, tolerances, sizes and fits for straight bores, tapered bores, keys and keyways for unmounted industrial flexible couplings. Brass key stock is corrosion resistant and nonmagnetic. 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. js9 widthKeyway dimensions Key and keyway dimensions (control in motion. See dimensions W and h in Figure 1. Home; Metric Keyways Index page; Parallel Keys and keyway Dimensions; Parallel Keys and keyway Dimensions to BS 4235-1:1972 KeyWay & Key Dimensions. 2 Broaches and 6 Bushings = 12 Keyway combinations. Keyway size charts can come in both imperial and metric measurements. - Series EL couplings supplied with Metric. The keyway broaches are offered in A, A1, B, B1, C, C1, D, D1, E, E1, F, and F1 styles. The height of metric keys decreases by 1 mm for every 100 mm of length. $486. Motor Mass Torque Equation and Calculator. Unless otherwise specified, the shaft keyway is assumed to be standard. In the Metric system it is common practice to specify the key size. Also known as sine keys. Cut precision keyways. Need help peeps. 0. Along with keyway size tolerances and keyway depth sizes, some standards also provide information on the recommended key size, keyway depth as a function of shaft diameter Recommendations for key size,. 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. 4. Metric. New: Width 25 mm added. T. TruKey® Shafting from Keystone is designed to provide the straightest, most accurate keyed shafting, in the industry. keyways available upon request. Install these keys in a drilled and reamed hole to locate fixtures and vises on your machine table. 92. 19-1997 American National Standard Keys and Keyways. Use as is to make shaft larger. 25, 2 x 0. A sprocket with an internal parallel keyway. Palight ProjectPVC 156249 Palight . inch bores with metric keyways; metric bores with inch keyways; metric bores with metric keyways; or shaft keyseat tolerances. British Standard :BS 46 Part 1 : 1958 Keys and keyways and taper pins. 00mm; 3. Woodruff keys work well near shaft shoulders, where a standard open keyway would create too much stress. Made in USA by DuMont. Metric key keyway dimensions per iso/r773. Standard Metric Keys & Keyways for Metric Bores with One Key • Couplings All Types (Page 1 of 2) Metric Key & Keyway Dimensions Per ISO/R773 – Js9 Width Tolerance Key & Keyway Dimensions – Millimeters Falk Coupling Hub Keyway Dimensions – Inches Shaft Diameter “D” Key Size Nominal Keyway Width Hub “W” Keyway Depth Hub “T2. Imperial woodruff keys are measured by their width and diameter, whereas metric woodruff keys are measured by their width and height. PRECISION 12940 at. Cut this stock to length to create the machine key you need. LIFTING EQUIPMENT FOR PERFORMANCE, BROADCAST AND SIMILAR APPLICATIONS - PART 1: SPECIFICATION FOR THE DESIGN AND MANUFACTURE OF ABOVE STAGE EQUIPMENT (EXCLUDING TRUSSES AND TOWERS) BS 46-1:1958. In mechanical engineering, a key is a machine element used to connect a rotating machine element to a shaft. 0625 605671. Check Details. Shaft Bore Keyway Keyway Diameter Nominal Shaft Bore Keyway Keyway Diameter Diameter (Width x Depth) Radius Over to Including Diameter minus Tolerance (Width x Depth) Radius. 50 £122. The most common keyway combinations for large keyways and bores. D1-Style Broach for 14 mm Wd. thck Nom Free Normal Close/Int - - - -. Woodruff Keys. Monark Huny. The inch and metric dimensions here correspond to common values. 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. You can readily employ these keyway broaches on steel and also on various ferrous and non-ferrous materials, including plastics, cast iron, and others. See dimensions W and h in Figure 1. Cut precision keyways— these sets include broaches, bushings, and the necessary shims. Company. I'm looking for. This standard incorporates a small portion of the numerous variations of shaft/bore fits. Check Details. Bushings for smaller arbor holes are collared for easier handling. Superior holding power over set-screw type couplings. Designation - designated as: A parallel key of Type A, width 12 mm, height 8 mm and length 50 mm shall be Parallel Key A 12 x 8 x 50 1. The dimensions and tolerances of interference fit keys shall be given in Table 10 and Table 11. Note that aluminum is also available for lighter-duty applications. Keyway Chart. I show a quick update on the new finished concrete slabs and discuss what's planned for them. Precise 13 Piece HSS Metric Keyway Broach Set - 118 - 30-629-115 $449. width depth tol. D1-Style Broach for 12 mm Wd. $14. 5555 S. In 6 years, I've used the metric set to cut about 10 keyways. 1-1967 (R1998) 3/16 7/32 1/4 1 3/4 2 1/4 2 3/4Metric standard for 2 keyways in a shaft (180 degrees apart) Metric standard for 2 keyways in a shaft (180 degrees apart) Mannes Karsten (Petroleum) (OP) 4 Oct 19 13:41. Metric key keyway dimensionsStandard keyway dimensions Shaft keysRe-design the shaft shown below to be a uniform. 19-1997; Design of Square Key and Keyway (Wood Ruff. This was a great use for a shaper because we didn't have the. b2 tolerance (E9). Another benefit of this shaft key design is quick, hassle-free field replacement. D1-Style Broach for 10 mm Wd. $119. Types of Coupling covered on this pageMetric Keyways Index page; BS 46 Rectangular Taper & Gib Head KeyWay & Key Dimensions; BS 46 Rectangular Taper & Gib Head KeyWay & Key Dimensions. keyways /keys dimension in accordance with BS 4235-1:1972: Specification for. c or r. Keyways cut in certain area’s on the shaft. 6) keyways shown across corners of shaft for drawing purposes only. C +0. 010 / -. Undersized Key Stock Assortments. Please note that the key sizes in parentheses are older sizes that are no longer commonly used. What are the. ANSI/AGMA 9112-B15 describes sizes and tolerances for straight and tapered bores and associated keys and keyways, as furnished in metric flexible couplings. Factors. Standard Metric Keys & Keyways for Metric Bores with One Key • Couplings All Types (Page 1 of 2). Our keyed drive wheels are engineered to withstand demanding industrial applications. For square keys, key width and depth For round keys, key radius or key diameter. Height. Each tooth’s cutting edge is a few thousandths of an inch larger than the one before. 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. , New Berlin, WI 53151-7953 March 2015 (PDF revision) Telephone: 262-796-4060 Fax: 262-796-4064 Supersedes 07-2006. Note: its difficult to tell from the drawing but the depth of metric keyways is typically dimensioned from the tangent of the shaft surface. Taper KeyWay and Key Dimensions : Mechanics : 3 searchable steel databases (free) Home / Metric Keyways Index Taper KeyWay and Key Dimensions. Shaft. ISO Hardware Specifications Table. Cut it to length to create the machine key you need. 70 Metric Hss Keyway Broach Set, 4 mm, 5 mm, 6 mm and 8 mm Keyway Size, Style B and C, 5100-0070. Typically used manually with an arbor press or hydraulic press to produce the keyways. (Dimensions comply with DIN 6885/1) † Requires use of chamfered keys. BN 21050 3575603 wedge anchor M8x50. Where a key is to be used it should be parallel and side fitting with top clearance. 92. Metric. 1, the Metric key size is W x T. Each tooth’s cutting edge is a few thousandths of an inch larger than the one before. They are used on compatible Davis keyseating machines. Metric woodruff keys are supplied to din 6888 / iso 3912 in c45k keyKeyway hallite Keyway chartShaft keys. See ANSI/AGMA 9112-B14 for metric bores with metric keyways. 3) Keyway fillet radius to be specified by customer. Description: Shaped like a saw blade, our keyway broaches and square hole broaches are designed to create holes in unique shapes. Keyway Width. Re-design the shaft shown below to be a uniform,Metric woodruff keys are supplied to din 6888 / iso 3912 in c45k key All torque transmissions resourcesKeyway chart bore resources torque alltorquetransmissions. Roymech resources keyways parallel metric keys and keyway dimensions these pages include various standards. Material is high quality, cold drawn steel, C1020 to C1045. 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. At the. British ISO Metric Screw Threads Designations. com web: Supersedes 4-96Cut keys to custom lengths. 00RoyMech Resources Keyways Taper Metric Key and Keyway Dimensions These Pages include various standards. Shaft /Hub/keyway material (BS EN 10083 C45 normalised. Keys shaft rectangular types key chart hub designs tapered machine selection5/8" od keyed shafting with a 3/16" full keyway Metric key keyway dimensions per iso/rtt3 js9 widthMetric key keyway dimensions. Rapid Design. The sets also contain keyway shims for controlling the. ) max. This British Standard has been approved by The Mechanical Engineering Industry Standards Committee. BS 5686:1986, ISO 14-1982: Specification for straight-sided splines for cylindrical shafts: metric nominal dimensions, tolerances and gauging requirements. 3. 2 Keyways Dimensions for keyways are given in Table 3. Carbide Staggered-Tooth Keyseat End Mills. All setscrews are knurled cup point. b x h. 012 in. metric keyways, metric bores with inch keyways, metric bores with metric keyways, or shaft keyseat tolerances. . Standard Metric Keys & Keyways. Total revolutions of shaft = 900x 10 6 revs. Check Details. 03 Bore Dia. huyett. . The parallel keyway milling process starts by cutting a simple keyway slot, all the way through the axial diameter of the part. The whole. Description: KEYWAY BALL NUTS Rockford Ball Screw stocks over 60 ball nut models including standard ball, preloaded, metric, freewheeling and custom. Surface Finish — Sides and bottom of keyways shall not exceed 250 micro inches. of Shims INCLUDED Tooth Pitch (Inch) No. Sold by Accusize Tools and ships from Amazon Fulfillment. Depending on the slot width tolerance, the following fit or seating results in combination with the parallel key:Rebrisbol Keyway Broach Sets 6Pcs HSS Metric Industrial Tools for Lathe, Keyway Size A - 2mm, A - 3mm and Collared Bushings 6A, 8A, 10A 4. Metric keyways are dimensioned by width and depth as measured from the radius of theshaft to the center of the keyway. Key dimensions: Parallel keys are most commonly used. 1-1967, R1979).