All bushings for metric broaches are available. Keystock. b x h 1 x D. The Woodruff keys is a semi-circular disc and fit into a circular recess in the shafts, which is machined by a Woodruffs keyway cutter. 010 / -. They have metric threads and four equally spaced slots located around their circumference to accommodate a spanner. Width. Dimensions and tolerances of metric keyways for Woodruff keys Shaft key selection and keyway design should consider key types, correct fit, Key material, shaft material, load, fatigue & safety factors. Keyway standard dimensions keyseat pdf printer friendly information. (Dimensions comply with DIN 6885/1) † Requires the use of. See dimensions W and h in Figure 1. c or r. Please note that the key sizes in parentheses are older sizes that are no longer commonly used. Key dimensions: Parallel keys are most commonly used. Keyway Depth. The tool is perfect for creating precise keyways in the boreholes of pulleys, gears, washers, and other shaft-mounted components. . They are called “keys” because they lock a component to the shaft by means of a corresponding keyway in a shaft. 3mm 2. Where a key is to be used it should be parallel and side fitting with top clearance. 4 broaches: 4mm B1, 5mmB1, 6mm C, 8mmC 13 Collared. 0125 10 11 008 016 0125 0125 14 15 008 0. Keyway cutter for slot machining of shaft to hub connections. O. Square keys. Choose from our selection of keyed bushings, including shaft collars, rigid shaft couplings, and more. I'm looking for. Choose from our selection of arbor shims, including ring shims, shims for keyed shafts, and more. Specification Keyway metricFalk_metric_key_keyway. These general purpose saws are good for cutoff, slitting, and slotting applications in a wide range of materials, including aluminum, iron, and steel. Minimum keyseat width is that figure. Source: heavydutydepot. Key & Keyway Dimensions - Millimeters Shaft Diameter Key Size Keyway Width Keyway Depth Keyway Radius "D" Nominal Hub "W" Hub "T2" "R" Over Thru Width "W" Height "H" Nominal Min Max Min Max Min Max 6 8 2 2. thck Nom Free Normal Close/Int - - - -. * 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). Metric preferred hole based system of fits . 00. Width Depth Radius Size Over To/Incl. 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. 22Pcs Keyway Broach Sets, Industrial Tools for Lathe, Metric Size 4mm B1, 5mmB1, 6mm C, 8mmC Broaches, 13pcs Bushings and 5pcs Shims Metalworking Tool (22Pcs) $159. Corresponding Keyways-- ISO R775 (withdrawn 1998), Cylindrical and 1/10 Conical Shaft Ends-- ANSI/AGMA 9002--B04, Bores and Keyways for Flexible Couplings (Inch Series) The intent of this document is to offer designers and users of flexible couplings preferred dimensions, tolerances and fits for metric bores and keyways. 99 $169. The deviation determines if the. 4 mm: Keyway Width: 1. Price Match. Keyways provide added torque capacity and fixed shaft phasing. Keyway Broach 1/16 to 1-1/2 Inch, 2. The keyway broaches are offered in A, A1, B, B1, C, C1, D, D1, E, E1, F, and F1 styles. The first is Js9. Keyway Depth (Normally 1/2 of width) Total Height (X) = Depth (Y) = Metric Calculator Bore Size. $250. Stock lengths from 3 feet to 24 feet. They are also often used on tapered shafts. keyway (bs 4235 - part i) Description. Check Details. imperial (pre-war) keyways diameter key shaft hub over incl w h width tol. for proper strength . 92. 5mm) wide which is cut on our KEYSEATER. (Page 2. Use it when parts need to be taken apart frequently, such as. Stock lengths from 3 feet to 24 feet. Rexnord Industries, LLC, Coupling Group 427-108 5555 S. Replacement or Extra Shims are provided in Shim sets corresponding to the Broach size and letter designation in the quantity necessary to cut to standard depth. n Metric keyway tolerances conform to ANSI/AGMA 9112 Normal keyway width tolerance. Lead Time Reduction. BS ISO 4156:2005_1: Straight cylindrical involute splines. Setscrews are semipermanent fasteners that hold collars, pulleys, or gears on shafts. 401/2 Heavy Duty Set Same as No. Referencing Figure 1, the keyway dimension is W x T 1. The rake and relief angle of the teeth provide efficient broaching of mild steel. 05 to 48 in. 6 - 8 - 10 - 12 - 14 - 16 - 18 - 20 - 22 - 25 - 28 - 32. Woodruff keys work well near shaft shoulders, where a standard open keyway would create too much stress. The following tables show standard dimensions for keys and their grooves. You can readily employ these keyway broaches on steel and also on various ferrous and non-ferrous materials, including plastics, cast iron, and others. 03 Bore Dia. This key stock is undersized, so keys will fit slightly more loosely than standard keys and are best for inconsistent keyways. They are called “keys” because they lock a component to the shaft by means of a corresponding keyway in a shaft. S. 3D Printing & CAD. Rebrisbol Keyway Broach Sets 6Pcs HSS Metric Industrial Tools for Lathe, Keyway Size A - 2mm, A - 3mm and Collared Bushings 6A, 8A, 10A 4. 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. The keyway dimensions are also different from the English system. 1/2″ Inside x 1-1/8″ Outside Diam, One Piece Split Clamping Collar with. Choose from our selection of shims for keyed shafts, unthreaded spacers for keyed shafts, shim sets for keyed shafts, and more. . t1. In closed keyways, these keys won’t slide along the shaft. Woodruff Keys. Keyway Width. S. The sidewall dimension is measured from the corner where the keyway intersects the bore to the topof the keyway. If the job comes with the bore already fitted lightly knurl a slug of the same material to get enough of a press fit so it stays in place when the drill goes through. BS 46 Rectangular Taper & Gib Head KeyWay & Key Dimensions Ref Standard . What is keyway factor? It is the ratio of the strength of the shaft, with and without the keyway. The lock washers engage a keyway in the shaft or adapter sleeve thread. --keyway dimensionsKeyway chart diagram hallite. Unless otherwise specified, the shaft keyway is assumed to be standard. The stock gears supplied by KHK are, with exception of CP gears, mostly module based metric gears and are widely used all over the world. Specification. Shaft Diameter : Keyway (Shaft : Keyway (Hub) Radius r : D: Width:Key and keyway design pdf. Metric Key & Keyway Dimensions Per ISO/R773 – Js9 Width Tolerance H Key & Keyway Dimensions – Millimeters Falk Coupling Hub Keyway Dimensions – Inches Shaft Diameter Key Size Keyway Width Keyway Depth Keyway Radius Shaft Diameter. One of the following methods should be used to specify keyways: Metric: W x H Key W x T2. Metric keyways are dimensioned by width and depth as measured from the radius of the shaft to the center of the keyway. note form tolerancing Hole Tolerance = . The following is listing. American Standard; 0. This key stock is stepped to match repaired keyways in shafts or gears. 040”, . 1. 30 3. A rounded bottom allows these keys to rock in their seat to relieve stress on the shaft caused by vibration or misalignment. 025 Shaft Tolerance = . 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. Find the depths to cut in keyway and keyseat. Cut it to length to create the machine key you need. Figure 2 Keyway Sizes. Woodruff keys work well near shaft shoulders and on tapered shafts. Metric Key & Keyway Dimensions Per. Per BS 4235-1:1972: Specification for metric keys and keyways – Parallel and taper keys. Standard External Metric Thread and Fastener Sizes M 0. Interference Fit Bore Tol. 1 Square Keyway Tolerances Minimum 2. Keyway Sizes Broach Style Bushing Diameters (bore sizes) 5/8 E23 8, 21 2 8, 3/ 4 E24, 27 8, 3 EDP No. WDS 6063. Designed for aligned shafts, the 2-Piece Clamp-Type Coupling makes two shafts function as one. Carbon steel (AISI-1045) or stainless steel (T304 or T316) Custom shaft sizes and key sizes. We also cut keyways in blind hole conditions, including blind keyways with a groove relief at. KenCut™ KS keyway milling cutters are the ideal solution to machine key slots for a shaft-to-hub connection. For a key to function, the shaft and rotating machine element must have a keyway and a keyseat, which is a slot and pocket in. 3D Printing & CAD. They conform to ANSI B17. Key dimensions: Parallel keys are most commonly used. The keyway dimensions are also different from the English. com. 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. number with a “P” for metric keyways or an “R” for an inch keyway. 46 : PART 1 : 19581. MB Series. Type. See dimensions W and h in Figure 1. Also, T 1 and T 2. See dimensions W and h in Figure 1. Rounded keys fill oval keyways completely, reducing stress on the key and shaft. 0010. 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. . 00. 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. ANSI Woodruff Keys. Metric. Shaft (Arbor) Keyway Dimensionl Data - ANSI/ASME B94. 11131 Std plain bushings only 11331 TiN plain bushings only No. Metric Key Keyway Dimensions Per ISO/R773 - Js9 Width Tolerance. How big should a keyway be? Metric – Rectangular B. Not to long after that, I bought a Dumont inch set. 9 Mil 1956 10-49. I needed to make 6 metric keyways in some drive coulings, so I bought a small metric broach set. 0005 / -. 0000 /-. Cut it to length to create the machine key you need. Depending on the slot width tolerance, the following fit or seating results in combination with the parallel key:This is an undersized clearance. com, which includes; Gold Dichromate Plated Finish , Steel Material , 10 mm Width , 12 in Length , 8 mm Thickness. Also known as jaw couplings, use them to connect motors to pumps, mixers, and other high-torque equipment. 060”? They are clear. Standard keyways are machined to two specifications: • Bore Codes prefixed with a “P” denote a metric keywayMarlco keyway broaching guides litecut metric to suit L1M broach. To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. 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. METRIC: Keyway Length: 6 in. The key length should be less than about 1. Set the anvil over the keyway and measure down it keying a shaft, and using a standard mic if keying a bore. Bushings for smaller arbor holes are collared for easier handling. This catalog covers the features, benefits, dimensions, selection, and installation of various jaw type couplings, including the industry-standard L type. Note that aluminum is also available for lighter-duty applications. Step Machine Key Stock. 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. pdfMetric key keyway dimensions per iso/rtt3 js9 width. A tolerance is described using a letter followed by a number. 19-1997. 11131 Std plain bushings only 11331 TiN plain bushings only No. 00 #46. Check Details. Limit form vs. Keyway Depth. Marlco keyway broaching guides litecut metric to suit L3M broach. The collar rests on top of the workpiece rather than being supported from below. Corresponding Keyways-- ISO R775 (withdrawn 1998), Cylindrical and 1/10 Conical Shaft Ends-- ANSI/AGMA 9002--B04, Bores and Keyways for Flexible Couplings (Inch Series) The intent of this document is to offer designers and users of flexible couplings preferred dimensions, tolerances and fits for metric bores and keyways. Currently unavailable. You can readily employ these keyway broaches on steel and also on various ferrous and non-ferrous materials, including plastics, cast iron, and others. 2 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. 1265 0. When broaching in multiple passes, shims are necessary to ensure full keyway depth. Return Policy. Get it as soon as Tuesday, Sep 12. A square key is used if the deeper key depth is required to transmit torque. And the dimension is added from the bottom of the keyway to the bottom perimeter of. Standard size of b1 and b2. Metric keyways are dimensioned by width and depth as measured from the radius of the shaft to the center of the keyway. High-Torque Set Screw Flexible Shaft Couplings. Woodruff keys work well near shaft shoulders, where a standard open keyway would create too much stress. 360 Minimum 2. 50+ bought in past. Model #: WBB556675 (1) 1. Type 309. Clearance Fit Bore Tol. g. 1 offer from $165. Tool Wrap Close Child Menu. $14. l. Metric Key & Keyway Dimensions Per ISO/R773 – D10 Width Tolerance ‡ Key & Keyway Dimensions – Millimeters Coupling Hub Keyway Dimensions – InchesMetric keyseat cutters are made of HSS. MCLC - With Keyway, Metric; Keyed Rigid Couplings: One-Piece, Metric Clamp style one-piece rigid couplings with keyed bores for additional torque capacity and metric dimensions. Find many great new & used options and get the best deals for duMONT Minute Man #70 Metric Keyway Broach Set 44498 at the best online prices at eBay! Free shipping for many products!The hub keyway is dimensioned by its width and depth on the shaft – keyway sides. Dimensions of parallel keys and taper keys. In stock and ready to ship. High-Torque Set Screw Flexible Shaft Couplings. This makes certain shaft keys – like Form A keys – match. Also known as half moon keys. The main advantage of the Woodruff key is the elimination of milling near. 015. 5") is omitted, it specifies coarse pitch threads. Dia Width b Depth. They meet DIN 6887, an international standard for machine keys. I've selected a shear strength = S s = 200 MPa, and a compressive strength = S c = 130 MPa. Metric trapezoidal thread, 7H: ISO 2903 Axial run-out locating face/thread: 0,06 to 0,16 mm max. 012 in. 5 times the shaft diameter to ensure a good load distribution over the entire key length when the shaft. 5. rad 10 12 4 4 2. Bore sizes range from 3/8” to 3” and 8mm to 65mm. Detailed width tolerance information is best drawn from the manufacturer. A. Source: machined many keyways into parts for engineers who dont know the difference between A and B, the machinist handbook uses B so whomever made the mating part also measured using B. Woodruff Keys. 3. 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. 2 Axial run-out locating face/thread: 0,05 to 0,30 mm (0. S. Keyway Metalworking Keyway Broaches, Metalworking Keyway Broaches, Dumont Metalworking Keyway Broaches, Square Metalworking Keyway Broaches, Metric Automotive Threading Tools, Glass Cutter Cutting Tools, Tube Cutter Cutting Tools, Pipe Cutter Cutting Tools, Wright Tool Metric Wrench Sets, Klein Tools Bolt Cutter Cutting ToolsIn the English and American system, the keyway in the hub is dimensioned by the width and the depth at the side, but in the metric system the keyway is dimensioned by the width and the depth measured from the raduis of the shaft to the center of the keyway. These keys have a rounded shape that makes them easy to remove when parts need to be taken apart frequently. Keystock. PFEIFER INDUSTRIES, LLC. Shaft: Key: Keyway: Nominal Diameter d: Section b x h : Width Shaft & Hub b: Depth. Made of Grade B7 steel, the tensile strength of these threaded rods is one and a half times higher than low-strength steel threaded rods. Design of Square Key and Keyway (Wood Ruff) Stress, Shear and Torque. 25 in. Specialty Profiles. Total revolutions of shaft = 900x 10 6 revs. They are not colored because presumably most people can feel the. Palight ProjectPVC 156249 Palight . 350 Maximum 2. 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. For about the same cost as machining a keyway off-site, you can purchase a CLIMAX Key Mill. 70 Metric Hss Keyway Broach Set, 4 mm, 5 mm, 6 mm and 8 mm Keyway Size, Style B and C, 5100-0070. See dimensions W and h in Figure 1. They are steel rods with one end having a slightly larger diameter than the other. 000 / +0. They come in fractional or metric varieties (inch or millimeter), offering varying cut lengths. They come in fractional or metric varieties (inch or millimeter), offering varying cut lengths. Close up 2 of 2. The shaft key prevents a relative rotation between the two parts and can enable torque transmission to occur. Full Length Pre-Keyed Shafting. How are keyways measured? Metric keyways are dimensioned by width and depth as measured from the radius of the shaft to the center of the keyway. Side View. ). Fully machineable to change size or configuration. Our 5/8-inch keyed shaft is made with industrial needs in mind, but there are variations. 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. Metric keyways are dimensioned by width and depth as measured from the radius of the shaft to the center of the keyway. Accusize Industrial Tools No. Key Size. 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. Metric woodruff keys are supplied to din 6888 / iso 3912 in c45k keyKeyway hallite Keyway chartShaft keys. Shim For Broach Size. The dimensions and tolerances of interference fit keys shall be given in Table 10 and Table 11. Well suited for use in a variety of ferrous and non-ferrous. BOTTOM OF SHAFT TO BOTTOM OF KEYWAY. They should be locked by a lock washer to prevent unintentional loosening. 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. Serves aerospace, automotive, medical, government, and education. $71. DIN 7154, H7 Metric Bore and DIN 6885, Js9 Square Keyway Tolerances Page 1 of 4. From £147. The flat saddle key is a taper key that fits into a keyway in the hub and is flat on the shaft. Keyways provide added torque capacity and fixed shaft phasing. ISO and ANSI Standards. For example, Gear drives, Pulleys or Sprockets are connected securely using keys to the power transmitting shaft. 2 Axial run-out locating face/thread: 0,05 to 0,30 mm (0. Hardware ANSI Menu. All internal calculations are done using metric millimeters. The standard metric fastener thread series for general purpose threaded components is the M thread profile and the coarse pitch thread series. Size AA - 1" x 1" Size A - 2" x 2" Size B - 3" x 3" PRECISION BRAND’S SOF’ SHOE® “CURES” ANGULAR SOFT FOOT. Metric. Number and size of bolt holes 3. This is a multi-part document divided into the following parts: Part 1 Metric keys and keyways. Keyshaft keyed shaft, diameter 1 7/16 in, keyway 3/8 in x 3/16 inKeyway parallel keyways metric t2 wxh bores Keyway keyed keyways boresGates belts, hoses, and applications: standard & non-standard shaft key. 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. Height. We started exhibiting at model engineering exhibitions in 1994 and realised from the shows that people wanted quite specialised tooling for their machines and also a wide range of tooling which they could adapt to suit their needs. DAV SYSTEMS SRL. 7. Metric Key Keyway Dimensions. A sprocket with an internal parallel keyway. They are held in place with two established screws and a keyway. Because keyways are milled into the side of shafts using a rotating cutter, the entry and exit points of the cutter into the shaft form a rounded slot. Free shipping on many items | Browse your favorite brands | affordable prices. Roughing and finishing with one tool. Keyway Width. Our Pull-Type Keyway Broaches are ideal for applications in high volume production pull-type machines. 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. 025-39. 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. 25 - M 1. The keyway dimensions are also different from the Englishsystem. Pull-Type Keyway Broaches . 5000 2. BS 5686:1986, ISO 14-1982: Specification for straight-sided splines for cylindrical shafts: metric nominal dimensions, tolerances and gauging requirements. 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. $ 29. 2 screws 180 apart create a potential "rocking" issue due to the fact that the hub has clearance to fit over the shaft. 4235 : PART 1 : 1972. For square keys, key width and depth For round keys, key radius or key diameter. 33. Fast and simple to use mating component to a locknut. Keyways (Metric) Contributed by. Regardless of which unit of length you're using, you'll need to measure the following: width, height, and length. 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. b2 tolerance （E9）. 1 mm) of shaft for clamping. MSPC - With Keyway, Metric; Keyed Rigid Couplings: Two-Piece, Metric Clamp style two-piece rigid couplings with keyed bores for additional torque capacity and metric dimensions. T. Metric key keyway dimensionsStandard keyway dimensions Shaft keysRe-design the shaft shown below to be a uniform. 1-1967, ASME standard B17. The AL Type coupling consists of two standard AL Type hubs, one spider and one set screw, except the AL150 which is provided with two set screws. See dimensions W and h in. Pilot Precision Products inserts are standard in stock for inch & metric keyway widths and standard broaching tolerances from H7, P9, D10, C11 and with end chamfer, square, and hex shaping. The Hassay Savage 11412 12 mm Style IV Metric Keyway Push Broach requires a pushing action to cut a keyway-shaped hole in a component and is made of M-2 high-speed steel for a balance of strength and toughness. , depending on the lock nut size: ANSI/ABMA Std. As noted above, when selecting a keyway tolerance, there are. Use them on soft surfaces such as aluminum. • Keys DIN 6885 → Page 842. A key cutter, also known as a keyseat cutter, keyway cutter, or woodruff cutter, is a versatile tool that can be used to cut several different types of keyways. Buy it Now. 8mm 2. tolerances and fits for metric bores and keyways. Woodruff Keys. To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. Ruland is the only North American supplier of clamp style universal joints and manufactures the clamp feature, bores, and keyways in our advanced manufacturing facility in Marlborough, MA USA. Joined Dec 20, 2000. Moorland Rd. Keyway additional modification is available for both single. 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. 3) Keyway fillet radius to be specified by customer. 500 Shank Square. Proper set screw design is to use 2. Keyway-and-Key-Size-Dimensions. 9 Mil 1941 1000+. Also known as half moon keys. 050”, and . 99. Please specify EDP number when ordering Replacement or Extra Shims. Foster City, CA Custom Manufacturer* $10 - 24. 6552. 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. Straight tooth keyseat cutters have teeth that are arranged in a straight line on the. Variable spacing between the flutes reduces vibration, allowing these end mills to provide fast cuts, smooth finishes, and long tool life. Unless otherwise specified, the shaft keyway is assumed to be standard. Metric Keyway Broaches (High Speed Steel) About RDG Tools. 1, the Metric key size is W x T. The letter is the tolerance deviation, the number the tolerance. AUTOMATION & IIOT. depth. Parallel and taper keys; Part 2 Specification for metric keys and keyways. T lock nuts onto a shaft or adapter sleeve and prevent unintentional loosening. Machine keyway to recommended size and tolerance listed per Table 4 on Page 3. 4. Please note that the key sizes in parentheses are older sizes that are no longer commonly used. Keyway Bushings. , depending on the lock nut size: Mating shaft threads (recommendation) KM/KML Metric thread, 6g: ISO 965-3 HM/HME. 4.