Keyways. Use as is to make shaft larger. Rebrisbol Keyway Broach Sets 6Pcs HSS Metric Industrial Tools for Lathe, Keyway Size A - 2mm, A - 3mm and Collared Bushings 6A, 8A, 10A . 001 −0 Key. Unless otherwise specified, the shaft keyway is assumed to be standard. The keyway dimensions are also different from the English system. shaft to the center of the keyway. 82. 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. D. The key length should be less than about 1. Keyway Sizes Broach Style Bushing Diameters (bore sizes) 5/8 E23 8, 21 2 8, 3/ 4 E24, 27 8, 3 EDP No. 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. NUMBER OF SHIMS REQUIRED: 3. The key prevents relative rotation between the two parts and may enable torque transmission. 9 Mil 1941 1000+. Ref. Keyway Width. 5. See dimensions W and h in Figure 1. No. 00 $ 471. Standard Metric Keys & Keyways for Metric Bores with One Key • Couplings All Types (Page 1 of 2). Shims for Keyway Broaches. X. 5555 S. You can measure B directly using a depth mic. At the time of PFEIFER INDUSTRIES, LLC. Use them on soft surfaces such as aluminum. AHC-10000. Note: Broaches have a. tolerances and fits for metric bores and keyways. D1-Style Broach for 14 mm Wd. A square key is used if the deeper key depth is required to transmit torque. 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. I've selected a shear strength = S s = 200 MPa, and a compressive strength = S c = 130 MPa. ( A ) Bottom of Keyway to Bottom of Shaft ( B ) Keyway Width ( C ). Keyway Sizing Chart - Free download as PDF File (. 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. The keyway is a longitudinal slot in both the shaft and mating part. Keyway Depth. Pds Fire Door Slow. Precision Brand® Metric Keystock is used to accommodate metric keyways. 886. The Keyway dimensions are also different from the English system. KW-3 Manufacturer Part Number: 22203. Woodruff Keys. SKU: 5-395-0822. All keyed Shafting is guaranteed to fit on a bearing, and the ends can be chamfered for. 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. 18 Feb, 2008. The keyseat is cut into the shaft and the key goes into the keyseat, between both parts forming a secure bond. The inch and metric dimensions here correspond to common values. yokelome. BS 46 Rectangular Taper & Gib Head KeyWay & Key Dimensions Ref Standard . Key KeyWay. NA0139-1993 KEYWAY AND KEY SLOT DIMENSIONS METRIC $14. Design of Square Key and Keyway (Wood Ruff) Stress, Shear and Torque. Dumont #70 17 Piece 26 Combo HSS Metric Keyway Broach Set - 44498 - 30-600-070. 11131 Std plain bushings only 11331 TiN plain bushings only No. apply to Holes or Shafts. Includes standard keyway Smooth bore protects shafts from damage Stafford’s exclusive Precision Sleeve Coupling features a solid center section that provides a close tolerance fit on ground shafting, includes a keyway, and the Accu-Clamp™ design which incorporates integral self-centering clamping collars at both ends. They meet DIN 6887, an international standard for machine keys. 8mm 3. They are designed to connect two dissimilar sized shafts in virtually any combination up to a 50 more. Company. D1-Style Broach for 14 mm Wd. Available in 303 stainless steel or black oxide steel with bore sizes from 8mm to 50mm. Shaft with Two Keyways Torque Applied Deformation and Stress Equations and Calculator. All Types (Page 1 of 2) ++ Keyways will be furnished per ISO/R773 and Js9 width tolerance unless otherwise specified. Choose from our selection of keyway stock, including machine key stock, rounded machine keys, and more. Not to long after that, I bought a Dumont inch set. Metric. Keys and keyways. We are also fully equipped to. 3mm 2. Inch set. 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. See dimensions W and h in Figure 1. All setscrews are knurled cup point. RDG Tools was started up by Richard Dickinson in 1992. W = d/4[clarification needed] H = 2d/3[clarification needed] where. Rectangular keys. Keyway Dimensions. The keyways correspond to the ASME USAS B17. Standard Bore and Keyway Tolerances (Inch and mm) Keyway Bore (inches) Reference Height (d) 1. BS 46 Part 1 : 1958 Keys and keyway Dimensions-Parallel Rectangular all dimensions in inches. 25 - M 1. 10" Width ;Metric Keyway Broaches (High Speed Steel) About RDG Tools. 3mm 2. 1-1967, R1979). These fits andThis item: Accusize Industrial Tools No. Free returns are available for the shipping address you chose. Cut this stock to length to create the machine key you need. The common KeywayKeyways are available as a standard in two-piece rigid couplings. Couplings can be additionally modified with new JIS keyways based on JIS B 1301. CAD Available in 2D and 3D. Standard metric keys keyways for metric bores with one keyKeyway metric key iso dimensions standard keyways keys r773 pdf bores shaft hub depth diameter standards engineering table edge width Keyway-and-key-size-dimensions. 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. 1, the Metric key size is W x T. This is a +/- band clearance; the value of the. See dimensions W and h in Figure 1. Check Details. Material is high quality, cold drawn steel. 2 The standard does not deal with misalignment or offset greater than can be accommodated within Metric 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. MANUFACTURERS PART NUMBER: B555144. 64. WDS 6063. Keyway Sizes Broach Style Bushing Diameters (bore sizes) 5/ 8 E23 8, 21 2 8, 3/ 4 E24, 27 8, 3 EDP No. Keyway broach sets hevicut metric H5M broach style. $14. clearance fit bores with set screws. The essential data for this standard have been extracted from ISO Recommendations R 7731) and R 7742). DIN 7154, H7 Metric Bore and DIN 6885, Js9 Square Keyway Tolerances Page 1 of 4. Surface Finish — Sides and bottom of keyways shall not exceed 250 micro inches. 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 broaching guides litecut metric to suit L3M broach. English Dimensions: Keyway: W x T Key: W x T Metric Dimensions: Keyway: W x h Key: W x T Common dimension specificationKeyway. Shaft: Key: Keyway: Nominal Diameter d: Section b x h : Width Shaft & Hub b: Depth. 2180 Corporate Lane, Suite 104 ~ Naperville, IL 60563 USA Phone (630) 596-9000 Fax (630) 596-9002 E-mail: [email protected] £55. BS ISO 4156:2005_1: Straight cylindrical involute splines. 66 lbs per EA. Metric Keyway Calculator. 000 +. Box 12086 Omaha, NE 68112-2086number with a “P” for metric keyways or an “R” for an inch keyway. 740. . Standard keyway dimensionsKeyway chart Keyshaft keyed shaft, diameter 1 7/16 in, keyway 3/8 in x 3/16 inKeyway slot key shaft. How deep do you cut a keyway? Milling of keyway Layered milling is to cut the keyway layer by layer, the depth of each operation is only 0. 3. What are the. Key (engineering) In mechanical engineering, a key is a machine element used to connect a rotating machine element to a shaft. Undersized Key Stock Assortments. 774. 0380 605668 5 B1 0. . Marlco keyway broaches litecut metric L3M broach style. Please note that the key sizes in parentheses are older sizes that are no longer commonly used. 8mm 3. 3mm 2. keyway dimensions metric keyways diameter key shaft hub over incl w h width depth tol. 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. Because they're usually shorter than. They have an alternating right- and left-hand tooth style for removing more material at high speeds than straight-tooth keyseat cutters. Daemar’s Keystock are removable bars that are used to transmit torque from components including couplings, sheaves, sprockets and gears to a shaft. All keyways are accurately machined and straight with no bowing or twisting. Shaft. 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. 00. The keyway dimensions are also different from the English. Metric key keyway dimensions per iso/r773. 0005mm). Their extra depth in shaft reduces the overturning tendency in its keyway. d. Social. Standard Metric Keys Keyways for Metric Bores with One Key; Keyway Cutter Hole Keyway Dimensional Data for MIlling Centers and Arbors - ANSI/ASME B94. Depth of keyway is measured at CENTRE. 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. - Series F couplings supplied with 4) All dimensions per AGMA 9002-A86 interference fit bores without set screws commercial standards. Linguette - sedi per alberi. 118" White St-10 24"X48"The keyway broaches are offered in A, A1, B, B1, C, C1, D, D1, E, E1, F, and F1 styles. the offered imperial sizes are close enough for the metric thicknesses. Use them to connect gears and other components with tapered keyways to shafts. Metric key keyway dimensionsKeyway metric dimensions key iso tolerance js9 r773 width per depth hub t2 height radius text mill question answered hasn Agma asa. Ann from the top of the shaft, the keyway is shown. 1, the Metric key size is W x T. 4. 46 : PART 1 : 1958 Imperial – Square B. Use the keyways with machine keys to transmit torque to gears, sprockets, and other keyed components. • Keys DIN 6885 → Page 842. Shaft Diameter. Metric Key Keyway Dimensions. 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. Per BS 4235-1:1972: Specification for metric keys and keyways – Parallel and taper keys. MSC Industrial Supply Co. Check Details. . 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. Metric Key Keyway Dimensions Per ISO/R773 - Js9 Width Tolerance. NSI Shaft and Hub Keyseat Dimensions for Woodruff Keys per. Interference Fit Bore Tol. 00mm; 8. inch bores with metric keyways; metric bores with inch keyways; metric bores with metric keyways; or shaft keyseat tolerances. 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. 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. r1 and r2. BS 46 Part 1 : 1958 Square Keys and keyway Dimensions. Install in a keyway to transmit torque from shafts to gears and other components. Much more METRIC info is always being added to this site. Keyway metric key iso dimensions standard keyways keys r773 pdf bores shaft hub. The Metric system does not refer to keyseat or keyway dimensions as does. 3 out of 5 stars 10 ratings. Width. In the Metric system it is common practice to specify the key size. Keyway key metric dimensions iso shaft tolerance js9 r773 per standard t2 width sizes question shafts hasn answered yet been - inch bores with metric keyways; - metric bores with inch keyways; - metric bores with metric keyways; or - shaft keyseat tolerances. Here's t. Add to Cart. Material is high quality, cold drawn steel. SKU. The key prevents relative rotation between the two. Keys and keyways are a very important part of shafts and power transmission. For more information, contact our sales department at 906. Description: Shaped like a saw blade, our keyway broaches and square hole broaches are designed to create holes in unique shapes. ISO Standard — mm Shaft Diameter Groove. ANSI/AGMA 9112-B14 describes sizes and tolerances for straight and tapered bores and associated keys and keyways, as furnished in metric flexible couplings. Metric keyways are dimensioned by width and depth as measured from the. . 3) Keyway fillet radius to be specified by customer. Rectangular. 9mm. 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. Shaft Keys fit into slots cut into a shaft and a component such as a pulley or sprocket creating an assembly that rotates as one unit. This standard covers the complete general and dimensional data for metric flat countersunk, oval countersunk and pan slotted and recessed head machine screws metric hex flange head machine screws recognized as standard. Referencing Figure 1, the Metric key size is W x T. For custom requests please use our Live Chat feature or contact us at sales. ISO 2492:1974 Thin taper keys with or without gib head and their corresponding keyways (Dimensions in millimetres) $26. Taper metric dimensions keyway key bs 1972 keyways keys. ISO 3912:1977 Woodruff keys and keyways $26. The key prevents relative rotation between the two parts and may enable torque transmission. The gap of the keyway is shown with tolerances again and the semi-gap is shown. Metric setscrews are also available. Hss No. Copy link. Nominal. Mill specific holes or keyways in the hub to meet your specifications or weld in place. bxh Radius r. 32R36 In this example only the second bore will have a keyway. The 3/8 inch and 1/2 inch joints come with set screws Features: Set Screws, Corrosion Resistant, Sanitary ApplicationStock Tool Holders for Inch and Metric Keyway and Slotting Inserts. Keyway. This key stock is undersized, so keys will fit slightly more loosely than standard keys and are best for inconsistent keyways. All Types (Page 1 of 2) ++ Keyways will be furnished per ISO/R773 and Js9 width tolerance unless otherwise specified. Dimensions 3. Keys and keyways . 00. The cutting edges increase until they reach the required size. 00mm; 3. 8mm 2. 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. Type 309. width depth tol. Machine keys are used in power transmission to transmit torque between a shaft and a shaft mounted component such as a gear, pulley, or coupling. 8mm 2. 6 0. The first is Js9. From £59. Marlco keyway broaches litecut inch L0 broach style. The following standard containprovisions which, through reference in this text, constitute provisions of s RoyMech Resources Keyways Taper Metric Key and Keyway Dimensions These Pages include various standards. web british standard metric keyways for square and rectangular parallel keys 11. Eagle Tool Metric Keyway Chart. See ANSI/AGMA 9112-B14 for metric bores with metric keyways. pdf Gates belts, hoses, and applications: standard & non-standard shaft keyMetric keyway. Many of the products that we offer. They are called “keys” because they lock a component to the shaft by means of a corresponding keyway in a shaft. They are semi-circular, and fit into a Keyway shaped as a circular-segment in the shaft and a rectangular slot in the mating part. c or r. 10-24. 00mm; 6. Regular Price: $14. 18 Piece, 1/8 to 3/8″ Keyway Width, Style B & C Keyway Broach Set. Keyway Width 2. WDS 6024. The 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. 401/2 Heavy Duty Set Same as No. We stock pre keyed shafting in many diameters, including metric diameters, with standard keyways. 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. Standard metric keys & keywaysGuide for shaft keyway design, shaft key size calculation and selection Metric key keyway dimensions per iso/r773. 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. keyways /keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and keyways - Parallel and taper keys. RoyMech Resources Keyways Woodruff Metric key and Keyway Dimensions These Pages include various standards. Keyways provide added torque capacity and fixed shaft phasing. js9 widthKeyway dimensions Key and keyway dimensions (control in motion. Metric Stainless Steel Nylon-Tip Set Screws. Flat and parallel feather keyways are used for 1/4” to 2-1/2” diameter shafts while delivering the same torque capacity as square and rectangular parallel keys. Open navigation menu. Use them on soft surfaces such as. 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. Metric keyways are dimensioned by width and depth as measured from the radius of the Shaft to the center of the Keyway. PFEIFER INDUSTRIES, LLC. FREE delivery Nov 27 - 30 . To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. pdf. They are called “keys” because they lock a component to the shaft by means of a corresponding keyway in a shaft. thck Nom Free Normal Close/Int - - - -. See dimensions W and h in Figure 1. The dimensions and tolerances of interference fit keys shall be given in Table 10 and Table 11. *Other keyways are available upon request. When broaching in multiple passes, shims are necessary to ensure full keyway depth. scope: This Standard covers requirements for square and rectangular parallel keys and keyways intended for both alignment of shafts and hubs, and transmitting torque between shafts and hubs. Superior holding power over set-screw type couplings. Name. This set is comprised of four broaches, nine. Downloads. 240. 1. Key dimensions: Parallel keys are most commonly used. Surface Finish — Sides and bottom of keyways. Keyway Chart The following tables show standard dimensions for keys and their grooves. 0mm to 26. Metric Keyway Broach HSS, Type E 18mm. 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. Specification for metric keys and keyways – Parallel and taper keys BS 4235-1:1972; Matching the woodruff key to the shaft diameter is also specified in DIN 6888 Keyway. 1 - 1967, r 1973 (ref intralox dwg #1320). 2(w/d)1. Machine keys are sometimes called shaft keys, or sunk keys, and are available. What factors should be considered when selecting the size of a key for a keyed shaft? When selecting the size of a key, consider factors like the amount of torque to be transmitted, shaft diameter, keyway dimensions (Imperial keyways or Metric keyways. 00. COMPONENTS PowerDrive LLC Bore Tolerance 0 to 2 2 to 3 3 to 4 Over 4 +. Category. 005, -. They are also often used on tapered shafts. Partial keyways can be machined into bars up to 30 foot long. 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. In stock and ready to ship. Cut it to length to create the machine key you need. This standard incorporates a small portion of the numerous variations of shaft/bore fits. , New Berlin, WI 53151-7953 USA Telephone: 262-796-4060 August 2003 Fax: 262-796-4064 e-mail: info@rexnord. Choose from our selection of arbor shims, including ring shims, shims for keyed shafts, and more. One of the following methods should be used to specify keyways: Metric: WxH Key W x T2 Keyway British. The rounded ends make it easy to slide gears, hubs, and other components into place. 50+ bought in past. Juliano André Petry. 000 +. 1. • Keyways available in diameters from ½" to 4-1/2" • Metric Diameters from 6mm to 125mm • Keyways available in diameters from 10mm to 65mm. The keyway dimensions are also different from the English system. Specification for flexible couplings for power transmission. However, since the corner of the keyway is normally chamfered, it is difficult to accurately measure a keyway’s depth during manufacture. Keyways will be furnished with P9 width tolerance only upon request. Detailed width tolerance information is best drawn from the manufacturer. 2 Normative references The following standards contain provisions which, throughreferenceinthistext,constituteprovisionsof this American National Standard. 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. Serves aerospace, automotive, medical, government, and education. 0470 605670 6 C 0. fStandard Metric Keys & Keyways for Metric Bores with One Key Couplings. , depending on the lock nut size: Mating shaft threads (recommendation) KM/KML Metric thread, 6g: ISO 965-3 HM/HME. Stay organized and be prepared with these popular sets. BS 46 Rectangular Taper & Gib Head KeyWay & Key Dimensions. When broaching in multiple passes, shims are necessary to ensure full keyway depth. The bore diameters listed in the "Keyway Additional Modification Applicable Bore List" in the table below are available for the service. 16 0. Gold dichromate plating makes product identification easy. Keyway key parallel jis sizes tolerances 1301 mm 1996 pulley excerpt unit techKeyway metric Table aii-12. Metric Key & Keyway Dimensions Per ISO/R773 – D10 Width Tolerance ‡ Key & Keyway Dimensions – Millimeters Coupling Hub Keyway Dimensions – InchesB +0. 3. Keyway Chart. Only 15 left in stock - order soon. Hole-Mount Fixture Keys. Spline inserts are custom made in various alloys, geometries, sizes and tolerances and are attached to the insert holder with a set screw. 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. Description: Stainless Steel Single Joints — Turn-Key Hubs In stainless steel, we have all standard sizes available in stock, ranging from 3/8 inch to 4 inch O. of Teeth Minimum Length of Cut (Inch) Maximum. Taper KeyWay and Key Dimensions : Mechanics : 3 searchable steel databases (free) Home / Metric Keyways Index Taper KeyWay and Key Dimensions. system. In the Metric system it is common practice to specify the key size. Keyed two-piece split collars giving users flexibility to assemble the collar in-place without the need to remove adjacent components. Woodruff keys and keywaysBS 3170:1972. Email This Page Download PDF Printable Page. If the job comes with. 2 1/2. 95. $486. Metric keyways are dimensioned by width and depth as measured from the radius of the Shaft to the center of the Keyway. 18-8 stainless steel key stock offers a balance of strength and corrosion resistance. S. Added on. This coupling comes completely apart to allow the most convenient assembly and adjustment. 3. Another benefit of this shaft key design is quick, hassle-free field replacement. Non standard bores and over the keyways. keyways available upon request. Just enter the size of the key and shaft, then click "Calculate". Brand: Rebrisbol. Eliminates need for complete shaft replacement. Return this item for free. Also calculated are the overall measurements for shaft and bore, as well as the chord height.