Metric keyway dimensions for shafts. Keyway and keyway depth calculator.
Metric keyway dimensions for shafts. Standard Metric Keys and Keyway Bores Metric Keyways Dimensions ISO/R773 ANSI Woodruff Keys Stress Concentration Shaft Shaft Stress and Deflection Standard Bore and Keyway Tolerances (Inch and mm) www. 8mm 1. 43 4 Dec 16, 2014 · Keyway Chart December 16, 2014 by damian bore and key chart, keyway chart, keyway sizes Comments are off Square and rectangular taper keys Taper and round-ended sunk key and keyway acc. Oct 14, 2023 · The keyway calculator is a valuable tool that simplifies the complex process of calculating keyway dimensions. 38 1958 Shaft Keyway Shear and Yield Strength Formulae and Calculator Shaft (Arbor) Keyway Dimension Size Data - ANSI/ASME B94. Metric Shaft Keys are rectangular or square shaped keyways that are used to lock rotating elements onto a shaft. The document provides tables with the standard sizes for keyways and keys in both English and metric units. 3mm 2. All dimensions per AGMA 9002-A86 commercial standards. All dimensions conform to ISO and DIN standards. 946'' Recommended uniform relationship between shaft diameter and key sizes for parallel and taper keys. Feb 1, 2023 · We carry a wide range of products with keyways, including bushings, keyed shaft, and roller chain sprockets. 0 1. Table 1 details the appropriate key slot and key sizes for various metric bores. 19-1997 Design of Square Key and Keyway (Wood Ruff) Stress, Shear and Torque Metric Key Keyway Dimensions Shaft Arbor and Keyseat Dimensional Data American National Standard Keys Technical data for metric keys and keyways per ISO/R773. Dec 15, 2018 · In October’s column, I mentioned the typical tolerance for keyways. A list of standard keyway and corresponding key sizes for English shafts are listed below in Table 1. All sizes are in inch units. 【High-quality and Reliable】 --- Made of high quality carbon steel material with high hardness and toughness, provides high Metric Keyways Index page Shaft (Arbor) Keyway Dimension Data - ANSI/ASME B94. Note that metric keys are rectangular in shape, and not square as in the English system. This is a +/- band clearance; the value of the tolerance is equally oversized you ever have someone tell you that you cannot fit a square peg or undersized. . Specification. 3434 (fax) 877. Non standard bores and keyways available upon request. 43 4 KeyWay /Key Dimensions. This document provides specifications for standard metric keys and keyways used in couplings with a single key. This page provides a detailed keyway chart to help engineers select precise seal fits for transmission applications in industrial environments. Standard Metric Shaft Key and Keyway Dimensions Chart in MM The key dimensions listed in the following table refer to nominal size, which provides a standardized reference for selecting and specifying keys to ensure compatibility between components from different manufacturers. 19-1997 Shaft and Arbor Class E and F All dimensions given in This applies to both metric and inch woodruff keys. 43 4 Dec 16, 2014 · Keyway Chart December 16, 2014 by damian bore and key chart, keyway chart, keyway sizes Comments are off P9 / JS9 / D10 Dimensions in: millimeters - inches h t1 = t2** t3 = t4 P9 / N9 / H9 Shaft keyseat Hub keyway 11 0. Shaft (Arbor) Keyway Dimension Size Data - ANSI/ASME B94. Technical data for metric keys and keyways per ISO/R773. TruKey® Shafting from Keystone is designed to provide the straightest, most accurate keyed shafting, in the industry. NSI Shaft and Hub Keyseat Dimensions for Woodruff Keys per. Home / Metric Keyways Index Keys and keyway dimensionsTop Home ANSI/AGMA 9112-B15 describes sizes and tolerances for straight and tapered bores and associated keys and keyways, as furnished in metric flexible couplings. The key length should be less than about 1. Woodruff keys and keyway dimensionsHome / Metric Keyways Index Woodruff keys and keyway dimensions Metric Keyways Index page BS 46 Rectangular Taper & Gib Head KeyWay & Key Dimensions BS 46 Rectangular Taper & Gib Head KeyWay & Key Dimensions Ref Standard . Compare measured dimensions with current standards data. 16 8 10 3 3 3 -. 8mm 2. Includes Js9, P9, D10 tolerances, dimensions in mm & inches for couplings. This standard incorporates a small portion of the numerous variations of shaft/bore fits. 8mm 3. The common Keyway 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 H Key & Keyway Dimensions Millimeters Falk Coupling Hub Keyway Dimensions Inches Shaft Diameter Key Size Keyway Width Keyway Depth Keyway Radius Shaft Diameter Keyway Depth Keyway Radius D Nominal Hub W Hub T2 R D Keyway Width Hub T2 R Sep 4, 2023 · About this item 【Great Value Kit - 140 Pieces】 --- Our metric shaft keys assortment kit includes: 150pcs round ended key stocks in 8 sizes and 61pcs half moon woodruff keys in 7 sizes. ANSI B17. It is also possible to become a BSI member and obtain copies of the Standards at much reduced prices. This is an undersized into a round hole? This common phrase is misleading because it Keyways Index Keys and keyway DimensionsKeyways Index Relevant British Standards BS 4235-1:1972: Specification for metric keys and keyways - Parallel and taper keys BS 4235-2:1977, ISO 3912-1977: Specification for metric keys and keyways - Woodruff keys and keyways BS 5686:1986, ISO 14-1982: Specification for straight-sided splines for cylindrical shafts: metric nominal dimensions, tolerances and gauging requirements BS ISO 4156:2005_1: Straight Parallel Key and Keyway Sizes and Tolerances is provided. Sufficient quantity and money-saving set will meet all your different needs. Same and Next Day Delivery. Metric machine keys, also referred to as DIN or ISO keys, are machine keys that have metric dimension rather than imperial or English measurements so you will see millimeters instead of inches or fractions. Related: The document provides a table of standard metric key and keyway dimensions according to ISO/R773-Js9. All inch and metric- based systems define a set of standard bore-keyway combinations for use with common shaft sizes. Keys and keyways BS 46 Square Taper & Gib Head KeyWay & Key Dimensions All Dimensions in inches *1 Keys with nominal dimensions noted in brackets are not specified in the corresponding international standard and are not used for new designs. ISO falk_metric_key_keyway - Free download as PDF File (. Jun 19, 2025 · Complete guide to shaft keys covering the motor key types, dimension formulas, strength calculations, material selection, and practical case studies for reliable torque transmission. txt) or read online for free. Jan 25, 2020 · In general, the larger the size of the feature the greater the allowance (Grade) size will relatively be. 5 0. 868. The common specification dimension, Key Size, is highlighted. When measuring and ordering full-radius woodruff keys, you'll only need to take into account the width of the key and its height. 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. 19 Shaft and Arbor Class A and B All dimensions given in inches. Imperial Keyway Calculator Key dimensions: Parallel keys are most commonly used. A list of the standard key sizes and corresponding keyways for Metric shafts are listed below in Table 2. Metric Key Keyway Dimensions Per ISO/R773 - Js9 Width Tolerance 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 2 -. 4235 KEYSTEEL - KEYWAY : PART 1 : 1972) - KEYWAY - KEYWAY STANDARDS STANDARDS CORNER RADIUS 'R' Keyway and key dimensions are standardized for shafts of different diameters. You are here: Home > Knowledge Base > Standard Keyway Dimensions Standard Keyway Dimensions Bore, Keyway & Setscrew Information Standard Keyway & Setscrew Sizes Standard Bore Tolerances Standard Setscrew Locations If one setscrew is furnished the location will be 0°. Understanding and applying standard bore and keyway tolerances is essential for achieving optimal fits. It helps engineers and designers determine the width and depth of keyways needed for specific applications. Inch (ANSI/AGMA 9002-B4) Metric (ISO/R773) Standard Key and Keyway Sizing English Dimensions: Keyway: W x T Key: W x T 1 Metric Dimensions: Keyway: W x h Key: W x T The following tables show standard dimensions for keys and their grooves. It lists nominal shaft diameters and the corresponding bottom of keyway to bottom of shaft, keyway width, and reference depth dimensions in either fractional inches or millimeters depending on the system. keyways /keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and keyways - Parallel and taper keys The Metric system does not refer to keyseat or keyway dimensions as does the English system. 19-1997 Keyway Stresses for Non-metallic Gears and Shafts Formulas and Calculator These Pages include various standards. The second is a P9 tolerance. Metric & Multistandard Components Corp. The document provides standard dimensions for keys and keyways used in shafts based on the nominal shaft diameter. 08 0. The table lists nominal shaft diameters ranging from 6mm to 500mm along with the corresponding recommended key sizes, keyway widths, heights, depths, and tolerances. 2883 (toll free) The document provides specifications for keyway dimensions for both inch and metric systems. Many keyways are milled directly into a shaft or broached into the corresponding bored holes. 4mm 8mm 2mm 9mm 12mm 11mm 4mm 4mm 14mm 15mm DIN 7154, H7 Metric Bore and DIN 6885, Js9 *1 Keys with nominal dimensions noted in brackets are not specified in the corresponding international standard and are not used for new designs. Keyway Sizes Keys and keyways are used to transfer torque from shafts to holes or vise versa. 3mm 3. 4 1. Oct 21, 2024 · Explore our comprehensive range of products and find the right fit for your project today. It includes two tables: one for metric rectangular keys and keyways following the B. The dimensions are A list of the standard key sizes and corresponding keyways for Metric shafts are listed below in Table 2. For your convenience, we’ve included a metric keyway size chart below to help you quickly identify the right dimensions for your shaft and keyway. Metric and Imperial Keys and Splines Brief Description of Keys / Keyways and Splines Keys and splines are mechanical components used in engineering to transmit torque and motion between rotating components, such as shafts and hubs. 0125 1. Woodruff Key Dimensions What are are woodruff keys? Woodruff keys are of semi circular disc shaped which completely fits into the semi circular pocket or circular recess provided in the shaft and which has been machined by a woodruff keyway cutter to give a good fit / tight fit to push the key into the recess. The key prevents relative rotation between P9 / JS9 / D10 Dimensions in: millimeters - inches h t1 = t2** t3 = t4 P9 / N9 / H9 Shaft keyseat Hub keyway 11 0. 19 American National Standard Keys and Keyways Gear Products and Suppliers | Gear Knowledge Menu The following is summarized from the American National Standard Keys and Keyways for Milling Cutters and Arbors ANSI/ASME B94. Square Key Steel Dimensions in Determine correct dimensions for a keywayAnother excellent B. To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. Unless otherwise specified, the shaft keyway is assumed to be standard. Detailed width tolerance information is best drawn from the manufacturer. In the English system, keyways are specified by their width and depth, while standard key sizes correspond to shaft diameters. They connect a rotating machine element to a drive shaft so that torque can be transmitted. Instead, key dimensions are specified. Full-Radius Woodruff Keys Full-radius half-moon keys are a full half-circle in size, which fully interface with the shaft's key seat. 1 0. pfeiferindustries. com Keyway Bore (inches) Reference Height (d) 1. Bore/TurnReturn to broaching Metric Woodruff Keys DIN 6888 20x12x170 22x9x170 22x14x170 25x9x170 25x14x170 28x10x170 28x16x170 32x11x170 32x18x170 36x12x170 36x20x170 40x14x170 40x22x170 45x16x170 45x25x170 8x7x180 12x8x180 14x9x180 16x7x180 16x10x180 18x7x180 18x11x180 20x8x180 20x12x180 22x9x180 22x14x180 Engineering Information Taper Metric Key and Keyway Dimensions ANSI-B17. 3mm 5mm 5mm 5mm 5mm 6mm 6mm 6mm 8mm 8mm 22mm 24mm 16mm 17mm 19mm 20mm 25mm Keyway Width (w) 10mm 3mm 3mm 1. 4mm 1mm 1. Keyway and keyway depth calculator. *2 The compatible shaft diameter is determined from the torque corresponding to the key strength, shown as a guide for general applications. to ISO 6886 Dimensions of parallel keys and taper keys 1) The tolerance zone for hub keyway width b for parallel keys with normal fit is ISO JS9 and with close fit ISO P9. Feb 4, 2015 · This standard presents metric dimensions, tolerances, sizes and fits for straight bores, tapered bores, keys and keyways for unmounted industrial flexible couplings. May 5, 2009 · DIN 6885-1 :- Key, Hub Keyway, Shaft Keyway Details and Dimensions DIN 6885/1 :- Definition Drive Type Fastenings without Taper Action; Parallel Keys, Keyways, Deep Pattern Enjoy 100+ live TV channels and on-demand TV with entertainment, sports, news, and more NEMA QUICK REFERENCE CHART Leader in Energy Efficient Industrial Electric Motors and Drives Aug 21, 2025 · Common metric keyway types include the square and rectangular keyways, similar to their imperial counterparts but with metric dimensions. Referencing Figure 1, the keyway dimension is W x T 1. The keyway width and depth as well as the key width and depth increase incrementally as the shaft diameter increases within specified ranges. We stock pre keyed shafting in many diameters, including metric diameters, with standard keyways. Keys are Keyways Index KeyWay & Key DimensionsKeyways Index 95 110 28 110 130 32 130 150 36 150 170 40 170 200 Choose from our selection of metric keys, including rounded machine keys, machine keys, and more. Also calculates overall shaft and bore values, and chord depth. Metric machine keys function in the same way that other keys do. Key and keyway dimensions Below is a reference on shaft diameters and the corresponding keys / keyways according to the prevailing standards. 1Keyway Dimensions A list of the standard key sizes and corresponding keyways for Metric shafts are listed below in Table 2. It includes dimensional information for different shaft diameters, key sizes, keyway widths and depths. 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. pdf), Text File (. Jun 22, 2025 · Learn everything about keyway dimensions, types, tolerances, design, and how to calculate keyway depth and width with formulas and standard keyway size charts for accurate mechanical design. This tool streamlines the design process and ensures that the components fit together perfectly, reducing the chances of failure and improving the overall efficiency of the P9 / JS9 / D10 Dimensions in: millimeters - inches h t1 = t2** t3 = t4 P9 / N9 / H9 Shaft keyseat Hub keyway 11 0. A key is a machine element used to connect a rotating machine element to a shaft. 5 times the shaft diameter to ensure a good load distribution over the entire key length when the shaft becomes twisted when loaded in torsion. Standard Keyway Dimensions 5775 Stapleton Drive North Denver, Colorado 80238 303. Tables provide dimensions for standard Dec 15, 2018 · In October’s column, I mentioned the typical tolerance for keyways. 4235: PART 1: 1972 standard, and one for imperial keys and keyways. Apr 26, 2024 · 0. Standard Metric Keys & Keyways for Metric Bores with One Key • Couplings (Page 2 of 2) All Types Key Dimensions The inch and metric dimensions here correspond to common values. Vaughan contribution to take all the pain out of calculating depths of cut for keyways and keyseats so they're correctly centered on the shaft-hub intersection line. The tolerance zone for shaft keyway width b with normal fit is ISO N9 and with close fit ISO P9. Jun 13, 2024 · Refer to tabulated dimensions and tolerances of metric keyways for parallel and woodruff keys as per BS 4235-1:1972. 19-1997 Shaft Arbor and Keyseat Dimensional Design Data - ANSI/ASME B94. In the Metric system, keys are specified by size rather than keyways, and keyways are defined by width and depth from the shaft radius. Along with keyway size tolerances and keyway depth sizes, some standards also provide information on the recommended key size and keyway depth as a function of shaft diameter. Square Drives for Socket Tools ASA B5. British Standard :BS 46 Part 1 : 1958 Keys and keyways and taper pins. The document discusses standards for keyways and keys in both the English and Metric systems. 377. Please note that the key sizes in parentheses are older sizes that are no longer commonly used. (BS. While a designer is free to specify any keyway they wish, straying from the standard option is likely to increase the cost, time, and complexity of the part. Tolerances are provided for the key and keyway dimensions. Fundamental Deviation: Determines if the tolerance is applied to a hole (internal) or shaft (external) feature type. British Standard Metric Keyways for Square and Rectangular Parallel Keys Shaft Nominal Diameter, d Parallel Keys Parallel keys are the most common form of keyway. S. 2 continued * 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). 3444 303. 282 Metric Keyway Calculator Key dimensions: Parallel keys are most commonly used. You must enter at least 2 items Shaft Diameter (in): Key Width (in): Key Height (in): You must enter at least 2 items Shaft diameter (D) = Key width (K) = Key height (H Stepper Motor shafts, keys and keyways dimensions for metric size table. For instance, a typical metric square keyway might have dimensions of 5 mm x 5 mm or 10 mm x 10 mm, allowing for appropriate torque transmission depending on the application. 19-1997 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. They are used to provide a positive drive and prevent slippage between mating parts, ensuring efficient power transmission and precise angular positioning. Apr 1, 2000 · 3. 0125 +. The woodruff key was invented by William N Woodruff of Hartford Connecticut and in Standard Keyway & Bushing Sizes With Setscrew QUICK DETACHABLE (PQD) STEEL BUSHING. Keyways Index BS 46 Rectangular Taper & Gib Head KeyWay & Key Dimensions Ref Standard . The first is Js9. The hub keyway is dimensioned by its width and depth on the shaft – keyway sides. Dimension tables are provided for shaft diameters ranging from 3/8 to 2-1/2 inches and 6mm to 500mm. Keyway dimensions include the width, thickness, depth, and radius specifications for each shaft diameter. As noted above, when selecting a keyway tolerance, there are two common selections in the metric Rectangular Keyways Metric; WXHKey W x T2 Keyway ISO Standard — mm Snart Dlameter WI dth Groove dimensions keys DIN 6E-ga Shut 1 (With • 1972. Bore tolerances dictate the permissible deviation in the diameter of a machined hole, while keyway tolerances define the acceptable variation in the dimensions of the keyway slot, crucial for transmitting torque between shafts and components. If two setscrews are furnished the locations will be 0° and 90°, unless otherwise specified. The metric table lists the nominal shaft diameter range, key size, and dimensional specifications for the key and keyway in Excalibur Keyshaft™ Pre-Keyed Shafting is the leader in continuous keyed shafting, offering keyway sizes and fits for a wide range of MRO and OEM applications. We can provide keyed shafts in any length up to 20 foot. 19 American National Standard Keys and Keyways Gear Knowledge Menu The following is summarized from the American National Standard Keys and Keyways for Milling Cutters and Arbors ANSI/ASME B94. Metric Key & Keyway Dimensions per ISO/R773 - D10 Width Tolerance Key & Keyway Dimensions - Millimeters Shaft Diameter "D" Key Size Nominal Keyway Width Hub "W" Apr 15, 2025 · Some keys, like Gib-head keys, are designed for easy removal. As noted above, when selecting a keyway tolerance, there are two common selections in the metric system. All keyed Shafting is guaranteed to fit on a bearing, and the ends can be chamfered for easy installation. stocks DIN 6885 Metric Shaft Keys in carbon steel; other materials may be available upon request. The size must be entered as a metric millimeter value and be between 0mm and 500mm. The dimensional charts below relate to metric rectangular keyways and metric rectangular keys, imperial rectangular keyways and imperial rectangular keys and imperial square keyways and imperial square keys. 16 0. Keyway Cutter Hole Keyway Dimensional Data for MIlling Centers and Arbors - ANSI/ASME B94. Keys and keyways Drive shaft Design, key and Keyways Jan 28, 2022 · Nearly every shaft diameter has a corresponding standard keyway width and depth – this calculator helps you find it. uyyv jw u9v8 ecg 01qzwc yui 2pt9s zw9sb gze dg