Standard key sizes in mm pdf. All dimensions conform to ISO and DIN standards.
Standard key sizes in mm pdf engineersedge. G. The following tables show standard dimensions for keys and their grooves. The steel groups and strength classes are designated by a four-digit sequence of letters and numbers (eg A2-70) as shown in the Nov 14, 2018 · Screwdrivers come in all shapes and sizes. The dimensions are British Standard Metric Keyways for Square and Rectangular Parallel Keys Shaft Nominal Diameter, d Keyways Index Keys and keyway Dimensions Keyways Index Key Way Standards - metric and imperial - Free download as PDF File (. NSI Shaft and Hub Keyseat Dimensions for Woodruff Keys per. 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. Our carbon keys are normally made from cold drawn SAE-1035 steel and come in a wide range of metric sizes. 2. The common Keyway 45 200 230 50 230 260 56 260 290 63 290 330 70 330 380 80 380 440 90 440 500 Parallel Key and Keyway Sizes and Tolerances Last updated:18 June 2019 Two PDFs with useful engineering data on keyway sizes and engineering limits and fits, just download. The common specification dimension, Key Size, is highlighted. The metric table lists the nominal shaft diameter range, key size, and dimensional specifications for the key and keyway in Recommended uniform relationship between shaft diameter and key sizes for parallel and taper keys. Initially, they were simple Imperial machine have dimensions listed in imperial units also referred to as the imperial system and are listed as ANSI - ASME standard machine keys. The technical discussions referenced in this guide represent typical applications only. The document provides standard dimensions for keys and keyways in both metric and imperial units. 4235: PART 1: 1972 standard, and one for imperial keys and keyways. 3. Keys with a small end (for adjusting the pendulum length) range from #1 to #5, with #1 being a larger size and #5 being a smaller size. A second table provides metric specifications for key sizes a keyway and a keyseat, which is a slot and pocket in which the key fits. IEC QUICK REFERENCE CHART Dimensions are for reference only Drawings represent standard TEFC general purpose motors The above chart provides typical Baldor•Reliance motor dimensions. Standard Keyway DimensionsStandard Keyway Tolerances What you measure as the length of your standard key isn't the same measurement as its nominal diameter. Simplify bolt selection with our detailed size chart. Standard Setscrew Locations If one setscrew is furnished the location will be 0°. 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 key way dimensions Aug 25, 2024 · Allen keys are essential tools with various sizes and applications. Get a quote for Hex Anchor Bolts, Hex Head Bolts and all kinds of Bolts or just call our sales team now. Example : A woodruff key of width 4 mm andheight 6’5 mm shall be designated as: ‘Woodruff Key 4 X 65IS : 2294’ Mar 21, 2025 · Confused by socket sizes? Download our FREE, easy-to-read Metric & Standard Socket Size Chart PDF. This page provides a detailed keyway chart to help engineers select precise seal fits for transmission applications in industrial environments. It also notes that square keys are preferred above a certain shaft diameter line. txt) or read online for free. It also includes figures illustrating key dimensions and designations. 01". 11320 FM 529 RD BLDG F HOUSTON, TEXAS 77041 TEL (713) 896-1166 FAX (713) 896-7879 Sep 23, 2025 · Pro tip: If the belt is broken or missing, measure the distance between pulleys and consult a size calculator or chart. 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. For more exact dimensional data, please check the specific drawing for each catalog number. It shows the required Allen key size for each screw size and includes the key length, shortest length, and RS part number. Understanding these sizes is essential for selecting the right bolt for your project. If other keyways are required, a shaft end detail drawing that shows the keyway dimensions must be provided to GAM. Having the right sized hex key that fits the screw head is important as clearance needs to be sufficient for accessibility, such 12 mm. When the key is of an appropriate size relative to the torque to be transmitted, a shaft thicker than the applicable shaft diameter may be used. Minimum Diameter is Nominal Key Size Diameter - 0. Fastener Reference Tables | Imperial & Metric Conversions, Hardness, Thread Pitch & Tensile Strength. This document provides standards and specifications for Woodruff keys, including: 1) Dimensions for Woodruff keys of various widths and heights according to DIN 6888. 3434 (fax) 877. All dimensions conform to ISO and DIN standards. Table 2 defines the tolerances on the shank length. Shaft and Hub Keyway and Key Sizes dpk3n3gg92jwt. Understanding Allen Keys Allen keys, also known as hex keys or hex wrenches, are specialized This standard covers data for parallel and taper keys and keyseats, including size, type, and tolerances. Understand the sizes, strengths and more of fasteners. S. It includes tables with the Allen key size (s), inner dimension (A), outer dimension (B), and minimum clearance (d) needed for different metric screw sizes like M3, M4, M5, etc. 1M Metric Machine Keys (DINS / ISO) 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. The document provides standard dimensions for keys and keyways used in shafts based on the nominal shaft diameter. Available in a range of sizes from M2 to M42 and din 933. 868. Allen key bolts come in various standard sizes, typically measured in both metric and imperial units to accommodate different applications. 2M Hardness: RC 45-53. 1) Mechanical properties of stainless steel for metric DIN 94 Split Pins (Cotter Pins) Stainless steels can be divided into three groups of steel - austenitic, ferritic and martensitic. Designation - Shall be designated by its width and its height followed by the number of this standard. Dimensional data for 444T through 449TS frame sizes reflect the use of a top mounted conduit box with a cantilevered mounting arm. Metric – Rectangular B. Provides dimensions for inch and metric allen wrenches. 9 socket cap screws are comparable, but not exactly equivalent to U. The document discusses standards for keyways and keys in both the English and Metric systems. These include ball-end keys for accessing screws at angles, tamper-resistant keys with specialized patterns, and long-arm keys for reaching recessed fasteners. 2883 (toll free) Metric DIN 912 hexagon socket head cap screws are cylindrical head screws with an internal hexagonal drive suited for a hex / Allen key or wrench. Click on the thumbnail below to see a full size standard or metric keyway chart. Jan 23, 2023 · Beyond the Basics: Specialty Allen Keys In addition to the standard sizes outlined in the chart, there exists a realm of specialty allen keys designed for unique applications. 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 * Common dimension specification Standard Metric Keys & Keyways for Metric Bores with One Key • Couplings (Page 2 of 2) All Types Metric Key Keyway Dimensions Per ISO/R773 - Js9 Width Tolerance. Metric Bolt Measuring Guide : Followings are some examples to understand how to measure metric bolts according to its type: Allen Key Socket Cap Bolts : Tapered Socket Cap Bolts : Flanged Hex Head Bolts : Nov 11, 2024 · In addition to the standard sizes, there are also precision metric hex key sizes, which are primarily used in compact applications like electronics. Standard Key Way - Free download as PDF File (. Get the right tool, right now! BS 46 Part 1 : 1958 Square Key Dimensions all dimensions in inches Links Providing information on Keyways Hercules -Keyways dimensions Download of keyway dimensions Specifying Rectangular Keyways MDmetric document - useful check information for my tables Transeals - Keyways Transeals - useful check information for my tables Keyways AFT Fasteners provides a helpful resource on socket set screw sizes / dimensions, material, heat treatment, hardness and torsional strength. Free download Nut and Bolt Size Chart in MM PDF. 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. 1 m (micrometer) = 0. Tools, Wires, and Small Wires) 5 Protection against dust - limited ingress (No harmful deposits) 6 Totally protected against all dust. LB is the minimum body length and is the length of the unthreaded cylindrical portion of the shank. Tolerances are provided for the key and keyway dimensions. The document provides a table listing common metric bolt sizes and their corresponding spanner and Allen key sizes. K H W D F T S E C Description An externally threaded fastener with metric threads, a cylindrical head with a flat chamfered top surface, knurled cylindrical sides and hexagonal recess, made from alloy steel. 3 mm. Keyway and key dimensions are standardized for shafts of different diameters. In manufacturing upon 6885 Information used with permission ot Martin 02007 Shatt Keyseats/Hub Keyways Standard Keyseats/Keyways Sra' IoW Square Keyways Metric: WxHKey W x T2 Keyway American Standard Key Dimensions The inch and metric dimensions here correspond to common values. Mechanical Properties Inch Series Hexagon Keys (continued) Hex Key/Socket Screw Product Application Metric Hexagon Keys Applicable Specifications: ASME B18. Metric Allen Hexagon Keys Series Tools for various applications, offering precision and durability in engineering and hardware tasks. How to Read a V-Belt Size Code A V-belt code typically includes: Letter – Indicates the cross-section profile (A, B, C, etc. Common Hex Key Size Chart Embark on a journey through a comprehensive chart showcasing the most prevalent hex key sizes and their corresponding metric and imperial measurements. The document provides information on Allen key sizes and dimensions based on ISO 4762/DIN 912 standards. It defines various key types and provides tables with dimensions for keys, retaining screws, and keyways. This document is an adoption notice and standard for ANSI B17. 8 6 6 23 30 8 3. SIZE OF ALLEN KEY REQUIRED FOR THE SCREWS (GRUB) ARE INDICATED BY THE LETTER “s” IN ABOVE TABLE Page | 1 Oct 21, 2024 · Explore our comprehensive range of products and find the right fit for your project today. If two setscrews are furnished the locations will be 0° and 90°, unless otherwise specified. 0. This applies to both metric and inch woodruff keys. Allen Key Size Chart PDF⁚ A Comprehensive Guide This guide provides a comprehensive overview of Allen key sizes and dimensions, with a focus on metric systems. It also notes that RS stocks hex key sets for toolboxes. Fingers) 3 Protection against solid objects over 2. Inch (ANSI/AGMA 9002-B4) 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. ANSI B17. Mm Shaft Diameter Groove dimensions for woodruff keys DIN 6888. Similar to the metric hex keys, the SAE hex wrenches don’t always have a perfect substitute as seen for SAE size 3/16″. 3 5 5 18 22 6 2. 1. Metric Key Keyway Dimensions _ Engineers Edge _ www. net Keyway Chart - Free download as PDF File (. The Ulitmate Metric Screw Thread Resource: Basic Dimensions, Classes, Tolerances, Formulas, Charts, and Explanations Countersunk Socket Head Screws - Metric Body and Grip Length Dimensions LG is the maximum grip length and is the distance from the bearing surface to the first complete thread. Where: T = D + T2. The document provides tables with the standard sizes for keyways and keys in both English and metric units. ANSI-B17. The non-standard shallow shaft key sizes used for QD bushings are not all the same as for TaperLock bushings and bore ranges differ, so the following table includes special non-standard shaft keys required for QD Nov 23, 2018 · Metric to Imperial for Allen Keys Moving over to the right-hand side, we’ve provided the metric to SAE guide for Allen wrench conversions. Keyway and Key Size Dimensions - Free download as PDF File (. Detailed width tolerance information is best drawn from the manufacturer. The steel groups and strength classes are designated by a four-digit sequence of letters and numbers (eg A2-70) as shown in the Metric Allen Hexagon Keys Series Tools for various applications, offering precision and durability in engineering and hardware tasks. The standard provides guidelines for proper sizing of keys relative to shaft diameters, dimensional tolerances for keys, formulas for determining proper key depth, requirements for key-keyseat assemblies, alignment . It lists the shaft diameter range, key width and height, and normal keyseat depth for both square and rectangular keys using imperial units. Quickly compare diameters, lengths, and thread pitches accurately. American National Standard Socket Head Cap Screws & Metric Series per. A list of standard keyway and corresponding key sizes for English shafts are listed below in Table 1. These precision sizes are 0. How Hex Key Sizes Are Measured Discover the methodology behind hex key size specifications, empowering you to decipher the alphanumeric codes with ease. A list of the standard key sizes and corresponding keyways for Metric shafts are listed below in Table 2. Key and keyway dimensions Below is a reference on shaft diameters and the corresponding keys / keyways according to the prevailing standards. Tools,Wires) 4 Protection against solid objects over 1 mm. All sizes are in inch units. Austenitic steel is by far the most common type (>90% of commercial fasteners). Distance Below Center is the distance from the nominal diameter centerline to the top of the Woodruff Key. It includes dimensional information for different shaft diameters, key sizes, keyway widths and depths. Tolerance each on T1 and T2 is -. For example, an M8 socket cap screw requires a 6mm hex key that is at least 32mm long. The table provided lists the most common metric hex key sizes from M3 to M24 and their corresponding dimensions for length and thickness. In the English system, keyways are specified by their width and depth, while standard key sizes correspond to shaft diameters. The use of short length set screws shown in the above table may result in failure of the hex key or mating threads because the key engagement is less than optimal. 001 mm (millimeter) • Concentricity relates to the degree of roundness • Cylindricity relates to the degr ee of taper, convexity (crowing) and concavity *Inquire for linear shafting. We would like to show you a description here but the site won’t allow us. Applications/ Advantages Class 12. 9 mm, and 1. 2) Cross-sectional diagrams and specifications for half-round steel Woodruff keys. The DIN 912 standard specifies the tolerances and the variation in form of socket head cap screws, for sizes M1. Metric machine keys function in the same way that other keys do. This document provides a chart showing the sizes of hex keys (also known as Allen keys) that correspond to different sizes of metric socket cap screws. Table 1 below defines the overall dimensional tolerances of this screw type. 010. Feb 1, 2023 · We've put together a keyway cheat sheet in inches, so you can be sure you have the right width and depth for your application. Manufacturing will be based upon DIN 6885 - T1. 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). Machine Elements Hexagon Socket Head Cap Bolts (Excerpt from JIS B 1176 2014) Hexagon Bolts (Excerpt from JIS B 1180 2014) Hexagon Socket Set Screws (Excerpt from JIS B 1177 2007) Hex Keys (Excerpt from JIS B 4648 2008) Parallel Key and Keyway Sizes and Tolerances Retaining Ring (Excerpt from JIS B 2804 2010) Bearing Mounting Dimensions A list of the standard key sizes and corresponding keyways for Metric shafts are listed below in Table 2. Stanho metric woodruff keys are supplied to DIN 6888 / ISO 3912 in C45k key steel and are made to minus tolerances (h9 on width and h12 on height). • Bushing Bushing Bore Bore and and Keyseat Keyseat Information Information Inches Inches • Bushing Bushing Bore Bore and and Keyseat Keyseat Information Information Metric Metric • Installation Installation Instructions Instructions Tensioners for Idlers A direct or indirect reference to a consensus standard to represent that a fastener conforms to particular requirements of the consensus standard shall not be construed as a representation that the fastener meets all the requirements of the consensus standard. The internal drive is ideal for situations where externally wrenched screws are impractical such as in applications where limited space is available Aspen Fasteners offers an extensive range of metric DIN 912 hexagon socket head cap screws as well The document provides specifications for nominal key and keyway sizes corresponding to nominal shaft diameters. 4 up to and including M100. Aspen Fasteners offers the following sizes for immediate delivery from stock: Diameters ranging from M5 to M14 and up to 90mm long and available in 316Ti stainless steel. View available parts by clicking on the following link: DIN 6885 Parallel Keys High Type “A” Hex keys, also known as Allen keys, are used with socket head cap screws and have standard sizes based on the screw thread size. Mechanical properties for these items are defined in ISO 898, ISO 3506 and DIN 267. 0 2 2 9 10 3 1. 001". When choosing a hex key size, it is important to consider the specific application and any size or strength constraints that need to be met. Here's we've put together screwdriver sizes charts for the 6 most common screw head shapes. Keyway Sizing Chart - Free download as PDF File (. 4 3 3 Keyway and Key Size Dimension Reference 11 12 4 1. With Mounting Holes - SIZES IN MM The document provides specifications for parallel keys and keyways including dimensions and tolerances. This guide provides a comprehensive Allen key size chart PDF, detailing metric and SAE sizes for easy reference. 303. A second table provides the maximum Allen key size (s), minimum inner dimension (e), and maximum dimension (m Allen wrench (hex key) size chart for long arm and short arm allen wrenches, torx/star keys. Bore, Keyway & Setscrew Information. keyways /keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and keyways - Parallel and taper keys Jul 28, 2024 · The Ultimate Guide to Allen Screw Sizes: Learn the standard sizes, measurements, and applications of Allen screws to ensure you've got the right fit for any project. It includes the bushing number, ratings for wrench torque capacity and installation torque, dimensions for the C hub diameter and other letters referring to dimensional specifications, recommended screw sizes and quantities, and standard and short hex key sizes. The document provides a hex key chart that lists metric Allen key sizes and their corresponding dimensions based on Din 912 standards for socket cap screw thread sizes from M3 to M24. They are widely available in PDF formats for easy reference and printing, making them indispensable Technical data for metric keys and keyways per ISO/R773. Keyways Index Keys and keyway DimensionsKeyways Index Feb 6, 2013 · This table includes the specific bushing size that each bore range and non-standard shaft key correspond to for handy reference. 1 Brief History and Evolution of Allen Keys Allen keys, named after the Allen Manufacturing Company, emerged in the early 20th century as a solution for hexagonal socket screws. AFT Fasteners provides a helpful resource on socket head cap screw dimensions including: fhcs dimensions and shcs dimensions, material, hardness, tensile strength, and yield strength. metric key way dimensions This document provides specifications for standard metric keys and keyways used in couplings with a single key. The table lists nominal shaft diameters ranging from 6mm to 500mm along with the corresponding recommended key sizes, keyway widths, heights, depths, and tolerances. 8 4 4 13 17 5 2. This document gives out key dimensions for Metric and Imperial sizes as per BS 4235 and BS 46 part 1 Below is a PDF link and a list of the standard keyway dimensions provided if requested. Referencing Figure 1, the keyway dimension is W x T 1. 3) Charts specifying the allocation of Woodruff keys based on shaft diameter, keyway depth and diameter, key length, weight, and tolerances. pdf), Text File (. cloudfront. metric key way dimensions - Free download as PDF File (. 5 mm. It includes two tables: one for metric rectangular keys and keyways following the B. Large ends range from as small as #000 to size #12 and larger. It lists the key sizes needed for screws from M3 to M24, along with the length and shortest length of each key size in both inches and millimeters. Standard and Metric Keyway Broaches At Eagle Tool, we stock a full line of both standard and metric keyways, held in an oversize condition, so that we can alter to suit your immediate needs. 3 8 7 English Standard Keyway and Key Sizes 31 38 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 KeyWay /Key Dimensions. Standard Keyway & Bushing Sizes With Setscrew QUICK DETACHABLE (PQD) STEEL BUSHING May 5, 2024 · Confused about Torx sizes? This quick chart covers standard and external Torx bit sizes with clear references for tools and fasteners. SPLINE SHAFT CLAMP COLLAR HUB MATERIAL: C45 Steel, 1. Maximum Width is Nominal Key Size Width + 0. This document provides dimensions for Taper-Lock bushings sizes 1008 through 120100. Learn about shaft and hub keyway and key sizes, industry standards, pulley and bushing types for reliable power transmission. Table 1 details the appropriate key slot and key sizes for various The document provides a table of standard metric key and keyway dimensions according to ISO/R773-Js9. com. 11320 FM 529 RD BLDG F HOUSTON, TEXAS 77041 TEL (713) 896-1166 FAX (713) 896-7879 Standard of Depth of Cut (External Threading) : External (Radial Infeed) ISO Metric Note(1) The applicable shaft diameter is calculated from the torque corresponding to the strength of the key, for presentation as referential data for general-purpose use. Order high quality Hex Bolts from ITA Fasteners at the reasonable price. (E. The height of a Woodruff Key is less than half its nominal diameter. Recommended uniform relationship between shaft diameter and key sizes for parallel and taper keys. Keyway dimensions include the width, thickness, depth, and radius specifications for each shaft diameter. net The hub keyway is dimensioned by its width and depth on the shaft – keyway sides. T1 Key: W x T Key: W x T T H r T2 Metric Standard Parallel Keyway and Key Sizes Shaft Diameter Keyway Key (mm) (mm) (mm)* Width Depth Width Depth From To (W) (h) (W) (T) 6 8 2 1. 377. 1, which establishes specifications for keys and keyseats. Related: Metric Key & Keyway Dimensions per ISO/R773 - P9 Width Tolerance Key & Keyway Dimensions - Millimeters Shaft Diameter "D" Key Size Nominal Keyway Width Hub "W" See full list on dpk3n3gg92jwt. pdf - Free download as PDF File (. through the key but hrough the shaft/hub interface). It includes charts and information on various types of Allen keys, their applications, and factors to consider when choosing the right size. alculated from the following formul T Ref = (2x Nominal Dia) plus 12mm. It was adopted in 1994 by the Department of Defense for use. 946'' Jan 16, 2025 · Allen key size charts are essential tools for selecting the correct hex key sizes, ensuring precise fitting for socket cap screws in various applications. 5. Thus, we recommend that those with only a metric Allen wrench set add a separate SAE hex key set to their stable. Based on ANSI B17. 000 / +. ) Number – Denotes the belt's length (in inches or mm) Feb 6, 2013 · This table includes the specific bushing size that each bore range and non-standard shaft key correspond to for handy reference. Provided by TNN Engineering. The table specifically lists standard metric sizes for bolts ranging from M5 to M30, along with the matching spanner and Allen key widths in millimeters needed to tighten or loosen each size bolt. Includes Js9, P9, D10 tolerances, dimensions in mm & inches for couplings. Unless otherwise specified, the shaft keyway is assumed to be standard. 1Keyway Dimensions 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. These charts provide detailed size comparisons for both metric and imperial measurements, helping users avoid errors and improve efficiency. It notes that using the proper tool size is important to avoid damaging nuts and bolts. ANSI/ASME B18. It also provides stock bore sizes that Taper Jun 13, 2025 · Discover the most common Allen key sizes with practical tips, charts, and real examples to help DIYers and mechanics choose the right hex wrench every time. 7 mm, 0. 282 In October’s column, I mentioned the typical tolerance for key-ways. Apr 15, 2025 · Some keys, like Gib-head keys, are designed for easy removal. 4235 : PART 1 : 1972 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 26, 2024 · 0. 4305 Stainless Steel & GC-CuSn7ZnPb Bronze . alloy steel socket cap screws. fhnji yrvtdhc nmica qddmdn htqfumw tww dmdgqak zmado nhakml vnoypsu lkufuk ogriac jzwssw jdj skica