Hex socket sizes. 5/16” Hex Insert Bits .

Hex socket sizes. 9 socket cap screws are comparable, but not exactly equivalent to U. Choose from our selection of hex bit socket sets in a wide range of styles and sizes. Oct 17, 2014 · Hex Bolt, Lag Bolt, Square Bolt and Heavy Hex Bolt. Hex bolts are used in construction, automotive work, machinery, and countless DIY projects. Mar 4, 2020 · Looking for an easy way to convert metric wrench sizes to standard measurements? Check out our comprehensive metric to standard wrench conversion chart. Learn how to measure socket drive size and choose between SAE and metric sockets. This complete socket sizing guide covers drive hole dimensions, socket lengths, and conversion charts for hand tools and automotive repair. Same and Next Day Delivery. Mar 21, 2025 · Finally, the 3/4-inch drive is reserved for the most demanding tasks, capable of accommodating very large sockets used on heavy equipment and machinery․ The chart also includes information on hex key sizes, equivalent standard bolt diameters, and various socket types (such as regular hex, heavy hex, socket head, and button/flat socket)․ ANSI Socket Head Screw Engineering Dimensional Data Table Chart - Engineers Edge Hardware ANSI Engineering Data ANSI Socket Head Screw Engineering Dimensional Data Table Chart per ASME / ANSI B18. Diameter Socket #1 1/16 7/8 1 1/16 1 1/4 1 7/16 1 5/8 1 13/16 2 2 3/16 2 3/8 2 3/4 Nov 5, 2024 · The complete guide to American Standard Hex Socket Screws. Whether you’re tackling automotive repairs, bike Feb 25, 2020 · A complete chart of Allen wrench sizes for both metric & SAE. You can quickly use the conversion chart to check your metric socket size against your SAE socket size and vice versa. For milled- from-bar hex nuts, he Aug 13, 2024 · A definitive guide to understanding hex key screw sizes. This handy tool provides a quick reference guide for converting metric wrench sizes to their corresponding standard measurements. For chamfered hexagon sockets, the NO GO gage member shall be permitted to enter only to a depth equivalent to 10% of the nominal socket size for nominal socket sizes up to and including 1⁄16 in. and the other end of the socket bit fit in the female recess on the fastener head. It is tightened using a wrench or socket and is commonly paired with a nut and washer. Get a quote for Hex Anchor Bolts, Hex Head Bolts and all kinds of Bolts or just call our sales team now. Some important notes from the ASME B18. 2 Hardware ANSI Menu Heavy Hex Nut dimensions per ASME B18. Jul 28, 2024 · In the US, hex key sizes are defined in ANSI/ASME standard B18. METRIC HEXAGON SOCKET HEAD CAP SCREW DIMENSIONS Metric hexagon socket head cap screw dimensions including M3, M4, M5, M6, M8, M10, M12, etc. And regardless if you are looking for a grade 5 hex cap screw or a grade 8 hex cap screw, their dimensional measurements will be identical. 8, 10. Supplies greater tensile strength than equivalent sizes of Class 8. The standard metric hex key sizes are defined in ISO 2936:2014 "Assembly tools for screws and nuts—Hexagon socket screw keys", also known as DIN 911. Oct 17, 2014 · ANSI B18. nominal size shall be checked with the hexagon socket gages and gaging specified in Appendix of ASME B18. Finding the best socket sets for your project is important, but it isn’t the only tool you need to get right. Monster Bolts. Related: Socket Head Cap Head Screws Size Table Choose from our selection of hex bit sockets, including over 3,500 products in a wide range of styles and sizes. 9M Metric Heavy Hex Flange Screws ISO 4228 Spanners and wrenches -- Spline drive ends for power socket wrenches ISO 724 - Metric Threads Aug 26, 2025 · A hex bolt is a threaded fastener with a hexagonal head. Jul 17, 2023 · Their products are formed from high-grade steel alloys and include the Stahlwille Bi-Hex 24-Piece Socket Set, which contains a spark plug socket as well as bi-hex sockets sized 8mm-19mm and hex screwdriver sockets between 3mm and 10mm. ASM lists screw sizes for a variety of socket cap screws including fillet dimensions, nominal screw sizes, head & body diameter, socket size, head height… Aug 13, 2025 · Read the Hex Nut Chart to determine hex bolt types, dimensions, grades, torque, weight and wrench sizes. A hex bit is an unbent piece of such a bar. The following chart is applicable for hex, square and lag bolts. 3 mm, 1. AFs typically range from 5/16 inch to 1-1/8 inches, depending on the diameter of the bolt. Class 12. Common sizes include ⅜ inch, ½ inch, and ⅝ inch. Material Screw and Bolt Dimensions Charts and Tables for Hex Head Bolts, Heavy Hex Head Bolts, Hex Head Cap Screws, Heavy Hex Head Cap Screws, Button Head Cap Screws, Socket Head Cap Screws, Flat Head Socket Cap Screws, Low Head Socket Cap Screw, Set Screws and Machine Screws. 3-1998 "Socket Cap, Shoulder, and Set Screws (Inch Series)". com www. How do I determine the Wrench size or Hex Key size for Hex Head Bolts and Socket Heads? DIAMETER Sep 19, 2024 · The standard socket size is determined by the opening on a socket wrench, designed to fit a specific nut or bolt size. While you have full socket sets, it can sometimes take ages to find the right-sized socket. 9 hex head cap screws while requiring less surface area or conterbore since the fastener is internally Apr 14, 2025 · Explore MISUMI USA's metric socket head cap screw chart for find the right dimensions for your next project. Bolt dimensions as per ASME B18. Imperial and metric measurements included. Related Resources: hardware Metric Socket Head Cap Screws Size Table Engineering ANSI Hardware Design Data Engineering Metric Hardware Design Data All dimensions are in millimeters. . All dimensional data is given in inches. Sizes for Hex Bolts, Lag Bolts & Square Bolts in Inches Refer to this chart to find the appropriate head size and corresponding wrench or socket size for hex bolts, heavy hex bolts, lag bolts, or square bolts. Jul 20, 2023 · Big jobs or small, there's a hex key for that. Two dimensions are important with respect to Torx Inspecting Hex Socket Recesses Hex recessed socket head cap screws are the highest performance standard commercial screws in both the inch and metric series. Discover how UF-TOOLS can help with custom socket sets and OEM tools. Sockets are made that are deeper than the normal socket 5/16” Hex Insert Bits Refer to Page iv for description of Rapid Select. 2. Get precise dimensions for heavy hex nuts including width across flats corners and thickness to ensure the right fit for your projects today. SAE to Metric Conversion Chart HEX KEY SIZES CHART Hex key socket sizes chart according to ASME B18. AFT Fasteners provides a helpful resource on socket set screw sizes / dimensions, material, heat treatment, hardness and torsional strength. Aug 1, 2014 · How to measure socket drive sizes and socket wrench sizes? Tien-I Socket Set manufacturer provides the overall and complete Socket Size with service of hand tool knowledge and usage. Sockets Sockets, also known as socket cap, socket head, or socket screws, are a type of threaded fastener and cap screw that have sockets in their head through which torque is applied to screw the fastener. 9 with the 12. The most important reasons for the increasing use of Some popular types of metric hex head screws include hex socket head cap screws, hex flange screws, and hex tap bolts. Find the ideal socket head cap screw key size with this comprehensive chart, including decimal equivalents, hex key sizes, head heights, and diameters. 3) Common Socket Size Chart Transitioning from understanding the differences between metric and imperial measurements to practical application, we now unveil a comprehensive socket size chart. 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 Screws and Bolts : Detailed specifications for various types, including Hex Head, Socket Head, Pan Head, Set Screws, Lag Screws, and TORX fasteners. Rapid Select bit part numbers have the heat treat code noted. Learn more about the size order of socket wrenches from this article. 5 to 5 mm in 0. It lists the diameters and corresponding wrench, hex key, and socket sizes for hex bolts, nuts, and screws from 1/4 inch to 3 inches in diameter for inch fasteners and from M3 to M48 for metric fasteners. The standard metric hex key sizes are defined in iso 2936:2014 assembly tools for screws and nuts—hexagon socket screw keys, also known as din 911. Allen Key (Hex Key) and Hex Bit Sizes Chart to show dimensions of Allen keys (Hex keys) and bit sockets according to ASME B18. They are available in metric (M-sizes) and imperial (inch/SAE sizes). It is important to note that the width of an Allen screw is different from the length, thread pitch, and head size. Whether it's a bolt head, a nut, or a socket, the accuracy of the hex size measurement directly affects the ease of use and structural integrity. Here we will learn Socket Size Chart - Socket Sizes in Order from Smallest to Largest. Depending on the type of socket head, a certain tool is required to fasten the screw in place such as a screw driver or Allen wrench. Hex key size 6605 n. Regardless if you’re looking for a grade 2, 5 or 8 hex bolt, the dimensions will be identical and the difference lies only in the material. Unlike the head of hex and bi-hex sockets, which is available in both metric and imperial sizes, the drive socket is always sized in imperial measurements. [Download our printable standard bolt size chart pdf. 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. Hex socket screws can be made Explore M5 screw and bolt sizes with Monster Bolts. socket wrenches metric sizes The tables below show the commonly-available sizes of metric socket wrenches and the fasteners they fit. Hexagonal (Hex) keys (Allen Keys) and bits sockets are tools which are used to drive screws with a hexagonal socket. ASME B18. Dec 23, 2024 · The size of the hex bolt head, specifically the distance across the flats (AF), dictates the wrench or socket size needed for installation and removal. Mar 14, 2025 · Standard Bolt Sizes (US) Our chart provides detailed specifications for standard US hex bolts, helping you select the right bolt size for your project. Perfect for DIY projects and professional use. Hex keys are formed from a single piece of hard hexagonal steel rod, having blunt ends that fit snugly into similarly shaped screw sockets. Applications/ Advantages Designed to be inserted into a like-sized, hollow recess of a socket screw to manually tighten or loosen the fastener. 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. 1 for inch series bolts and screws. Aug 13, 2024 · Hex socket screw sizes vary depending on the type of screw and the application. At the other end of the socket is the drive socket, which is used to attach the socket to a ratchet, torque wrench or other type of turning tool. Connect the wit ratchet with the use of a square drive connector like a hex socket. The most common sizes are ¼”, ⅜”, ½”, ¾” and 1″. Machine screws, sheet metal screws, all thread rod, carriage bolts, lag screws, structural a325. Metric socket head cap screws come in three property classes; 8. 3-2003 standard. Offering both SAE & metric size guides for finding the right substitute hex. bolts: Hex Key Chart Hex Key (also known as Allen Key, Hexagon Key and Socket Key), sizes and its dimensions are used to determine which size hex key is required for use with the applicable fastener depending on the thread size of the fastener. Nov 23, 2018 · The ultimate guide to Allen wrench conversions at Hand Tool Essentials. Standard Torx Bit Sizes Chart The following is a Torx Bit Sizes Chart for Internal Torx. ANSI (inch) Hex and Jam Nut Size Table Chart Hardware ANSI Menu The following tables provide Hex Nut and Jam Nut dimensions per ASME / ANSI B18. 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. Order high quality Hex Bolts from ITA Fasteners at the reasonable price. For example, if you have a screw with TX size, then you have to use a Torx Screwdriver or drive bit of TX size only. 3-2003: - Following dimensions of sockets apply before plating. Copyright © Bolt Depot 2000-2025 Bolt Depot, Inc. Mar 13, 2025 · A detailed guide on set screw sizes (metric & inch), types, torque specifications, and dimensions, covering hex socket set screws, material-based torque values, and tip styles for precise applications. Metric Allen Hexagon Keys Series Tools for various applications, offering precision and durability in engineering and hardware tasks. S. , and to 7. Only the material that they are made from is different. May 28, 2024 · Master the essentials of socket sizes and measurements with our complete guide. 5% of the nominal socket sizes for larger sockets. Socket screws are a type of threaded fastener with sockets in their heads through which torque is applied to screw the fastener. Drilled head metric hexagon socket head cap screws normally are not available in screw sizes smaller than M3 nor larger than M36. Nov 11, 2024 · Hex key sizes Hex keys are designated with a socket size and are typically sold in kits with a variety of sizes. Inch Series Screws / Bolts Button Head Socket Cap Screws Dimensions (ASME B18. View all the common hex key sizes that are seen in standard sets at Hand Tool Essentials. American National Standard and Unified Standard Hex Nuts and Jam Nuts and Heavy Hex Nuts and Jam Nuts Hex Nut Wrench Openings Table for Hex and Square Nuts per. American National Standard T-Slots ANSI/ASME B5. Available in a range of sizes from M2 to M42 and din 933. , screw sizes are shown in the following chart according to ISO 4762:2004 standard. Mar 8, 2016 · Sizes of metric socket wrenches. ] Nominal Size or Basic Product Diameter Body Diameter Width Across Flats Width Across Corners Head Height Thread Length | Screws 6 Inches & Shorter Find the right hex key and wrench sizes for metric fasteners. Jan 21, 2022 · Socket sizes and wrench openings for tightening nuts and bolts are determined by the dimension across the flats of either the nut or bolt head. Ideal for precision assembly work with close tolerances and applications needing a well-tooled appearance. *The tabulated dimensions represent direct metric conversions of the equivalent inch size spline sockets shown in American National Standard Socket Cap, Shoulder and Set Screws — Inch Series ANSI B18. 11320 FM 529 RD BLDG F HOUSTON, TEXAS 77041 TEL (713) 896-1166 FAX (713) 896-7879 Jun 2, 2025 · Socket bits are made with screwdriver bits and hex sockets. May 31, 2023 · But it can quickly turn into a nightmare if you use the wrong socket and strip the hex bolt and end up having to use alternative bolt extraction methods. 1. Head and wrench size U. 400. The chart is applicable 99% of the time for open end, box end, 6 and 12 point sockets. 3 and ASTM A574. Provides dimensions for inch and metric allen wrenches. This document provides a size chart for various types of tools used with inch and metric fasteners. 3. Here, you can learn how to measure a nut for socket size. Therefore, the spline keys and bits shown therein are applicable for wrenching the corresponding size metric spline sockets. 6 up to and including M64. Jan 3, 2023 · Screwdriver hex-bit size standards and types explained – so you don’t make a mistake when buying tools and spare bits… AFT Fasteners provides a helpful resource on hex head cap screw dimensions, applications, material, hardness, proof load, yield strength and tensile strength for grade 2, grade 5, grade 8 and stainless steel hex cap screws. ISO 4026 hexagon socket set screws with flat point Table Jun 25, 2025 · Learn the difference between SAE and Metric socket sizes, and download a free conversion chart. The chart includes wrench sizes for standard hex, heavy hex, and box/end wrench DIMENSIONS OF COUNTERBORING FOR HEXAGON SOCKET HEAD CAP SCREW AND BOLT HOLE LOW HEAD SOCKET CAP SCREWSHEX WRENCH Jul 2, 2015 · Metric Hex Bolt Size & Dimensions | Metric Hex Bolt Sizing ChartMetric Hex Bolt Dimensions * All measurements in millimeters * Apr 19, 2023 · Master the relationship between bolt size and wrench size with our chart. A hex key (also, hex wrench, Allen key and Allen wrench, Unbrako or Inbus) is a simple driver for bolts or screws that have heads with internal hexagonal recesses (sockets). socket size is defined as the dia of the opening. Nov 14, 2022 · Whether you just got your first socket set, want to know which sizes you’re missing in your socket organizer, or simply need a quick reference to see if a metric size converts to SAE, check out the tables below to see the all socket sizes from smallest to largest. Therefore, all you have to do is look at a hex bolt dimensions chart and you will find everything you need to know. The head of a hex bolt typically measures six sides, hence the name “hex. Learn about the standard of DIN 911, ISO 2936, including size chart for short arm hex keys and long arm hex keys, allen wrenches. Learn about the different types of hex keys, their sizes, and how to choose the right one for your project. Nov 22, 2023 · Socket wrenches come with long handles to which different size sockets can be attached for tightening different size fasteners. 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 : Dome Head/Fairing Bolts : Knowing what size wrench or socket to use on a bolt can save hours of time and frustration. 1M Heavy Hex Nut Size Table Chart per. HEX SOCKET DIMENSIONS Hex socket dimensions are shown in the following chart according to ASME B18. USA citizens: To convert mm to inch, divide by 25. alloy steel socket cap screws. Its design allows for a more robust grip, enabling users to apply higher torque compared to traditional hex keys. 8 or 10. com DescriptionA hex key is a six-sided shaped bar bent at a 90° angle at one end. All dimensions are in inches. All countries in the world except USA use millimeters (mm). Here we will learn the socket size chart—socket sizes in order from smallest to o largest. It is important to match the correct bolt size with the corresponding wrench or socket size to ensure proper tightening. According to the Machinery’s Handbook, 26th edition, “Wrenches are marked with the ‘nominal size of wrench’ which is equal to the basic or maximum width across flats of the corresponding nut”. Home | Product catalog | Customer service | About Us | Fastener information Accessibility statement | Terms and AFT Fasteners provides a helpful resource on shoulder bolt dimensions, tolerance on length, material, hardness, and strength. 3 standard. Heavy Hex Nut Width Across Flats The width across flats of nut shall be the distance measured, perpendicular to the axis of nut, overall be tween two opposite sides of the nut in accordance with the notes on respective dimensional tables. Jul 16, 2021 · Use our bolt size chart to learn how to measure bolt size and the different dimensions of a bolt. Wrench Size Charts This chart may be used for Hex Bolts & Nuts ASTM A307A, Gr 5, 304 & 316 Stainless Steel This chart may be used for Heavy Hex Bolts & Nuts A307 Gr B, A325, A193 B7, B8 (304), B8M (316) Stainless Steel Shoulder Screw Socket Head Socket Head Shoulder Screws size chart per. ISO 4026 specifies the characteristics of hexagon socket set screws with flat point and threads from M1,6 up to and including M24 and of product grade A. The inch socket head cap screws have strength levels between 170,000 and 180,000 PSI, which is 20% stronger than Grade 8 bolts. HEX BOLT SIZES CHART Hex bolts sizes per ASME B18. Common sizes include 1/4 inch, 3/8 inch, 1/2 inch, 3/4 inch, and 1 inch, with additional sizes available for specialized applications. A 12-pt socket fits both hexagonal, square (sort of), and 12-pt heads (the last found mainly in aerospace bolts, but also on automobile engines as, for example, head bolts). Standard USA Hex Socket Outside Diameters (All dimensions in units of mm unless otherwise specified. 9, which is Hex Key Chart ENGLISH Hex Key (also known as Allen Key, Hexagon Key and Socket Key), sizes and its dimensions are used to determine which size hex key is required for use with the applicable fastener depending on the thread size of the fastener. Learn about the different types, their applications, and how to identify the right one for your project. The full set of defined sizes are: 7 mm, 0. SHCS dimensions for m6, m5, m4, m3, and much more. The size of the hex socket screw will depend on factors such as the basic screw diameter, the head diameter, the thread length, and the length of the screw. Use the Mudge Fasteners bolt head size chart to determine the head size, and wrench or socket size required, for any hex bolt or lag screw you use. 9, and 12. Nov 25, 2022 · Socket Sizes In Order With many different socket sizes, types and sets to choose from, it can be challenging to organize a collection of sockets tailored to your needs. Active voice propels us through this section, where we detail the most common socket sizes alongside their corresponding metric and imperial measurements. It’s important to choose the right size and type of hex screw for your application to ensure proper fit and maximum holding power. 33 The Role of Hex Size Hex size is pivotal in determining how hexagonal components interact and fit within a larger assembly. Learn hex key sizes from mini wrenches to industrial keys and their common uses. HEX KEY SIZE Inch Size Regular Hex Heavy Hex Socket Head C/S Button/Flat Soc C/S Metric Allen wrench (hex key) size chart for long arm and short arm allen wrenches, torx/star keys. 5 mm increments, 5 mm to 19 mm in 1 mm increments, and 21 Dec 23, 2022 · Socket Conversion Size Chart Here you can find the socket sizes in order from the smallest to the largest you are most likely to use in the home or on your vehicle (and a complete socket set). 9 mm, 1. Complete chart for socket cap, low head, button head, flat head screws, and common nut types. Charts include head height, head diameter, and drive sizes for hex, socket, button, flat, and Phillips screws. Dimension units in inches. ISO 4762 specifies the properties of hexagon socket cap screws with coarse pitch thread from M1. - Sockets up to and including 1 in. Hexagon Keys are furnished as Short Arm Series or Long Arm Series. This page will help you discover the precise order of Metric and Standard socket sizes, for each set and type, and ensure your sockets are organized and ready to work. 2 1987 (1999). 1999-11-24, Rev. Hex Socket Head Cap Screws +1 (610) 904-8616 sales@nickel-systems. ) Dec 15, 2022 · The size of the screwdriver or the drive bit must match with the size of the Torx screw. ” The bolt head’s size is typically measured from one flat side to the opposite side. Learn how to choose the right tools for your mechanical projects. nickel-systems. 3 Spark Plug Threads Sizes and Tapped Hole Table Tap Drill Hole Size based on Precentage of Full Thread Equation and Calculator Dimension and Tolerances Table for T-Slots, Bolts, and Nuts T-Slots, Bolts, and Nuts per. It covers standards like ISO, DIN, BS, and ANSI/ASME. Metric sizes of the hex socket are defined by ISO 4762 (socket head cap screws), ISO 4026 (socket set screws with flat point), ISO 4027 (socket set screws with cone point), ISO 4028 (socket set screws with dog point), and ISO 4029 (socket set screws with cup point). Mar 18, 2024 · Hex Socket and Hexagon Wrenches Hex Socket Wrench The hex socket wrench, also referred to as a hex bit socket, is an essential tool used in conjunction with a ratchet or driver for securely fastening and loosening hex screws. 2 - Dimensional data may also be used to define 3D Printing Model nut capture geometry width. That’s why it’s a good idea to first check what size socket you need because there are several different sizes. Jun 9, 2023 · View a socket size chart as well as a conversion chart for easy reference. 1999-11-28. mhng k4 4t 34wny 5av7fr izox xxkbx 1kofhgvg92 yojf fn0

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