Bolt Size Head Diameter Thread Length Head Height Hex Key Size M3 6 12 1.7 2.0 M4 8 14 2.3 2.5 M5 10 16 2.8 3.0 M6 12 18 3.3 4.0 M8 16 22 4.4 5.0 M10 20 26 5.5 6.0 M12 24 30 6.5 8.0 M16 30 38 7.5 10.0 M20 36 46 8.5 12.0 Metric Class 8 Finished Hex Nuts s o m Pitches Width Across Width Across Thickness Flats Corners Coarse Fine Diameters min

The table below shows metric Allen key sizes and dimensions for corresponding socket cap screws based on Din 912 standards on thread sizes M3-M24. Screw Size (Thread Size) Allen Key Size Required A Length (Inches) A Length (mm) B Shortest Length (mm) RS Hex Key Part No. M3 2.5 2.2 56 18 609-562 M4 3 2.48 63 20 609-556 M5 4 2.76 70 25 734-911

This chart may be used for. Hex Bolts & Nuts ASTM A307A, Gr 5,. 304 & 316 Stainless Steel. 5/16''. 3/8''. 7/16''. Wrench Size. Bolt & Nut Diameter.

valve allen bolt qty key size remark sfa 25 2/8"x3/4" 4 3/16" body + bonnet srtainer 32 2/8"x3/4" 4 3/16" body + bonnet 38slc 2/8"x3/4" 6 3/16" coil housing 38slc 5/16" x 1" 4 7/32" bonnet+ coil cup microsoft word - sizes of allen bolts and key chart used for

While these metric Allen key sizes do exist, they rarely appear in your basic Allen wrench sets. Their purpose is largely to serve specialized applications where size constraints and strength requirements need to be met. These sizes are 1 mm, 1.25 mm, 3.5 mm, 4.5 mm, 5.5 mm, & 7 mm. Less Common SAE Sizes

Metric Standard Parallel Keyway and Key Sizes Shaft Diameter (mm) Keyway (mm) Key (mm)* From To Width (W) Depth (h) Width (W) Depth (T) 6 8 2 1.0 2 2 9 10 3 1.4 3 3 11 12 4 1.8 4 4 13 17 5 2.3 5 5 18 22 6 2.8 6 6 23 30 8 3.3 8 7 31 38 10 3.3 10 8 39 44 12 3.3 12 8 45 50 14 3.8 14 9 51 58 16 4.3 16 10 59 65 18 4.4 18 11 66 75 20 4.9 76 86

A set of hex key wrenches also called Allen wrenches. Image credit: NC_1/Shutterstock.com. Fasteners come in a wide variety of types, sizes, and materials.

The table below shows metric Allen key sizes and dimensions for corresponding socket cap screws based on Din 912 standards on thread sizes M3-M24. Screw Size (Thread Size) Allen Key Size Required A Length (Inches) A Length (mm) B Shortest Length (mm) RS Hex Key Part No. M3 2.5 2.2 56 18 609-562 M4 3 2.48 63 20 609-556 M5 4 2.76 70 25 734-911

Includes core Journeyman™ T-handle hex-key features plus: • Short blade-through handle provides maximum tool versatility. Cat. No. Hex Size. Blade Length.

The tool is rotated by holding it with its long handle, producing a greater torque at the tip of the shorter handle. Allen wrenches are designed 

EIGHT TOOL's hex key wrench should be used for an important screw.” In addition, specifications, dimensions and design of the product are subject.

These dimensions of allen keys can be used to check the accessibility of your bolts were space is limited. For example for an M8 socket head cap screw we need at least 32+8 (head size) = 40mm clearance above the screw for easy accessibility.

Dimensions d. M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 M36 M42 (key size) Preferred Lengths. Thread (d).

Allen key size chart pdf file size pdf file. Also, inferior materials used in the manufacturing of either the wrench or the screw can render them easy to damage in spite of the increased number of pressure points. This is valuable for applications where the working clearances are such that a head-on use of the tool is not possible or where the

Computed with coefficient of friction of 0.15 and the dimensions of American National Standard Hex Nuts. TORQUE COEFFICIENTS - COMPUTED.

A hex key is a simple driver for bolts or screws that have heads with internal hexagonal recesses (sockets). Hex keys of various sizes.

A complete chart of Allen wrench sizes for both metric & SAE. View all the common hex key sizes that are seen in standard sets at Hand Tool 

The table below shows metric Allen key sizes and dimensions for corresponding socket cap screws based on Din 912 standards on thread sizes M3-M24. Screw Size (Thread Size) Allen Key Size Required A Length (Inches) A Length (mm) B Shortest Length (mm) RS Hex Key Part No. M3 2.5 2.2 56 18 609-562 M4 3 2.48 63 20 609-556 M5 4 2.76 70 25 734-911

Allen key size chart pdf full size Allen wrench size chart explained below consists of the hex size, suitable long arm length and also short arm length. It is designed to help you in the workshop and use a proper Allen wrench when needed. Keep in mind that wrenches made from stainless steel won’t corrode or rust regardless of how and where

Allen wrench (hex key) size chart for long arm and short arm allen wrenches, torx/star keys. Provides dimensions for inch and metric allen wrenches.

Inch Series Hexagon Keys. Nominal. Key. Size. F. Hex Width. Across. Flats. Max. Min. C. Hex Width. Across. Corners. Max. Min. S. Length. Of Short.