The important parameter that establishes the size of the Allen™ wrench or Allen™ key is the width across flats, which is the distance between any two of the faces of the tool that are parallel to each other. Image credit: E.Edwards/Thomasnet.com Figure 1 - The cross-section of an Allen™ key showing the measurement for width across flats In addition to the precision sizes mentioned above, the common metric Allen wrench sizes are 1.5 mm, 2 mm, 2.5 mm, 3 mm, 4 mm, 4.5 mm, 5 mm, 5.5 mm, 6 mm, 7 mm, 8 mm, 9 mm, & 10 mm. Of these sizes, some of the more popular ones are 2.5 mm, 3 mm, 4 mm, 5 mm, 6 mm, 8 mm, & 10 mm. Common SAE Hex Key Sizes
Allen key sizes
Pro Tips: 3/8″ can be used as a substitute for hex size 9.5 mm as well as 10 mm 1/16″ works in place of hex size 1.5 mm, which isn't included in most sets When you reference the hex key conversion chart above, do be aware that using a smaller size bit will increase your vulnerability for stripping the hardware. Hex socket (Allen) Security hex Double-square Triple-square 12-spline flange Double hex Hexalobular Torx Polydrive Torx ttap External Torx Three-pointed Tri-point Common metric hex key sizes include 1.5 mm, 2 mm, 2.5 mm, 3 mm, 4 mm, 4.5 mm, 5 mm, 5.5 mm, 6 mm, 7 mm, 8 mm, 9 mm, and 10 mm. Imperial Allen Keys: These are used with imperial screws and bolts. The imperial system is used for most screws and bolts sold in U.S. hardware stores. Allen keys are needed for many components on vehicles due to their ability to apply high torque without the risk of stripping the fastener. Fluid lines and brake calipers are just two of the many places you'll need to use a key. Electrical and Plumbing
Allen Wrench Sizes (Illustrated Charts & Table)
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. Allen wrenches go by a variety of names (allen keys, hex keys, etc.), and come in a wide variety of sizes and shapes. They come packaged with just about anything that requires assembly too. But using them effectively requires a bit of knowledge about allen wrench sizes. Contents What Are Allen Wrenches? Allen Wrench Sizes Allen Key Wrenches | McMaster-Carr Filter by System of Measurement Inch Metric Drive Size 2 3/16 mil 0.028" 0.031" 1/32" 0.035" 0.039" 3/64" 0.047" 0.050" 0.059" 1/16" 0.070" 5/64" 0.079" 3/32" Drive Style Clutch Drilled Spanner External 12-Point External Hex External Square Hex Hex with Pilot Recess Phillips Pozidriv® Slotted Square 3/8″ can be used as a substitute for hex size 9.5 mm as well in 10 mm. 1/16″ works in place of hex size 1.5 mm, which isn't contained in most sets. When you reference the hex key conversion chart above, do be attentive that using a smaller size bit will increase your vulnerability for stripping aforementioned hardware.
Tailles des clés Allen Tableau des clés hexagonales métriques et SAE Jeux standard Info Cafe
Allen Key (Hex Key) and Hex Bit Sizes Chart to show dimensions of Allen keys (Hex keys) and bit sockets according to ASME B18.3-2003 standard. Hexagonal (Hex) keys (Allen Keys) and bits sockets are tools which are used to drive screws with a hexagonal socket. Hexagon Keys are furnished as Short Arm Series or Long Arm Series. Sizes of Allen wrenches ☙ Allen wrenches. Need decimal equivalents of the common inch fractions? See this table. Inch; Hex key size, inches set screws cap screws; 0.028 #0, #1 : 0.035 #2 : 0.050 #3, #4-40 UNC #0: 1/16 #5, #6-32 UNC #1: 5/64 #8-32 UNC #2, #3: 3/32 #10-32 UNF; #10-24 UNC #4, #5: 7/64 #6: 1/8: ¼-20 UNC; ¼-28 UNF : 9/64.
Allen Keys | McMaster-Carr (562) 692-5911 Filter by System of Measurement Inch Metric Drive Size 0.028" 0.031" 1/32" 0.033" 0.035" 0.039" 3/64" 0.047" 0.048" 0.050" 0.059" 0.060" 1/16" 0.069" 0.070" Drive Style 4-Flute Spline 6-Flute Spline Clutch Drilled Spanner External 12-Point External Hex External Square Hex Hex with Pilot Recess Phillips Allen Key (Also known as Hex Key, Hexagon Key, Socket Key, LN Key), sizes and its dimensions can be very handy while designing and selecting fasteners for your application. These dimensions of allen keys can be used to check the accessibility of your bolts were space is limited.
Home & Garden 9pcs Allen Wrench Hex Key Set Tool Alan Hex Metric Ball End Short Long Arm Trox
In the United States, larger metered half sizes liked 6.5 mm aren't standard on most hex key sets. Nevertheless, which 1/4″ SAE hex wrench will likely work in place regarding a 6.5 mm wrench. In scenarios like these, use one flipchart to estimate the correct selectable. You can test different sizes till you find the best match. Allen wrench (hex key) size chart for long wrist also short arm allen wrenches, torx/star key. Provides dimensions in inch and metric allen wrenches. The loop is designed to allow you to put a direct the thin tool through the loop, like a long-term screwing, giving you addition power at turn the spanners. This technique is a great way to.
