Allen Key Sizes In Mm Pdf
C at alog 1 4 p p.
Allen key sizes in mm pdf. Thread metric d thread length b head diameter dk min dk max head high k min k max key width s nominal s min tmin. Brown allen keys are made from special grade alloy steel which withstands upto 30 higher torque as compared to allen keys made from crv steel higher hardness of 57 to 62 hrc offered in case of brown allen keys along with superior steel properties enables upto 30 higher wear resistance as compared to crv steel allen keys. Screw size thread size allen key size required a length inches a length mm b shortest length mm rs hex key part no. Substituting uncommon hex sizes.
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. 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. In the united states larger metric half sizes like 6 5 mm aren t standard in most hex key sets. These sizes are 1 mm 1 25 mm 3 5 mm 4 5 mm 5 5 mm 7 mm.
Lastly there s one other added benefit to having both sae metric hex keys. 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. While these metric allen key sizes do exist they rarely appear in your basic allen wrench sets. Allen keys mm sizes brown finish.
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. 3 32 9 aw58250 3 16 9 aw58260 7 64 9 aw58252 7 32 9 aw58262 1 8 9 aw58254 1 4 9 aw58264 9 64 9 aw58256 5 16 9 aw58266 5 32 9 aw58258 3 8 9 aw58268. Generally conforming to is 3082 1988. Dimensional table of allen din 912 bolt.
However the 1 4 sae hex wrench will likely work in place of a 6 5 mm wrench. Less common metric sizes. Their purpose is largely to serve specialized applications where size constraints and strength requirements need to be met.