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Fasteners near Denver, Colorado

Metric Threads

Metric thread pitch information.

DIAMETER THREAD PITCH DRILL SIZE FOR TAPPING
- Fine Coarse Fine Coarse
M1 - .25 - .75
M1.4 - .3 - 1.1
M2 - .35 - 1.5
M2.2 - .45 - 1.7
M3 - .5 - 2.0
M3.5 - .6 - 2.9
M4 - .7 - 3.3
M5 - .8 - 4.2
M6 - 1.0 - 5.0
M7 - 1.0 - 6.0
M8 1.0 1.25 7.0 6.8
M10 (1.0), 1.25 1.5 (9.0), 8.8 8.5
*M11 1.0 1.5 10.0 9.5
M12 1.25, (1.5) 1.75 10.8, (10.5) 10.2
M14 1.5 2.0 12.5 12.0
M16 1.5 2.0 14.5 14.0
M18 1.5 2.0 16.5 15.5
M20 1.5 2.51 8.5 17.5
M22 1.5 2.5 20.5 19.5
M24 2.0 3.0 22.0 21.0
*M25 1.5 - 23.5 -
*M26 1.5 - 24.5 -
M27 2.0 3.0 25.0 24.0
*M28 2.0 - 26.0 -
M30 2.0 3.5 28.0 26.5
M33 2.0 3.5 31.0 31.0
M36 3.0 4.0 33.0 32.0
M39 3.0 4.0 36.0 35.0
M42 3.0 4.5 39.0 37.5
M45 3.0 4.5 42.0 40.5
M48 3.0 5.0 45.0 43.0
M52 3.0 5.0 49.0 47.0
M56 4.0 5.5 52.0 50.5
M60 4.0 5.5 56.0 54.5
M64 4.0 6.0 60.0 58.0
M68 4.0 6.0 64.0 62.0
M72 6.0 - 66.0 -
M76 6.0 - 70.0 -
M80 6.0 - 74.0 -
M1 - .25 - .75
*NOT RECOMMENDED FOR FASTENERS

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