CSN 21151

Dimensions for CSN 21151 - Slotted countersunk head screws

Thread d p a b dk k n r t x
max min nominal=max min max nominal max min max min max max
M1 0.25 0.5 Full thread 1.9 1.76 0.6 0.25 0.31 0.45 0.1 0.2 0.3
M1.2 0.25 0.5 2.3 2.06 0.72 0.3 0.36 0.5 0.12 0.25 0.35
M1.4 0.3 0.6 2.6 2.46 0.86 0.3 0.36 0.5 0.14 0.28 0.4
M1.6 0.35 0.7 15 3 2.86 0.96 0.4 0.46 0.6 0.16 0.32 0.45 0.9
M2 0.4 0.8 16 3.8 3.5 1.2 0.5 0.56 0.7 0.2 0.4 0.6 1
M2.5 0.45 0.9 18 4.7 4.4 1.5 0.6 0.66 0.8 0.25 0.5 0.7 1.1
M3 0.5 1 19 5.6 5.3 1.65 0.8 0.86 1 0.3 0.6 0.85 1.25
M3.5 0.6 1.2 20 6.5 6.14 1.93 0.8 0.96 1 0.35 0.7 1 1.5
M4 0.7 1.4 22 7.5 7.14 2.2 1 1.06 1.2 0.4 0.8 1.1 1.75
M5 0.8 1.6 25 9.2 8.84 2.5 1.2 1.26 1.51 0.5 1 1.3 2
M6 1 2 28 11 10.57 3 1.6 1.66 1.91 0.6 1.2 1.6 2.5
M8 1.25 2.5 34 14.5 14.07 4 2 2.06 2.31 0.8 1.6 2.1 3.2
M10 1.5 3 40 18 17.57 5 2.5 2.56 2.81 1 2 2.6 3.8
M12 1.75 3.5 46 22 21.48 6 3 3.06 3.31 1.2 2.4 3 4.4
M14 2 4 52 25 24.48 7 3 3.06 3.31 1.4 2.8 3.5 5
M16 2 4 58 29 28.48 8 4 4.07 4.37 1.6 3.2 4 5
M18 2.5 5 64 33 32.38 9 4 4.07 4.37 1.8 3.6 4.5 6.3
M20 2.5 5 70 36 35.38 10 5 5.07 5.37 2 4 5 6.3