Hexagonal socket set crews with knurled cup point
 
range
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Thread (d) 2 2.5 3 4 5 6 8 10 12 14 16 20 24
Pitch standard 0.4 0.45 0.5 0.7 0.8 1 1.25 1.5 1.75 2 2 2.5 3
fine                 1.5 1.5 1.5 2 2
            1 1.25 1.25 1.25 1.25 1.5 1.5
          0.75 0.75 1 1 1 1 1 1
d min. 1.886 2.38 2.874 3.838 4.826 5.794 7.76 9.732 11.701 13.682 15.682 19.623 23.577
max. 1.981 2.48 2.98 3.978 4.976 5.974 7.972 9.968 11.966 13.962 15.962 19.958 23.952
dv min. 0.75 0.95 1.15 1.75 2.25 2.75 4.7 5.7 7.64 8.64 9.64 13.57 15.57
max. 1 1.2 1.4 2 2.5 3 5 6 8 9 10 14 16
e min. 1.003 1.427 1.73 2.3 2.87 3.44 4.58 5.72 6.86 6.86 9.15 11.43 13.72
s nom. 0.9 1.3 1.5 2 2.5 3 4 5 6 6 8 10 12
min. 0.889 1.27 1.52 2.02 2.52 3.02 4.02 5.02 6.02 6.02 8.025 10.025 12.032
max. 0.902 1.295 1.545 2.045 2.56 3.08 4.095 5.095 6.095 6.095 8.115 10.115 12.142
t min. 0.8 1.2 1.2 1.5 2 2 3 4 4.8 5.6 6.4 8 10
max. 1.7 2 2 2.5 3 3.5 5 6 8 9 10 12 15

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