Specification of corresponding standard blanks (for European market)

DIN371 TYPE

Main size designation and specification

① ② ℓ ℓ ℓ ℓ

L s D K

metric unified n s k

(reference)

M2×0.4458-322.82.15
M2.2×0.45459-322.82.15
M2.3×0.4459-322.82.15
M2.5×0.4550815332.82.15
M2.6×0.4550815332.82.15
№4-40UNC
M3×0.556918343.52.76

4-48UNF

№6-32UNC ● ●

M3.5×0.6 № 56 11 20 32 4 3 6

6-40UNF

№8-32UNC ● ● ●

M4×0.7 № 63 13 21 38 4.5 3.4 6

8-36UNF

№10-24UNC ● ● ●

M4.5×0.75 № 70 14 24 39 6 4.9 8

10-32UNF

M5×0.87014253964.98
M6×18015304564.98
1/4-20UNC
8015304275.58

1/4-28UNF

M8×1.255/16-18UNC9019354786.29
3/8-16UNC1002339549710
M10×1.510023395210811

TYPE:a TYPE:b