紧固件(螺丝/螺帽/垫圈/铆钉等)标准参数手册

SCREW HEAD螺絲頭型

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Square Head四方頭Designation of thread (d)M3 M4 M5 M6

JIS B1182 unit: mm

ds Basic dimension3 4 5 6 8 10 12 14 16 18 20

k Tol.0 -0.1 0 -0.1 0 -0.1 0 -0.1 0 -0.15 0 -0.15 0 -0.2 0 -0.2 0 -0.2 0 -0.2 0 -0.2

s Tol. Basic dimension5.5 7 8 10 13 17 19 22 24 27 30

Basic dimension2 2.8 3.5 4 5.5 7 8 9 10 12 13

Tol.0 -0.2 0 -0.2 0 -0.2 0 -0.2 0 -0.25 0 -0.25 0 -0.35 0 -0.35 0 -0.35 0 -0.35 0 -0.35

e

d’k

0.1 0.1 0.15 0.15 0.15 0.2 0.2 0.2 0.2 0.2 0.2

7.8 9.9 11.3 14.1

5.3 6.8 7.8 9.8

Shing Hing Industrial Limited - FASTENERS HANDBOOK

M8 M 10 M 12 (M 14) M 16 (M 18) M 20

18.4 12.5 24 26.9 31.1 33.9 38.2 42.4 16.5 18 21 23 26 29

20

紧固件(螺丝/螺帽/垫圈/铆钉等)标准参数手册

21Shing Hing Industrial Limited - FASTENERS HANDBOOK