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Hexagon Head Bolts for Steel Structures

CNS 3124 - 1987

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台湾CNS 3124 - 1987 CNS3124 3124CNS Hexagon Head Bolts for Steel Structures
Screw Thread
d
M12 M16 M20 M22 M24 M27 M30
P
b
k
s
e
1.75 2 2.5 2.5 3 3 3.5
19.5 23 26 28 29.5 32.5 35
8 10 13 14 15 17 19
19 24 30 32 36 41 46
20.88 26.17 32.95 35.03 39.55 45.2 50.85

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