กกWelding Cap Nuts
SIMILAR TO DIN 1587      
mm
Thread size M4 M5 M6 M8 M10 M12 (M14) M16 (M18) M20
m 3.2 4 5 6.5 8 10 11 13 15 16
s 7 8 10 13 17 19 22 24 27 30
h 8 10 12 15 18 22 25 26 32 34
 

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