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Cross Recessed Hexagon Head Tapping Screw With Indentation And Large Plain Washer Assemblies

GB 9074.21 - 1988

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国标GB 9074.21 - 1988 GB9074.21 9074.21GB Cross Recessed Hexagon Head Tapping Screw  With Indentation And Large Plain Washer Assemblies
Calculate weight and price. Weight 1000 pcs : kg x $ per kg = $ 1000 pcs
Default density g/cm3
Nominal Length L Tips:seclect Nominal Length L and get Weight .
Thread Size
ST2.9 ST3.5 ST4.2 ST4.8 ST6.3 ST8
a max
h Nominal Size
dc Nominal Size
1.1 1.3 1.4 1.6 1.8 2.1
1 1 1 1.6 1.6 2
9 11 12 15 18 21
Weight of per 1000 steel products(≈kg)
- - - - - -
①,Other dimension reference
Tapping Screw:GB 9456,GB 944.1; washer :GB 9074.30