GJB 381.3-1987 Pins and Collars,100°head, Shear


Unit: mm
军标GJB 381.3-1987 GJB381.3 381.3GJB Pins and Collars,100°head, Shear
Nominal Length L Tips:seclect Nominal Length L and get Weight .
Screw Thread
d
4 5 6
d max
min
k Ref.
T Nominal Size
max
min
dk min
per 1000 units≈kg Tail Theoretical Weight
4.015 5.015 6.015
3.985 4.985 5.985
0.95 1.18 1.43
4.5 5 6
4.6 5.1 6.1
4.4 4.9 5.9
5.45 6.8 8.2
2.17 3.68 5.4
Weight of per 1000 steel products(≈kg) Head, Polished Rod and Ring Groove
- - -
①,Material:ML30CrMnSiA;Heat Treatment:σb=1175±100;Surface Treatment:Cadmium Passivation, Coating Thickness: 5 ~ 8μm;;
②,L Takes Integer According To The Design Requirement, δ(Interlayer Thickness)≤ L<δ+1
Form A: L1=L+T+30
Form B: L2=L+T
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1
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Material: aluminium, iron, stainless steel; Specification: complete; Surface treatment: according to customers' requirements
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