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GB 898 - 1988 Double End Studs-bm=1.25d


Unit: 毫米(mm)
Weight Calculator
L
Thread Size
d
M5 M6 M8
P Pitch
bm Nominal Size
min
max
ds max
min
x max
0.8 1 1.25
6 8 10
5.4 7.25 9.25
6.6 8.75 10.75
5 6 8
4.7 5.7 7.64
2 2.5 3.125
per 1000 units ≈ kg(7.85kg/cm3)
- - -
Thread Length
b
- - -
①,P = pitch of coarse thread; Xmax =2.5P; ds ≈ pitch diameter of thread(only for type B);
Alternative history GB 898-1976 GB /T 898 - 1988
Suppliers
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  • Ningbo SiTuo Fastener Co., Ltd
  • Contact: Petty Cao
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    Material: carbon steel, stainless steel; Grade: 4.8, 8.8, 10.9, 12.9; Surface treatment: according to customer requirements; Complete specifications, non-standard customization.

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