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B-01
GB1228-1231, ISO 7412, DIN 6914-6916, ASTM A325, ASTM A490, ASTM A325M, ASTM A490M
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- Heavy Hex Bolts 钢结构重型螺栓
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B-02
GB5782/5783, DIN931/933, DIN960/961, ASMEB18.2.1
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- Hex Bolts 六角螺栓
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B-03
GB/T70.1, ISO4762, DIN912, ASME B18.3, ASTM A574
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- Hex Socket Bolts 内六角螺栓
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B-04
GB5787, DIN6921, DIN6922, ISO 4162-1990, ASME B18.2.3.4M, IFI 111, IFI 513, IFI 536, EN 1665, JIS B 1189
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- Hex Flange Bolt 六角法兰螺栓
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B-05
ASTM A193 B7; Grade: 8.8/ 10.9/ A2/ A4/ B7/ B16/ B7M / L7 / L7M / B8 / B8M / B16
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- Stud Bolts 螺柱
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B-06
DIN603, GB/T 12//14/794; 4.8, 8.8, 10.9, A2, A4
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- Carriage Bolts 马车螺栓
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B-07
as drawing; 4.8, 8.8,10.9, 12.9, A2, A4
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- U Bolts U型螺栓
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B-08
AWS D1.1, JIS B1198, ISO13918;
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- Shear Studs 钢结构焊钉