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标准 规格 性能等级 GB5780-GB5783 M6-M100 6.8-10.9-12.9 GB/T1228/1231 M6-M100 10.9S GB/T3632 M6-M100 10.9S HG20634/20613 M6-M100 6.8-10.9 SH3404-96 M6-M100 6.8-10.9 ANSI/ASME B18.2.1 1/4"-4" SAE Gr.5/8 ASTM A325/A490 1/4"-4" 8.8-10.9 DIN 931/933 M6-M100 6.8-10.9 DIN6914 M6-M100 10.9S ISO4014/4017 M6-M100 6.8-10.9-12.9 JIS1180 M6-M100 6.8-10.9
标准 规格 性能等级GB5780-GB5783M6-M1006.8-10.9-12.9GB/T1228/1231M6-M10010.9SGB/T3632M6-M10010.9SHG20634/20613M6-M1006.8-10.9SH3404-96M6-M1006.8-10.9ANSI/ASMEB18.2.11/4"-4"SAEGr.5/8
标准 规格 性能等级GB5780-GB5783M6-M1006.8-10.9-12.9GB/T1228/1231M6-M10010.9SGB/T3632M6-M10010.9SHG20634/20613M6-M1006.8-10.9SH3404-96M6-M1006.8-10.9ANSI/ASMEB18.2.11/4"-4"SAEGr.5/8
标准 规格 性能等级GB5780-GB5783M6-M1006.8-10.9-12.9GB/T1228/1231M6-M10010.9SGB/T3632M6-M10010.9SHG20634/20613M6-M1006.8-10.9SH3404-96M6-M1006.8-10.9ANSI/ASMEB18.2.11/4"-4"SAEGr.5/8