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standardspecificationsperformancelevelGB5780-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
standardspecificationsperformancelevelGB5780-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
standard specificationsPerformancelevelGB41/6170/6175 M6-M1606﹣10GB/T1229 M6-M16010HHG20634/20613 M6-M1608﹣10SH3404-96 M6-M1606﹣10ANSI/ASMEB18.2.2 1/4"-4"SAEGr.5/8ASYMA325/A490 1/4"-4"8﹣10DIN934/2510
standard specificationsPerformancelevelGB41/6170/6175 M6-M1606﹣10GB/T1229 M6-M16010HHG20634/20613 M6-M1608﹣10SH3404-96 M6-M1606﹣10ANSI/ASMEB18.2.2 1/4"-4"SAEGr.5/8ASYMA325/A490 1/4"-4"8﹣10DIN934/2510