Difference between high strength bolts and high strength bolts for steel structures
Datetime:2016.11.21 From:HanDan HaoQiang Fastener Manufacturing Co.,Ltd
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Common high strength bolts are commonly used as follows: GB5782, GB5783. steel structure with large six angle high-strength bolts commonly used standard: GB1228. Appearance looks the same, but the two types of high-strength bolts in product size, specifications, materials and other differences, as follows: Standard specification range grade material GB5782 GB5783 M6~M64 8.8 level 35#, 45#, 40Cr 10.9 levels of 40Cr, 35CrMo, 42CrMo 12.9 level 35CrMo, 42CrMo GB1228 M12~M36 8.8 level 45#, 40Cr 10.9 level 20MnTiB, 35VB Thread specification D standard M12 M16 M20 M22 M24 M27 M30 K GB5782/GB5783 7.510 12.5141517 18.7 GB1228 7.510 12.5141517 18.7 S GB5782/GB5783 18243034364146 GB1228 21273436414650
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