Connect the pair with large hexagon bolts of steel structure

Connect the pair with large hexagon bolts of steel structure
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StandardSizeGradeSurafce Treatment
A325/A563/F4361/2"-11/2”A325Black / HDG / Dacrome / Mechanical
A490/A563/F4361/2"-11/2”A490Black / Dacrome
A325M/A563M/F436MM12-M36A325MBlack / HDG / Dacrome / Mechanical
A490M/A563M/F436MM12-M36A490MBlack / Dacrome
GB/T1228-1231-2006M12-M308.8S/1.9S10.9 Black Nechanical / Dacrome / 8.8S Black HDG / Mechanical / Dacrome
JIS B1186M12-M30F10T/F8TBlack / HDG / Dacrome / Mechanical
BS 4395 Part1M12-368.8Black / HDG / Dacrome / Mechanical
BS 4395 Part2M16-M3310.9Black / HDG / Dacrome / Mechanical
GB/T32076.3M12-M3610.9HR/8.8HRBlack / HDG / Dacrome / Mechanical
GB/T32076.4M12-M3610.9HVBlack / HDG / Dacrome / Mechanical
GOST R 52643-52645M16-M486.8/8.8/9.8/10.9/12.9Black / HDG / Dacrome / Mechanical
DIN6914/6915/6916M12-M6410.9Black / HDG / Dacrome / Mechanical
EN14399-3-5-6M12-M3610.9HR-8.8HRBlack / HDG / Dacrome / Mechanical
EN14399-4-6M12-M3610.9HVBlack / HDG / Dacrome / Mechanical


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