BS916 、ANSI 、FULL THREAD/HALF THREAD 、grade4.8 、grade8.8
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BS916 、ANSI 、FULL THREAD/HALF THREAD 、grade4.8 、grade8.8
hexagonal bolt size:M1/4-1" length:1/4"-12" grade:4.8/8.8/10.9/12.9 and ansi2 ansi 5 material:carbon steel/35K/40Cr etc surface:plain,zinc,black,HDG,ect.
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