Thread Rod
Standard: China GB, ISO, DIN, ANSI, BS, UNI, JIS.etc
Size:M3-->M75
Grade:2,5,8,B7,L7;4.8,5.6,6.8,8.8,10.9,12.9,Copery,Stanless steel,etc
Surface:Blue Zn/White Zn;Blackening;Yellow Zn;HDG;Zinc Cr3;Plain.etc
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