Street Address: Sanhetan Industry Zone, Taozhou, Zhejiang
City: Taizhou
Province: Zhejiang
Country/Region: China
There is semicircle head bolt and it is use to auto part. Material: 40Cr,42CrMo. Specification:M18*2*125 Technics:hot/cold forging-lathes-hot treatment-grinding-rolling-plating. Grade:10.9~12.9(HRC 32-39~HRC 38-44). Tensile strength:106.1 kg/mm2~124.5 kg/mm2. Finish:plating-Zinc Weight:1-0.6 KG/PCS.