8.8 سداسي برغي عادي بأكسيد أسود - Haiyanbolt
1 天前 HAIYAN BOLT produce both carbon steel and stainless Hex bolt. Product Description: Standard: DIN933, DIN931,ANSI/ASME B 18.2.1 GRADE: 4.8 to 12.9,Gr 2 to Gr 10, A2-304,A4-316 Material: carbon steel, alloy steel,stainless steel. Size:from 1/4” to 2”, from 6mm to 50mm. Surface finish:zinc plated, plain, black oxide, HDG,mech galv,