bolts and nuts 1.material: stainless steel,carbon steel 2.surface: galvanized,nickel ... ,ISO,JIN,BSSpecification:M3,M4,M5,M6,M7,M8 length: <80 mm min Order:50000 pcsWe also produce according to buyer ... : within 7 days din 933 stainless steel hex bolts and nuts metric thread class 10.9 with dog point