carriage bolts 1) Length: 2-100mm 2)Diameter: 2-8mm 3)standard: ISO DIN JIS ANSI G carriage boltsWe are specialized in manufacturing different kinds of fasteners, I believe our company can give you lower and high quantity.MaterialStainless steel 304 316 201 667sizeM2 M3 M4 M5 M6 M8MOQ100,000PCSStandard DIN603Head styleMushroom headDriversslotted/Phillip recess/square socket/indented hex/plane hex ...