Aluminum Profile T Slot Nuts M4, M5, M6, M8 China Machinery Accesseries Co., Limited Base Info Model NO.:M4-M8Material:Carbon SteelType:T HeadConnection:Common BoltHead Style:HexagonalStandard:DIN, ANSIGrade:4.8Trademark:CMASpecification:M4-M8Origin:China Description Pre:Good Anti-Corrosion Ability High Strength Steel Xinruifeng Black Gypsum Screw Next:Good Anti-Corrosion Ability High Strength Steel Truss Screw Bugle Head Black/Grey Phosphated