Popular T Nut for Aluminum Profiles 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 Truss Screw Bugle Head Black/Grey Phosphated Next:DIN 603 Stainless Steel 316 L 304 316 Round Head Square Neck Carriage Bolts