TAPPING SCREW 1)Material:Steel,SS 2)Finish:Z/P,black,plain ... )Dia:2.9-6.3mm 4)Length:6.5-150mm TAPPING SCREW1) Material: Carbon Steel, Stainless Steel, etc2) Finish: Cr3+ or ... ) Any specific fasteners can be provided according to customers' requirements TAPPING SCREW