Truss Head Self-drilling Screw

Product name: Truss Head Self-drilling Screw

Head Style:       Truss

Grade :              4.8/ 8.8/ 10.9/ 12.9 Ect, Stainless steel,

Surface :           Black, Plain, ZINC PLATED

Measurement system:Metric,INCH

DIA :                  M4.2, M4.8

LENG TH :         3mm-60mm