Composite screw
Bi-Metal Phillips Pan Head Self Drilling Composite ScrewComposite Sheet Metal
Composite Sheet Metal Phillips Washer Head Self Drilling ScrewBi-Metal Screw
Hex Flange Head Bi-Metal Self Drilling ScrewBi-Metal Drilling
Phillips Pan Head Self Drilling Bi-Metal ScrewBi-Metal Truss Head
Bi-Metal Phillips Truss head Self Drilling ScrewBi-Metal Hex Head
Bi-Metal Hex Washer Head Self Driling Screw