4-24X3/8 Phillips Pan Self Drilling Screw Full Thread Black Zinc (Pack Qty 10,000) BC-0406KPPBZ

Phillips Pan Self Drilling Screw Full Thread Black Zinc

Type BSD: The 18-8 stainless drill screw offers superior corrosion resistance while the 410 stainless screw will drill through harder material than the 18-8. The hardness of the material to be drilled should be a minimum of 10-20 Rockwell hardness points less than the screw’s hardness