8-18X3/8 Square Recess Pan Head Self Drilling Screw Full Thread 410 Stainless Steel (Pack Qty 2,500) BC-0806KQP410

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 Minimum torques are the same for stainless and steel self-drill screws. Drill time is 2.5 seconds for a 1mm thick plate 410 or 18-8 stainless steelYou may also like 5/16-18X3/4 Coarse Thread Socket Set Screw Cone Point imported Black Oxide (Pack Qty 4,000) BC-3112SSNI.