8-18X1/2 Square Recess Flat Head Self Drilling Screw Full Thread 410 Stainless Steel (Pack Qty 5,000) BC-0808KQF410

Square Recess Flat Head Self Drilling Screw Full Thread 410 Stainless Steel

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

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