RoyceMart 8 x 12 Stainless Sheet Metal Tek Screw 100 pcs Hex Washer Head Self Drilling Screw with Drill Point? Hex Drive 410 Stainless Steel Self Tapping

Package Included: 100 PCS Hex Washer Head Self Drilling Screws #8 x 1/2" About Hex Washer Head Self Drilling Screws Self Drilling Screws, also know as tek screws to provide secure fastening with strong holding power without the need to pre-drill. Beneath the head is a thin circular steel washer and when these washers are assembled to self-piercing or self-drilling screws, those become sealing screws to protect against leakage and offer bearing qualities superior to that of regular washers. No exterior finish and no coating, the screws are made of the finest 100% 410 stainless steel . Application Automobile, mold, machinery, electronics, assembling, construction, manufacturing industry, indoor and outdoor. Guarantee RoyceMart specialized in providing full ranges of standard fasteners including fully customized packaging solutions to fulfill our customer's expectation. All products undergoes three level of quality testing and quantity checking before reaching our customers.We promise fasteners listed in RoyceMart must be 100% competitive in the world.