350Pcs #12X3/4" Hex Washer Head Self Drilling Screws 410 Stainless Steel

Product Details: Material: 410 Stainless Steel Thread Size: #12x3/4"(ST5.5x19) Hex Head Size: 8mm x 5.4mm/ 0.31" x 0.21"(Hex Width*T) Flange Dia.: 10.5mm/ 0.41" Hex Bit Socket: 8mm x 65mm/ 0.31" x 2.56"(Dia.*L) Package Content: 1Set - 350pcs x Hex Washer Head Self Tapping Screws, 1pcs x Hex Bit Socket Material - Constructed with 410 stainless steel material with a white plain finish, the hex washer head self-tapping screw is of strong durability, has no deformation, is not easy to rust or corrode, and has a long service life than ordinary screws.Feature - The metal sheet screws are designed with an external hex drive style with rubber waterproof washer, preventing slippage and ensuring a strong hold. The self-drilling design allows faster screwing into hardwood, easy to drill into, such as wood, sheet metal steel, aluminum, plastic, or other materials, reducing cracking problems. Application - Hex washer head self-tapping screws are widely used for furniture, household goods, electronics, communications, power products, floor fastening, industrial, construction, machinery, equipment maintenance, and other DIY projects.Installation - With a hex bit socket, easy to install. Can be used without a drilling hole, good for metal-to-metal or metal-to-wood connections. For harder materials, it is recommended to pre-drill with a drill to make it easier to insert the screws.