Product Details:Material: 410 Stainless Steel; EPDMThread Size: #8x1/2"(ST4.2x13)Hex Head Size: 7mm x 4.1mm/ 0.28" x 0.16"(Hex Width*T)Flange Dia.: 8.45mm/ 0.33"EPDM Washer: M4.2x12mmPackage Content: 1set - 50pcs x Hex Washer Head Self Tapping Screws 20pcs x EPDM WasherMaterial - 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 EPDM washers 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.
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