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#8 x 2-1/2' Pan Head Sheet Metal Screws Stainless Steel Slotted Drive Qty 250: Industrial & Scientific. Buy #8 x 2-1/2" Pan Head Sheet Metal Screws Stainless Steel Slotted Drive Qty 250: Sheet Metal Screws - ✓ FREE DELIVERY possible on eligible purchases. #8 x 2-1/2" Pan Head Sheet Metal Screws Stainless Steel Slotted Drive Qty 250 A sheet metal screw is a kind of fastener used for securing metal objects. This kind of fastener features a threaded shank and rounded head. Unlike wood screws which are threaded only partially and made specifically for woodworking, the sheet metal screw's shank is entirely threaded and works in all types of materials. About Self tapping Screws A self-tapping screw is a screw that can tap its own hole as it is driven into the material. Some self-tapping screws are also self-drilling, which means that, in addition to the tap-like flute in the leading threads, there is also a preliminary drill-like fluted tip that looks much like the tip of a center drill. The screws in this auction are not "Self Drilling" and do require a pilot hole for a thick gauge material General Product Information Head Style : Pan Drive Style : Slotted Drive Size : Slotted Thread : #8 Length : 2-1/2" Material : Stainless Steel 18-8 Quant。 。