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27189

HEX SELF DRILL+WASHR #12 5.5 X 25 CLASS4

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A self-drilling screw combines a drill bit-shaped tip with a threaded shank, allowing it to drill its own pilot hole and tap its own thread in one operation. This eliminates the need for pre-drilling and speeds up installation, especially in metal-to-metal and metal-to-timber fastening. Available in various head styles such as hex, pan, wafer, and countersunk.