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Wafer Head Self Drill w/Wings 10-24 x 1-7/16 " Ext. Coated 250 Pieces. Use for fastening up to 3/4" wood to steel up to .176 steel or 7 gauge. Used many times for fastening plywood to steel tubing. The wings ream out the wood so you wood doen't lift as you go and then break off when you hit the steel allowing the screw to tap it's own threads. WAR® coating tested to 1,000 hour salt spray test, suited for use with treated lumber. #1 Phillips drive. Best results with high speed, impact drivers work well. FREE USPS SHIPPING! Other shipping options available at check out. Video done with 18v impact driver shows 3/4" pine, steel is 3/32". Click here for tech data.
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