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JIUWU 13pcs Tungsten Steel Cemented Carbide Twist Drill Bits, Metal Drill YG Alloy Blade, for Stainless Steel Copper Aluminum Zinc Alloy, 3 4 5 6 7 8 9 10 11 12 13.5 14 15mm - Amazon.com
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Prime-Line #8 x 1 in. Zinc Plated Case Hardened Steel Indented Hex Washer Head Self-Drilling Sheet Metal Screws (50-Pack) 9032164 - The Home Depot
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Amazon.com: XYXXBB Tools M35 Cobalt Drill Bit Set, Drill Set 1.0-10MM, for Drilling on Hardened Steel, Cast Iron & Stainless Steel (Hole Diameter : 7.5mm 5pc) : Tools & Home Improvement
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