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Amazon.com: BOSCH CO2148 1-Piece 21/64 In. x 4-5/8 In. Cobalt Metal Drill Bit for Drilling Applications in Light-Gauge Metal, High-Carbon Steel, Aluminum and Ally Steel, Cast Iron, Stainless Steel, Titanium : Industrial
Cobalt Metal Drill Bit | For Metal, HSS | Precision Ground – Ruwag