METALLIXITY Drill Bit (0.8mm) 4241 High-Speed Steel for Wood 12Pcs | Straight Shank Nitriding Black 118° for Wood Plastic Iron Copper Aluminum Low Soft Metal

EZARC Countersink Drill Bit Set, 12PCS Counter Sink Drill Bits for Wood | 2-Flute, Titanium-Coated HSS, #4, #6, #8, #10, #12, Magnetic Extension Adjustable bit Holder, 1/4" Hex Shank, Storage Case View on Amazon