CNBTR 81x21mm 1/2 BSP Silver HSS Hand Tap Machine Taper Drill Bit Tool for Pipe Thread

CNBTR 1/2 BSP Silver Hand Tap Machine Taper Drill Bit Tool (7.7x2cm/3.03x0.79inch) for Pipe Thread

UK Drills Blacksmith Metric Drill Bits, HSS Drill Bit Cut through Cast Iron, Brass, Steel, Copper and More - 19x150mm

19mm HSS Blacksmith Drill Bit - Reduced Shank Drill for Aluminium, Steel, Wood, Plastic, Non-Ferrous Etc. (19mm)