Westward Metal Threading Bit 45T634 The Westward 45T634 is a strong, dependable plug tap that has been skillfully designed for difficult threading jobs. This tool is made of sturdy alloy steel and is designed to easily cut precise internal threads into hard materials. From machine shops to heavy-duty maintenance tasks, its right-hand cut and coarse thread design make it perfect for a variety of general-purpose applications. By ensuring smoother beginnings and improved alignment while tapping, the plug chamfer lowers the possibility of cross-threading. The 45T634 produces precise, clean results that withstand frequent use in industrial settings, whether you're threading blind or through holes. Material / Alloy Steel Thread Size / 1/2-13 UNC