Efficient 2in1 tapping and chamfering This speed steel tapping chamfer tool completes both tapping and chamfering in a single pass for lathe work, saving time and effort while delivering consistent results on various metal surfaces. material construction Built with an M35 (HSSCo 5%) black head chamferer and a 45# steel tail retainer, paired with an HSS6542 spiral tip tap for durable, reliable metalworking performance. Depth adjustment Features gradual depth adjustment to achieve the exact working depth, reducing the risk of tool extrusion and breakage during chamfering operations. Multiple size compatibility Available in sizes from M2.5 to M6, making this screw tap chamfering tool suitable for a wide range of workshop projects and metalworking requirements. Applications and use scenarios Lathebased hole preparation: Tap and chamfer holes in steel, aluminum, and other metals in one pass, improving efficiency in production or work. Mechanical assembly: Create clean entry chamfers and threaded holes for fasteners in brackets, housings, and other components, simplifying assembly. Prototyping and fixtures: Use for quick, reliable hole preparation in prototype parts and jigs that require both tapping and chamfering in one operation.