40pcs Durable Alloy Tap Die Set

A robust 40-piece tap and die set manufactured from heat-treated alloy steel, delivering balanced hardness and toughness for sustained performance in manual threading. Includes 17 tapered plug taps and 17 dies spanning M3×0.5 to M12×1.75 plus 1/8″–27 NPT — all with clear, permanent size identification. Complemented by an adjustable tap wrench (M3–M12), a compact T-handle tap wrench (M3–M6), a 25 mm die wrench, a thread gauge and a screwdriver. Suitable for creating clean internal and external threads in mild carbon steel, alloy steel, cast iron, aluminium, brass and bronze. Widely applied in automotive workshops, agricultural machinery servicing and small-scale fabrication where tool resilience and dimensional fidelity directly impact functional integrity.