General description The 32Pcs Alloy Steel Taps and Dies set is a comprehensive threading kit designed for both internal and external threading applications. It includes 21 taps in various sizes, made from hardened tungsten steel alloy, ensuring high strength and durability. This set is ideal for most hand threading tasks and is known for its easy starting ability. Technical specifications Material: Hardened tungsten steel alloy Hardness: 55 HRC Rockwell Includes 21 taps: M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 1.0, M8 x 1.25, M10 x 1.5, M12 x 1.75 (3 pieces of each size) Compatibility and accessories Metric tap set for processing internal threads Metric die set for external threads Comes with a stainless steel storage case with size-marked slots Usage This tap and die set is suitable for a variety of hand threading applications, providing long-lasting performance and reliability.