Feature: 1. Spiral tap is made of high speed steel materials, easy to carry and store with good performance. 2. Widely used, screw tap can be durable and wear resistance while its high practicality tap can process stainless steel and other difficult‑to‑machine metals 3. Fit for processing stainless steel, steel plate, copper, SK601 and MK80 alloy steel, such hand tool can also process die steel, iron alloy, etc. 4. More suitable for processing into blind holes and viscous material processing, screw tap can pat debris into a spiral shape to discharge chips upward. 5. Cobalt‑containing 5% cutting edge has high strength, and cobalt‑containing high‑speed steel can significantly improve the wear resistance and cutting performance of steel. Specification: Item Type: Screw tap Material: High speed steel Color: Gold and silver Size: Cutter Diameter: Approx. 24mm / 0.9in Blade Length: Approx. 47mm / 1.9in Shank Diameter: Approx. 18mm / 0.7in Total Length: Approx.130mm / 5.1in Tooth Distance: Approx. 3.25mm / 0.1in Application: Suitable for processing stainless steel, steel plate, copper, SK601, MK80 alloy steel, die steel, iron alloy and other metals . Package List: 1 x Screw Tap