Features 1、Used for stainless steel, iron, cast iron, alloy steel, carbon steel, abrasive steel materials 2、When using this tap, iron and other difficult‑to‑machine metal materials are malleable 3、High quality HSS thread tap can cut very well, and come with fast cutting speed 4、The product is made of high‑speed steel materials, which brings high hardness, high wear resistance and heat resistance 5、1/8‑27 tap provide high working efficiency, which saving both time and effort Specification Item Type: Tap Standard: American System Number of Threads Per Inch: 27 Teeth Pitch: 0.94 Thread Tolerance Grade: H2 Material: High speed steel Thread Specification: 1/8 inch Tap Length: Approx. 5.5cm / 2.2in Useful Length of Tap: Approx. 1.7cm / 0.7in Shank Diameter: Approx. 0.6cm / 0.2in Package List 1 x Tap