1 Pair Hand Tap Set Size: Metric thread size: M20 x 2.5; thread length: 37mm / 1.46; total length: 160mm / 6.3; square end width: 11mm / 0.43; accuracy class: H2. Right hand thread cutting, clear threads, fast tapping with accuracy. 2 Styles of Taps: Taper Tap: Start the thread and guide it into the workpiece; Bottoming Tap: Generate threads close to the bottom of a hole. The tools are precision machined to produce accurate threads, ensuring a tight and secure fit when used to tap holes. Wide Applications: Hand taps are mainly used with tap wrenches and are suitable for re-tapping damaged or stuck threads, or to create new threads. Used for tapping through or shallow holes in mild steels, aluminum, iron, copper, hard plastic. Straight groove design can quickly remove chips downward, reduce operating resistance, and achieve efficient processing. Durable & Reliable: 6542 (M2) high speed steel tap set offers high hardness and excellent wear resistance for durability and longevity, and good cutting performance for clean, precise holes. Designed with basic structure without any coating, suitable for a wide range of applications. Tips: Tapping oil has lubrication, cooling, and anti-sticking effects. Adding appropriate tapping oil can obtain higher-quality internal threads and more durable taps. Ensure proper alignment, use proper tapping technique, and apply consistent pressure as you turn the tap to achieve clean, precise threads. ASIN B0FLJXWMBT Size M20 x 2.5 x 160mm Usage 1 Item Weight 13.7 ounces Part Number a25060600ux0501 Manufacturer uxcell Power Source ac Item model number 1 Batteries Required No Package Dimensions 7.2 x 2.56 x 1.54 inches Included Components false Item Package Quantity 1