Feature: 1. High hardness, anti‑rust, strong and durable, suitable for drilling, tapping and cutting of soft metals, aluminum plates, iron, etc. Specification: Specifications: Material: High-speed Steel (HSS) Suitable for soft metal, aluminum, iron Size: M6 x 1: Total length: 58mm, Spiral length: 28mm, drill diameter: 5.0mm Handle: 6.35mm (Notice: Manual measurement may be a little error please understand!) Package include: 1 x Hexagonal Handle Compound Tap Drill Bits |