... all kinds of woodworking tools, such as reversible knives, wood planers, wood drills, etc. 2.Grade K05-K30 Zhuzhou ZZ Hardmetal ... for 70mm drill: 33mm. 2. For drilling in solid wood, MDF, wood-based Panel. 3. We also provide special size drill ... stable and continuous production ability.1.Woodworking tungsten carbide insert,blanks for profile2.Woodworking dowel drill,hinge drill3.TCT planer knife ...