Application: CNC machining center, RPM 4500-8000r/min, Feed Speed: 2-8m/min, Max. hole depth : according parts 20mm and 33mm For drilling in solid wood, MDF, wood-based Panel Hardened after heat treatment, reduce the shank deformation Our high-grade drill use Telfon(PTFE) coating, precise M5*10 adjust screw We also provide special size drill upon customer?s request Series: 1. Brad Point Boring Bits Advantages for Rard-point drill Angle design determined by lab-testing, smartly drill in and out under relevant drilling parameters without ausplatzung or burned while has fine hole Drilltip score-edge designed with negative relief angle for strength and better impact resistance Two vice-spiral groove added for better chip removal and make products difficult to be burned Excircle of steel body?s working portion increases made better overall strength 2. Through-Hole(V-Point) Boring Bits 3. Hinge Boring Bits 4. Countersink Cutters
