CNBTR 3mm Shank Dia Silver Ball Point Diamond Coated Rotary Burrs Jewelry Tool Glass Drills Pack of 30 (2.5mm Head Dia.)

Description

Feature: Fit for most professional electric drills, best for replace nail drill bits. Bits come in standard size to satisfy any technology. Diamond coated bur set with 3mm shanks. Applies to: Used for various applications including carving, grinding and etching on a variety materials. Scope: stone carving, jade processing, metal grinding, mold polishing, etc. Specification: Material: Diamond + Metal Color: Silver Head Type: Ball Shank Diameter: 3 mm Grit Size: 150 # Length: 45mm Size 1: (3mm) Head Diameter: 3 mm Size: 45 x 3 x 3 mm / 1.77 x 0.16 x 0.16" (L x Dia) Weight: 114 g Size 2: (2.5mm) Head Diameter: 2.5 mm Size: 45 x 3 x 3 mm / 1.77 x 0.16 x 0.16" (L x Dia) Weight: 113 g Size 3: (1.5mm) Head Diameter: 1.5 mm Size: 45 x 3 x 3 mm / 1.77 x 0.16 x 0.16" (L x Dia) Weight: 125 g Size 4: (1mm) Head Diameter: 1 mm Size: 45 x 3 x 3 mm / 1.77 x 0.16 x 0.16" (L x Dia) Weight: 123 g Package Include: 30 x Diamond Coated Burrs Glass Drill Bit