10Pcs Diamond Ball Sphere Head Drill Bits, Grinding Mounted Point Burr Bit Rotary Tools for Carving, Etching, Sanding (3x3mm)

89.99

  • Electroplated emery material, which is strong and durable, can use for a long time.
  • These ball shape drill bits are lightweight, compact and easy to handle.
  • 3mm diameter shank compatible with most electric grinder, engraving machine.
  • Perfect for jewelers, craft hobbyists, modelers, and other professions.
  • It should be cooling with water when use it, keep motionless to install it, and cannot too forcibly to use It.

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tough diamond particle at head
Great for carving, etching, grinding, sanding, etc
Ideal for glass, metal, stone, tile, ceramics and more
Perfect for jewelers, craft hobbyists, modelers, and other professions
Note: It should be cooling with water when use it, keep motionless to install it, and cannot too forcibly to use It.

Specification:
Total length: Approx. 45mm / 1.77 inch
Shank diameter: Approx.3mm / 0.12 inch
Frosted ball diameter: Approx. 2mm/3mm/ 3.5mm/4mm
Grit: 150#
Needle tip shape: Ball shape
Material: Diamond
Color: Silvery tone

Package included:
1 set Diamond Ball Shape Burrs

Additional information

Weight 0.03 kg
Brand

SEIWEI