4mm Shank Gemstone CNC Carving Machine Used Diamond Carving Bits

4mm Shank Gemstone CNC Carving Machine Used Diamond Carving Bits

These 4mm shank electroplated diamond bits are made used for gemstone carving, like jade, agate, jasper with different hardness.
With diamond coated on tip, diamond grit #80(coarse), aggressive and durable.
Shank 4mm, tip diameter can be 0.2/0.3/0.4/0.5/0.6/0.7/0.8/0.9/1.0/1.2 mm, tip length 15mm, gross length be 50 mm.

0.3x4x15x50 mm Jade Carving Bits

Tip Diameter x Shank Diameter x Tip Length x Gross Length

0.4x4x15x50 mm Jade Carving Bits

Tip Diameter x Shank Diameter x Tip Length x Gross Length

0.5x4x15x50 mm Jade Carving Bits

Tip Diameter x Shank Diameter x Tip Length x Gross Length

0.6x4x15x50 mm Jade Carving Bits

Tip Diameter x Shank Diameter x Tip Length x Gross Length

0.7x4x15x50 mm Jade Carving Bits

Tip Diameter x Shank Diameter x Tip Length x Gross Length

0.8x4x15x50 mm Jade Carving Bits

Tip Diameter x Shank Diameter x Tip Length x Gross Length

0.9x4x15x50 mm Jade Carving Bits

Tip Diameter x Shank Diameter x Tip Length x Gross Length

1.0x4x15x50 mm Jade Carving Bits

Tip Diameter x Shank Diameter x Tip Length x Gross Length

1.2x4x15x50 mm Jade Carving Bits

Tip Diameter x Shank Diameter x Tip Length x Gross Length