BQLZR 2mm Gems Engraving Drill Bits Coated Jade Engrave Silver

Note: The color of the item may vary slightly due to photography and your own computer

Features:
1.Excellent for making an accurate hole on various bowlder, agates, pearls, jade, etc.
2.Note: Add water for cooling and drill slowly.
3.Product function: Use for jade agate, emerald pearl shell, drill bit, crystal lettering, carving grinding head.

Note: Generally, the punching tools needs to be slowly imported when starting to punch, and then punched hard. Harder stones like ice, rocks, or agate. The punch pin may not be. In this case, we recommend adding emulsified oil to the water to achieve a more lubricating effect.

Specification:
Material: Metal
Color: Silver
Size: 2.3x40mm/0.09x1.57inch(Dia x L)
Shank Diameter: 2.35mm/0.09inch
Head Diameter: 2.0mm/0.08inch
Sand length: 6-8mm
Full length: Approx. 40mm/1.57inch
Weight: 26g(20pcs)

Instructions:
It must be cooled with water. If dry drilling is performed, the on the tool head will be graphitized due to overheating, which will quickly wear out and scrap. Light pressure feed, tools rely on grinding to process the workpiece, excessive force, grinding powder is not easy to remove , Tools (especially small tools) are also easily damaged.