BQLZR Lapidary Gems Diamond Drill Bits Solid Bits 0.8 mm Silver for Repair

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.

Warm reminder: Drill bit generally need to be drill slowly on the stone when  start to drill, wait for the stone to open hole and then drill hard. Like hard stones, or ice types, miscellaneous stone, agate, etc., the punch needles may not be. If it is used on hard stone, it is recommended to add emulsified oil to lubricate the Drill bit.

Material: Metal&Diamond
Color: Silver
Size:44.5x2.3mm/1.75x0.09inch
Shank Diameter: 2.3mm/0.09inch
Head Diameter: 0.8mm/0.03inch
Sand length: 6-8mm
Full length: 40mm/1.57inch
Weight: 26g

Instructions:
It must be cooled with water. If dry drilling is performed, the diamond on the tool head will be graphitized due to overheating, which will quickly wear out. Light pressure feed, diamond 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.

Package Include:
20 x Diamond Coated Hole Drill Bit