Bearing Hart Cutting Burr Bur 0.9 Mm For Stone Setting Gems Jewellers Jewellery

Description

Bearing Hart Cutting Burr Bur 0.9 mm for stone setting gems jewellers jewellery
Bearing (Hart) cutter burr
Shank size: 2.35mm
Also called bur. Used to cut seats for setting stones
Used in cutting gold, silver, copper

Made from steel. Used in conjunction with a pendant drill, hobby drill or micromotor to cut or grind away, shape or give pattern to a surface (usually metal). Each burr construction is of a number of teeth/blades (in a given shape) mounted onto a shank (usually 3/32). The shank fits into the collet/chuck of the drill, and when turned removes the surface being worked upon