Busch 4203 4 Groove Carbide Twist Drills on 3/32" Shanks .70mm to 2.30mm Drill Size:2.10mm Can be used to fabricate

Can be used to fabricate a custom vacuum casting metal chamber

Part # Metal Type 782-19 Yellow Gold Filled

Eliminates marks left by finest cut files (cut 8)

Available in three sizes to fit different workspace configurations

10 pcs 18K Yellow

Busch 4203 4 Groove Carbide Twist Drills on 3/32" Shanks .70mm to 2.30mm Drill Size:2.10mm Can be used to fabricateThe Busch 4203 series carbide twist drills feature a 4 groove design optimized for cutting softer organic materials such as coral and pearls. Mounted on 3 32" shanks, these drills are available in 13 sizes ranging from 0. 70mm to 2. 30mm, making them a versatile addition to any jeweler's or craftsperson's drill collection. Sold individually, each drill delivers outstanding service life when used correctly. For best results and longest tool life, use