High Speed Steel Twist Drill Kit 20 Pcs 0.33mm To 0.99mm (#8 Busch Burs Ruby Stones are the ideal

Ruby Stones are the ideal choice for deburring

professional-grade surface for practicing cuts

creating a smooth

press the lever with your thumb

and stonesetting professionals

High Speed Steel Twist Drill Kit 20 Pcs 0.33mm To 0.99mm (#8 Busch Burs Ruby Stones are the idealThe Grobet USA High Speed Steel Twist Drill Kit delivers a comprehensive assortment of 20 HSS twist drills in a single organized plastic case. Covering sizes 61 through 80, this kit spans a diameter range of 0. 33mm to 0. 99mm ideal for fine drilling operations in jewelry fabrication, metalsmithing, and watchmaking. Having one of each size on hand means you can work quickly through precise tasks without hunting for individual bits. Features 20 piece