Swiss Tungsten Vanadium Twist Drill Kit on 3/32" Shanks, 15 Pieces- 0.50 mm to 2.3 mm G-Tac This is a fixed-ratio machine

This is a fixed-ratio machine — engraving height cannot be adjusted independently of the dial

Accepts 4 mm

SR hang-up flex shaft motor Motor Power 1/6 HP Maximum Speed Up to 18

1 length of 16"

The included collet chuck accepts a range of burs and taps

Swiss Tungsten Vanadium Twist Drill Kit on 3/32" Shanks, 15 Pieces- 0.50 mm to 2.3 mm G-Tac This is a fixed-ratio machineThis assortment of Swiss made tungsten vanadium steel twist drills on 3 32" shanks gives jewelers and metalsmiths a comprehensive range of precision drilling sizes in a single kit. With 15 drills spanning 0. 50 mm to 2. 30 mm in diameter, this kit covers the most commonly needed sizes for drilling metal, stone settings, and fine jewelry work. The standard 3 32" shank fits most flex shafts, pendant motors, and drill presses used in professional studio