Spiral drills (Diam.)
Twist drill Fig. 439 - diamond coated
Material: diamond grit, galvanic bonded
Execution: 2 grooves
Range of app.: glass, jewellery stones
Shank: 2,35 mm dia.
Rec. speed: 5.000 - 8.000 r.p.m. (with cooling liquid)
Advantage: durable
Material: diamond grit, galvanic bonded
Execution: 2 grooves
Range of app.: glass, jewellery stones
Shank: 2,35 mm dia.
Rec. speed: 5.000 - 8.000 r.p.m. (with cooling liquid)
Advantage: durable