HSS-Co metal drill bits 1.5-6.5 mm, set of 13 pcs.

HSS-Co metal drill bits, 1.5 - 6.5 mm, set of 13 pcs. 57-088 by NEO TOOLS are deeply ground drills according to DIN 338 and made of M2 steel. They use an apex angle of 135° and type C shear correction. The working part lengths are 1.5:18 mm, 2:24 mm, 2.5:30 mm, 3:33 mm, 3.2:36 mm, 3.5:39 mm, 4:43 mm, 4.5:47 mm, 4.8:52 mm, 5:52 mm, 5.5:57 mm, 6:57 mm, 6.5:63 mm, and total - 1.5:40 mm, 2:46 mm, 2.5:57 mm, 3:61 mm, 3.2:65 mm, 3.5:70 mm, 4:75 mm, 4.5:80 mm, 4.8:86 mm, 5:86 mm, 5.5:93 mm, 6:93 mm, 6.5:101 mm. The maximum speeds are: INOX 1.5:1275-1900 rpm, 2:1825-2000 rpm, 2.5:1450-1600 rpm, 3:1225-1325 rpm, 3.2:1150-1250 rpm, 3.5:1050-1150 rpm, 4:925-1000 rpm, 4.5:825-900 rpm, 4.8:750-825 rpm, 5:725-800 rpm, 5.5: 675-725 rpm, 6:600-650 rpm, 6.5:575-625 rpm, and general metals 1.5:2550-3800 rpm, 2:3650-4000 rpm, 2.5:2900-3200 rpm, 3:2450-2650 rpm, 3.2:2300-2500 rpm, 3.5:2100-2300 rpm, 4:1850-2000 rpm, 4.5:1650-1800 rpm, 4.8:1500-1650 rpm, 5:1450-1600 rpm, 5.5:1350-1450 rpm, 6:1200-1300 rpm, 6.5:1150-1250 rpm. The purpose of this set by NEO TOOLS is versatile metal drilling.

Specifications