High efficiency indexable insert drillDRV

Magic Drill

Economical inserts with 4 cutting edges. Excellent chip evacuation with 6D maximum deep-hole drilling.

1 Excellent drilling precision with less variation in cutting diameter

Up to 6D drilling capabilities with a low cutting force design

Optimal web thickness reduces chattering with a low cutting force design

Comparison of cutting diameter variation

Web thickness comparison (Internal evaluation)(Internal evaluation)Cutting force comparison (Internal evaluation)
3,000
0.2539
DRV2,500%
0.202,446
Competitor B2,000
0.15
331,500
KK%1,474
0.101,000
DRVCompetitor A
0.05500
0

0 50 100 DRV Competitor C

Drilling depth (mm) Cutting conditions: Vc = 150 m/min, f = 0.06 mm/rev Cutting conditions: Vc = 200 m/min, f = 0.12 mm/rev Drill dia. ø20(5D), wet Workpiece material: S50C Drill dia. ø20(3D), wet Workpiece material: S50C 2 Unique insert design to control chip flow

Outer edge Smooth chip evacuation with compact chips

Unique insert pattern to differentiate Chipshape comparison of outer insert cutting edge (Internal evaluation) between outside and inside inserts

16 47

Diameter of chips Weight of chips

U-shaped cutting edge DRV: 10mm Competitor D: 12mm Cutting conditions: Vc = 150 m/min, f = 0.06 mm/rev, Drill dia. ø20(3D), wet workpiece material: S50C

Inner edge Excellent chip evacuation with 6D maximum deep-hole drilling

Weight per unit of length for chips generatedby the inner edge Pitch comparison of chips generated (Internal evaluation) by the inner edge (Internal evaluation) DRV

80mg/mm 16 47

Competitor E Diameter of chips Weight of chips

Spoon-shaped cutting edge 151mg/mm DRV: 1.2mm Competitor E:

0.5mm Cutting conditions: Vc = 250 m/min, f = 0.08 mm/rev, Drill dia. ø20(5D), wet workpiece material: SUS304