Combined Drill and Chamfer Tool D419FT
140° Step Drills Design for pre-drilling diameter of Metric Thread, and drilling with chamfering 90° at once. Good wear resistance and lubricating effect with Nano multilayer coating.
L1
L2
L
140˚
VHM Carbide
AlTiCrN FT
Steel < 48HRC
D2
D1
P H M K
Application for drilling steels below 48HRC, cast iron...and etc.
DIN 6527 Standard Length For thread size D1 mm L1 mm
L2 mm
L mm
d h6
D419FT AlTiCrN
M 3 M 4 M 5 M 6 M 8 M10 M12
2.5 3.3 4.2
8.8
28 28 28 41 47 55 60
66 66 66 79 89
6 6 6 8
11.4 13.6 16.5
5
6.8 8.5
21
10 12 14
25.5
102 107
10.2
30
Please refer to page 302 for parameters.
299
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