Combined Drills and Countersink 60° D908
60° Combined drill and countersink centre drill.
Lc
L L
Steel Cast lron AL. Copper
120˚
VHM Carbide
Uncoated Bright
DIN 333
P H K N
Improved strength design for cutting different steels below 48HRC, cast iron, aluminium and copper. Application for centre hole preparations for lathe and Cylindrical grinding.
DIN 333 Standard Length Dc h7 Lc mm
L mm
d h5
D908 60°
0.5 0.8
0.8 1.1 1.3 1.6
38 38 38 38 38 50 50 63 66 73
3 3 3 3 4 5 6 8
1
1.25
1.6
2
2
2.5 3.1 3.9
2.5
3.15
4 5
5
10 12
6.3
283
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