CENTERING DRILLS
NC Spotting
Art. 50806
20º
Z 2
Carbide
60º
Chamfer 90º
Countersink 60º
Ti
ST
SST
C.I.
Al
Cu
Brass
Mg
Plastic
l 2
l 3
l 1
Catalog Number
d 1
d 1 (in.)
l 2
l 3
l 1
d 2
40.50806.0050 40.50806.0060 40.50806.0070 40.50806.0080 40.50806.0090 40.50806.0100 40.50806.0110 40.50806.0120 40.50806.0130 40.50806.0140 40.50806.0150 40.50806.0160 40.50806.0170 40.50806.0180 40.50806.0190 40.50806.0200 40.50806.0210 40.50806.0220 40.50806.0230 40.50806.0240 40.50806.0250 40.50806.0260 40.50806.0270 40.50806.0280 40.50806.0290 40.50806.0300 40.50806.0400 40.50806.0500 40.50806.0600
.50 .60 .70 .80 .90
.0197 .0236 .0276 .0315 .0354 .0394 .0433 .0472 .0512 .0551 .0591 .0630 .0670 .0709 .0748 .0787 .0827 .0866 .0906 .0945 .0984 .1024 .1063 .1102 .1142 .1181 .1575 .1969 .2362
1.50 1.50 1.50 2.00 2.00 2.00 2.50 2.50 2.50 3.00 3.00 3.00 4.00 4.00 4.00 5.00 5.00 5.00 6.00 6.00 6.00 7.00 7.00 7.00 7.00 9.50
2.00 2.00 2.00 2.50 2.50 2.50 3.50 3.50 3.50 4.00 4.00 4.00 5.00 5.00 5.00 6.00 6.00 6.00 7.00 7.00 7.00 8.00 8.00 8.00 8.00 9.50
38 38 38 38 38 38 38 38 38 38 38 38 38 38 38 38 38 38 38 38 38 38 38 38 38 38 40 50 50
3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 4.00 5.00 6.00
1.00 1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80 1.90 2.00 2.10 2.20 2.30 2.40 2.50 2.60 2.70 2.80 2.90 3.00 4.00 5.00 6.00
10.50 16.00 16.00
10.50 16.00 16.00
• All dimensions are millimeters unless otherwise noted • For cutting data see pg. 140
14
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