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
4.50806.0050 4.50806.0060 4.50806.0070 4.50806.0080 4.50806.0090 4.50806.0100 4.50806.0110 4.50806.0120 4.50806.0130 4.50806.0140 4.50806.0150 4.50806.0160 4.50806.0170 4.50806.0180 4.50806.0190 4.50806.0200 4.50806.0210 4.50806.0220 4.50806.0230 4.50806.0240 4.50806.0250 4.50806.0260 4.50806.0270 4.50806.0280 4.50806.0290 4.50806.0300 4.50806.0400 4.50806.0500 4.50806.0600
.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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