CENTERING DRILLS
NC Spotting
Art. 50809
20º
Z 2
Carbide
90º
Chamfer 90º
Countersink 90º
Ti
Brass
Mg
Plastic
ST
SST
C.I.
Al
Cu
l 2
l 3
l 1
Catalog Number
d 1
d 1 (in.)
l 2
l 3
l 1
d 2
40.50809.0005 40.50809.0006 40.50809.0007 40.50809.0008 40.50809.0009 40.50809.0010 40.50809.0011 40.50809.0012 40.50809.0013 40.50809.0014 40.50809.0015 40.50809.0016 40.50809.0017 40.50809.0018 40.50809.0019 40.50809.0020 40.50809.0025 40.50809.0030
.50 .60 .70 .80 .90
.0197 .0236 .0276 .0315 .0354 .0394 .0433 .0472 .0512 .0551 .0591 .0630 .0670 .0709 .0748 .0787 .0984 .1181
1.00 1.20 1.40 1.60 1.80 2.00 2.20 2.40 2.60 2.80 3.00 3.20 3.40 3.60 3.80 5.00 6.50 7.50
1.60 1.80 2.00 2.20 2.40 2.60 2.80 3.00 3.20 3.40 3.80 4.20 4.40 4.60 4.80 6.00 8.00 7.50
38 38 38 38 38 38 38 38 38 38 38 38 38 38 38 38 38 38
2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 3.00 3.00 3.00
1.00 1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80 1.90 2.00 2.50 3.00
• All dimensions are millimeters unless otherwise noted • For cutting data see pg. 140
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