CENTERING DRILLS
Spotting & Chamfering
Art. 50818
90º
20º
Z 2
Carbide
142º
Double Countersink
Cu
Brass
Mg
Plastic
ST
SST
C.I.
Al
l 2
l 1
Catalog Number
d 1
d 1 (in.)
l 2
l 1
d 2
40.50818.0160 40.50818.0200 40.50818.0250 40.50818.0300 40.50818.0330 40.50818.0400 40.50818.0420 40.50818.0500 40.50818.0600 40.50818.0680 40.50818.0700 40.50818.0800 40.50818.0850 40.50818.0900 40.50818.1000 40.50818.1020 40.50818.1100 40.50818.1200
1.60 2.00 2.50 3.00 3.30 4.00 4.20 5.00 6.00 6.80 7.00 8.00 8.50 9.00
.0630 .0787 .0984 .1181 .1299 .1575 .1654 .1969 .2362 .2677 .2756 .3150 .3346 .3543 .3937 .4016 .4331 .4724
9.50 9.50
32 32 40 40 50 50 50 60 60 70 70 70 70 70 70 75 75 75
3.00 3.00 4.00 4.00 5.00 5.00 6.00 8.00 8.00
10.50 10.50 16.00 16.00 16.00 20.00 20.00 22.00 22.00 22.00 22.00 22.00 22.00 25.00 25.00 25.00
10.00 10.00 10.00 12.00 12.00 12.00 14.00 14.00 16.00
10.00 10.20 11.00 12.00
• All dimensions are millimeters unless otherwise noted • For cutting data see pg. 141
23
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