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OSTAR Tools --> Products --> Cutting for metal --> HSS drill bits --> Center drills, Combined Drill and Countersinks
 
Combined Drill and Countersinks (ISO 866, DIN333A, Plain type)
 
Art No.
Size (d)
D (Body Diameter)
L (Allover Length)
40801001
1.0
3.15
31.5
40801002
1.25
3.15
31.5
40801003
1.6
4.0
35.5
40801004
2.0
5.0
40.0
40801005
2.5
6.3
45.0
40801006
3.15
8.0
50.0
40801007
4.0
10.0
56.0
40801008
5.0
12.5
63.0
40801009
6.0
16.0
71.0
40801010
8.0
20.0
80.0
 
ANSI B94.11M, Type A
Art No.
No.
Size (d)
D (Body Diameter)
Allover Length
40802003
1#
3/64"
1/8"
1-1/4"
40802004
2#
5/64"
3/16"
1-7/8"
40802005
3#
7/64"
1/4"
2"
40802006
4#
1/8"
5/16"
2-1/8"
40802007
5#
3/16"
7/16"
2-3/4"
40802008
6#
7/32"
1/2"
3"
40802009
7#
1/4"
5/8"
3-1/4"
40802010
8#
5/16"
3/4"
3-1/2"
 
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