Stub Drill Bits The short series of Cobalt stub drills are a preferred drill for harder materials especially stainless steel. The primary reason for this being they hold there rigidity and hardness at a higher temperature than HSS drill bits
Specifications:
|
Diameter
|
Effective length
|
Full length
|
Order No.
|
|
1.0
|
6
|
26
|
TWDB-40010
|
|
1.5
|
9
|
32
|
|
|
2.0
|
12
|
38
|
|
|
2.5
|
14
|
43
|
|
|
3.0
|
16
|
46
|
|
|
3.2
|
16
|
49
|
|
|
3.5
|
18
|
49
|
|
|
4.0
|
20
|
52
|
|
|
4.2
|
22
|
55
|
|
|
4.5
|
24
|
58
|
|
|
4.8
|
26
|
62
|
|
|
5.0
|
26
|
62
|
|
|
5.5
|
28
|
66
|
|
|
6.0
|
28
|
66
|
|
|
6.5
|
31
|
70
|
|
|
7.0
|
34
|
74
|
|
|
7.5
|
34
|
74
|
|
|
8.0
|
36
|
79
|
|
|
8.5
|
36
|
79
|
|
|
9.0
|
40
|
84
|
|
|
9.5
|
40
|
84
|
|
|
10.0
|
43
|
89
|
|
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