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Offer Details

Add to Basket Spotting and Centering Drill Bits / Nc Spotting Drill Bits

Offer Type:
Offer Group: drill bits
Offer Post Time: 2009-11-05
Expiration Date: 2010-09-17
Details: Spotting and centering drill bits are designed for centering work, making a starting hole for a larger drill and for chamfering. The short flute length and rigid over length of the drill is very rigid to ensure precise spotting before drilling.

Nc spotting drill bits are designed to use on NC or CNC machinery. They reduce location error and improve hole size more accuracy.

Long length and special specification on request.
Nominal diameter
Dh8
inch
 
Flute Length
L2
inch
 
Overall length
L1
inch
 
1/8"
 
5/8"
 
2-1/2"
 
3/16"
 
3/4"
 
2-1/2"
 
1/4"
 
1"
 
2-1/2"
 
3/8"
 
1-1/4"
 
3"
 
1/2"
 
1-1/4"
 
3"
 
5/8"
 
1-1/8"
 
3"
 
3/4"
 
1-1/8"
 
3"
 
1"
 
1-1/8"
 
3"
 
Nominal diameter
Dh8
mm
 
Flute Length
L2
mm
 
Overall length
L1
mm
 
3
 
8
 
46
 
4
 
9
 
55
 
5
 
10
 
62
 
6
 
15
 
66
 
8
 
17
 
79
 
10
 
20
 
89
 
12
 
25
 
102
 
16
 
35
 
115
 
20
 
40
 
131
 
25
 
50
 
151
 
30
 
50
 
160
 
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