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Black & Silver Masonry Drill Bits
Application: For drilling in concrete, reinforced concrete, brick, block and masonry, etc.
 
Materials: High Carbon Steel for the body and carbide tipped cutting edge.

Black groove, edge polished.

For use on rotary and percussion drills.

Other surface treatment are available: Galvanized finish, Nickel Plated, Chrome coated, Black finish, Sandblasted finish.

From 11mm or 7/16" use reduced shank.
 
Diameter
Flute
Overall
Flute
Overall
Flute
Overall
Flute
Overall
Flute
Overall
Flute
Overall
Size
Size
Length
Length
Length
Length
Length
Length
Length
Length
Length
Length
Length
Length
mm
Inch
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
3
1/8
30
60

 

 

 

 

 

 

 

 

 

 

4
5/32
40
75

 

 

 

 

 

 

 

 

 

 

5
3/16
50
85
85
150

 

 

 

 

 

 

 

 

6
15/64
60
100
85
150
135
200
200
300
300
400
450
600
6.5
1/4
60
100
85
150
135
200
200
300
300
400
450
600
7
9/32
60
100
85
150
135
200
200
300
300
400
450
600
8
5/16
80
120
85
150
135
200
200
300
300
400
450
600
9
11/32
80
120
85
150
135
200
200
300
300
400
450
600
10
3/8
80
120
85
150
135
200
200
300
300
400
450
600
11
7/16
85
150

 

 
135
200
200
300
300
400
450
600
12
15/32
85
150

 

 
135
200
200
300
300
400
450
600
13
1/2
95
150

 

 
135
200
200
300
300
400
450
600
14
9/16
95
150

 

 
135
200
200
300
300
400
450
600
15
19/32
95
150

 

 
135
200
200
300
300
400
450
600
16
5/8
95
150

 

 
135
200
200
300
300
400
450
600
17
11/16
95
150

 

 
135
200
200
300
300
400
450
600
18
11/16
105
160

 

 
135
200
200
300
300
400
450
600
19
3/4
105
160

 

 
135
200
200
300
300
400
450
600
20
25/32
105
160

 

 
135
200
200
300
300
400
450
600
22
7/8
105
160

 

 
135
200
200
300
300
400
450
600
24
15/16
105
160

 

 
135
200
200
300
300
400
450
600
25
1
105
160

 

 
135
200
200
300
300
400
450
600
 
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