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Reduced Shank Masonry Drill Bits
Application: Ideal for concrete, stones, brick, cinder block and masonry.
 
Surface Treatment: Nickel Plated.
 
Materials: 45# carbon steel for body and YG8 tungsten carbide for cutting edge.

Groove Sort: High Helix.

Length Characteristic: Standard, Reduced Shank.

Processing Technology: Milled.

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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