7° Tapered Drilling Tools
Bit Diameter: 30-43mm
Size: Hex. 22mm, 25mm
Taper degree: 4°46', 6°, 7°, 11°, 12°
Applications: Quarrying, small hole drilling
Our tapered bits include button, cross and chisel designs.
Longer service life and lower drilling costs.
11°, 12° tapered button bit with hot zinc-coating
Button bit |
Dimensions D |
Flushing hole (mm) |
Buttons (mm) |
Angle |
Class |
Part no. |
mm |
in |
Front No size |
Gauge No size |
Front No size |
Gauge No size |
H22
 |
32
34
36
38
41 |
1 1/4
1 11/32
1 13/32
1 1/2
1 5/8 |
2×4
2×4
2×4.5
2×5
2×5 |
1×4
1×4
1×4.5
1×4.5
1×5 |
2×7
2×7
2×7
2×7
2×7 |
5×7
5×7
5×8
5×8
5×9 |
40°
40°
40°
40°
40° |
-
-
-
-
- |
30322207-07
30342207-07
30362207-07
30382207-07
30412207-07 |
H22
 |
34
36
38
41 |
1 11/32
1 13/32
1 1/2
1 5/8 |
2×4
2×4.5
2×5
2×5 |
1×4
1×4.5
1×4.5
1×5 |
2×7
2×7
2×7
2×8 |
6×7
6×7
6×8
6×8 |
35°
35°
35°
35° |
-
-
-
- |
30342208-07
30362208-07
30382208-07
30412208-07 |
H25
 |
36
38
41
43 |
1 13/32
1 1/2
1 5/8
1 11/16 |
2×4.5
2×5
2×5
2×5 |
1×4.5
1×4.5
1×5
1×5 |
2×7
2×8
2×7
2×8 |
5×8
5×8
5×9
5×9 |
35°
35°
35°
35° |
-
-
-
- |
30362507-07
30382507-07
30412507-07
30432507-07 |
Chisel bit |
|
H22
 |
30
32
34
36
38
40 |
1 3/16
1 1/4
1 11/32
1 27/64
1 1/2
1 37/64 |
-
-
-
-
-
- |
2×5
2×5
2×5
2×5
2×5.5
2×5.5 |
-
-
-
-
-
- |
-
-
-
-
-
- |
-
-
-
-
-
- |
-
-
-
-
-
- |
313022-07
313222-07
313422-07
313622-07
313822-07
314022-07 |
H25
|
36
38
41
43 |
1 13/32
1 1/2
1 5/8
1 11/16 |
-
-
-
- |
2×5
2×5.5
2×5.5
2×5.5 |
-
-
-
- |
-
-
-
- |
-
-
-
- |
-
-
-
- |
313625-07
313825-07
314125-07
314325-07 |
Drill rod
|
Dimensions L |
Dimensions D |
Part no |
mm |
ft |
in |
mm |
in |
Hex shank 22*108 mm
 |
600
800
1200
1600
2400
3200
4000 |
2
2
3
5
7
10
13 |
-
7
11 -
-
6
- |
22
22
22
22
22
22
22 |
7/8
7/8
7/8
7/8
7/8
7/8
7/8 |
10220607
10220807
10221207
10221607
10222407
10223207
10224007 |
Hex shank 25*108 mm
 |
800
1600
2400
3200
4000 |
-
4
6
8
10 |
-
-
-
-
- |
25
25
25
25
25 |
1
1
1
1
1 |
10250807
10251607
10252407
10253207
10254007 |