12° Tapered Drilling Tools

Bit Diameter: 30-45mm
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
33
35
36
38
40
1 1/4
1 5/16
1 3/8
1 13/32
1 1/2
1 9/16
2×4
2×4
2×4
2×4.5
2×4.5
2×5
1×4
1×4
1×5
1×5
1×5
1×5
2×7
2×7
2×7
2×7
2×8
2×8
5×7
5×7
5×7
5×8
5×8
5×8
40°
40°
40°
40°
40°
40°
-
-
-
-
-
-
30322207-12
30332207-12
30352207-12
30362207-12
30382207-12
30402207-12
H22
32
34
38
45
1 1/4
1 11/32
1 1/2
1 3/4
2×4.5
2×4.5
2×5
2×5.5
1×4.5
1×4.5
1×5
2×4
2×7
2×7
2×8
2×8
6×7
6×7
6×8
6×9
15°,35°
15°,35°
15°,35°
15°,35°
-
-
-
-
30322208-12
30342208-12
30382208-12
30452208-12
H25
36
38
41
43
1 13/32
1 1/2
1 5/8
1 11/16
2×4.5
2×4.5
2×5
2×5
1×5
1×5
1×5
1×5
2×7
2×8
2×7
2×8
5×8
5×8
5×9
5×9
35°
35°
35°
35°
-
-
-
-
30362507-12
30382507-12
30412507-12
30432507-12
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
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
313022-12
313222-12
313422-12
313622-12
313822-12
314022-12
H25
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
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
313025-12
313225-12
313425-12
313625-12
313825-12
314025-12

Drill rod

Dimensions L Dimensions D Part no
mm ft in mm in
Hex shank22*108 mm
610
1220
1830
2000
2440
3050
3200
3660
2
4
6
6
8
10
10
12
-
-
- 7 -
- 6 -
22
22
22
22
22
22
22
22
7/8
7/8
7/8
7/8
7/8
7/8
7/8
7/8
10220612
10221212
10221812
10222212
10222412
10222302
10223212
10223612
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