7° Tapered Drilling Tools

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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
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