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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