11° Tapered Drilling Tools
Bit Diameter: 30-41mm
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 | 34 36 38 41 | 1 11/32 1 27/64 1 1/2 1 5/8 | 1×4.5 1×5 1×5.5 1×5.5 | 2×4.5 2×5 2×5 2×5.5 | 2×7 2×7 2×8 2×7 | 5×7 5×8 5×8 5×9 | 35° 35° 35° 35° | - - - - | 30342207-11 30362207-11 30382207-11 30412207-11 | |
| H22 | 34 36 38 41 | 1 11/32 1 13/32 1 1/2 1 5/8 | 1×4.5 1×5 1×5.5 1×5.5 | 2×4.5 2×5 2×5 2×5.5 | 2×7 2×7 2×7 2×8 | 6×7 6×7 6×8 6×8 | 35° 35° 35° 35° | - - - - | 30342208-11 30362208-11 30382208-11 30412208-11 | |
| H25 | 36 38 41 43 | 1 13/32 1 1/2 1 5/8 1 11/16 | 2×4 2×5 2×5 2×5 | 1×4 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° | - - - - | 30362507-11 30382507-11 30412507-11 30432507-11 | |
| 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 | - - - - - - | - - - - - - | - - - - - - | - - - - - - | 313022-11 313222-11 313422-11 313622-11 313822-11 314022-11 | |
| 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 | - - - - - - | - - - - - - | - - - - - | - - - - - - | 313025-11 313225-11 313425-11 313625-11 313825-11 314025-11 | |
| Drill rod | Dimensions L | Dimensions D | Part no | |||
| mm | ft | in | mm | in | ||
| Hex shank 22*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 | 10220611 10221211 10221811 10222211 10222411 10222301 10223211 10223611 |
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