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6° Taperd Drilling Tool
Rock drilling tools Tapered Drill Rod is to provide a hexagonal chuck section to provide leverage for the rotation chuck bushing. It usually has a forged collar to maintain the proper shank striking face position in the rock drill, and a tapered drill bit end
Tapered steel lengths are measured from the collar to the bit end. Holes are usually drilled in 0.6 m increments to accommodate the air leg feed length. The drilled steel is extracted and followed with a slightly smaller diameter rock drill bit on the next steel length in the sequence.
6°
| Button bit (6°) | Dimensions (D) |
Flushing hole (mm) |
Buttons (mm) |
Angle | Part no. | |||
| mm | inch | Front No size |
Gauge No size |
Front No size |
Gauge No size |
|||
|
|
32 34 36 38 41 |
1 1/4” 1 11/32” 1 27/64” 1 1/2” 1 5/8” |
1×4 1×4 1×4.5 1×4.5 1×5 |
2×4 2×4 2×4.5 2×5 2×5 |
5×7 5×7 5×8 5×8 5×9 |
2×7 2×7 2×7 2×7 2×7 |
40° 40° 40° 40° 40° |
30322207-06 30342207-06 30362207-06 30382207-06 30412207-06 |
 |
34 36 38 40 |
1 11/32” 1 27/64” 1 1/2” 1 37/64” |
1×4 1×4.5 1×4.5 1×5 |
2×4 2×4.5 2×5 2×5 |
6×7 6×7 6×8 6×8 |
2×7 2×7 2×7 2×8 |
35° 35° 35° 35° |
30342208-06 30362208-06 30382208-06 30402208-06 |
|
|
36 38 41 43 |
1 27/64” 1 1/2 1 5/8 1 11/16 |
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 |
2×7 2×8 2×7 2×9 |
35° 35° 35° 35° |
30362507-06 30382507-06 30412504-06 30432507-06 |
| Chisel bit | Dimensions (D) | Flushing hole (mm) |
Buttons (mm) |
Angle | Part no. | |||
| mm | inch | Front No size |
Gauge No size |
Front No size |
Gauge No size |
|||
|
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 |
– – – – – – |
– – – – – – |
– – – – – – |
– – – – – – |
313022-06 313222-06 313422-06 313622-06 313822-06 314022-06 |
|
|
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 |
– – – – – – |
– – – – – – |
– – – – – – |
– – – – – – |
313025-06 313225-06 313425-06 313625-06 313825-06 314025-06 |
| Tapered drill rod (6°) | Dimensions(L) | Dimensions(D) | Part no. | |||
| mm | ft | inch | mm | inch | ||
Hex shank 22*108mm |
600 800 1200 1600 2400 3200 4000 |
2 2 3 5 7 10 13 |
– 7 11 3 10 6 1 |
22 22 22 22 22 22 22 |
7/8 7/8 7/8 7/8 7/8 7/8 7/8 |
10220606 10220806 10221206 10221606 10222406 10223206 10224006 |
Hex shank 25*108mm 
|
800 1600 2400 3200 4000 |
2 5 7 10 13 |
7 3 10 6 1 |
25 25 25 25 25 |
1 1 1 1 1 |
10251206 10251806 10252406 10253006 10254006 |
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