Customization: | Available |
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Length: | 1600mm |
Material: | 55simnmo |
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Hex 22*108mm Tapered Drill Rod Taper Steel Pipe Rods Drilling Quarry Mining
For drilling medium-hard to hard and abrasive rock formations, normally taper angles of 11 and 12-degrees are used on modern
drill rigs, like our model no. PD-Y58 crawler hydraulic rock drill. Also for Y6, Y10, Y24, YT24, Mobile rock drill pneumatic and
hydraulic. For low impact rock drills and softer rock formations, a narrow tape range of 7 degrees is used, such as Indian,
Saudi's granite and marble quarry. A comprehensive range of taper button bits, cross bits and chisel bits with 6, 7, 11, 12 degree
taper, drill hole diameter: 28mm-57mm.
Shank Style
|
Length
|
Tapered Angle
|
|
|
Mm
|
foot/inch
|
4 degree 7 degree 11 degree 12 degree
|
Hex19 × 108mm
|
400 ~ 4,000
|
1' 4" ~ 13' 1"
|
|
Hex22 × 108mm
|
400 ~ 9,600
|
1' 4" ~ 31' 6"
|
|
Hex25 × 108mm
|
600 ~ 6,400
|
1' 11 5/8" ~ 21'
|
|
Hex25 ×159mm
|
800 ~ 6,400
|
2' 7" ~ 21'
|