Hard Rock Jack Hammer Drill Rod 11 Degree Steel Tapered Hexagonal
Hard Rock Drilling 11 degree Steel Tapered Hexagonal Drill Rod
Specification:
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Rod Length: |
400~6400mm ( Lengths could be made to your specifications ) |
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Shank length: |
H22 * 108mm , H25 * 108mm , H19 * 108mm |
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Taper Degree: |
4°46', 6°, 7°, 11°, 12° |
Prodcut information:
Tapered drill rod is a further development of the integral drill rods.
Is used for rock drilling, blast holes and other drilling situations, including quarries, coal mines, traffic and other construction.
It usually has a forged collar to maintain the proper shank striking face position in the rock drill.
Application:
Tapered Drill rod is also called the Hexagonal Drill Rod.
used for penumatic rock drill, hydraulic rock drill and gasoline rock drill. Medium hard to hard and abrasive rock formations.
Advantages:
Faster penetration,straight holes and long service life.
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