Drillig Tools Hex22 7/11/12 Degrees Tapered Rock Drill Rod For Jack Hammer
Apr 22, 2025
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# 7/11 Degrees Rock Drill Rod
# Hex22 Rock Drill Rod
# 12 Degrees Rock Drill Rod
Drillig Tools Hex22 7/11/12 Degrees Tapered Rock Drill Rod For Jack Hammer Product Description Tapered rock drill rod H22 Generally, the lightduty rock drill uses 7 taper or smaller taper degree, the heavyduty rock drill mainly uses 12 taper degree. The tapered drill rods have a tough life, transferring the percussion energy from rock drill to drilling bit and then into the rock. They're also subjected to high bending stress, not to mention corrosive water in the flushing
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