H22 H25 Taper Drill Rod for Hard Rock Drilling in Marble Quarry Made of Carbon Steel

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Apr 16, 2025
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H22 H25 Taper Drill Rod 7° 11° 12° For Drilling In Hard Rock High Quality Taper Drill Rod for Mining Applications Our H22 and H25 taper drill rods are engineered for drilling blasting holes, guardrail holes, mountain reinforcement, anchoring, and other demanding projects in mines, quarries, highways, and railways. Key Features Optimal taper angles: 7° for light rock drills, 12° for heavy rock drills Durable construction for extended service life Efficient energy transfer from
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