271 - 280 of 467
3 inch dth drilling bits
Selling leads
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...: Pilot bit + ring bit + casing shoe MRING overburden drilling systems are designed to use ring bit which is not connected to casing shoe. Special ...
2026-06-20 00:28:18
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... Hole range(mm): 130-175 Outer diameter: 112 Weight(KGS): 46 Low air pressure CIR130 DTH drilling hammer details: Rock drilling tools manufacturer ...
2026-06-20 00:28:18
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...Drilling System Hole Opener Drill Bit For Well Drilling Product model: Overburden Symmetric Casing Drilling System Matched hammer: Hammer DHD350 ...
2026-06-20 00:28:18
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...: 2.8 Working pressure(bar): 7~11 Outer diameter(mm): 98 Weight(KGS): 24.5 Bit diameter recommend(mm): 110~140 DTH Hammer - a powerful drilling ...
2026-06-20 00:28:18
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...Diameter(mm): 115mm New design concentric 3 wings casing drilling bit introduction: When drilling in soft and loose ground with scattered boulders, ...
2026-06-20 00:28:18
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Product name: 610MM MXH horizontal casing drilling bit for tunneling Product category: horizontal casing drilling bit Matched hammer: Hammer N180 ...
2026-06-20 00:28:18
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Product details: Kingdrilling rock drilling button bits are widely used in all kinds of mining, drilling, quarrying, engineering, construction, water ...
2026-06-20 00:28:18
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...pressure(bar): 10~25 Outer diameter(mm): 99 Weight(KGS): 40.7 Bit diameter recommend(mm): 115~130 High air pressure DTH hammer with QL40 shank ...
2026-06-20 00:28:18
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... pressure(bar): 10~25 Outer diameter(mm): 146 Weight(KGS): 90 Bit diameter recommend(mm): 165~190 High air pressure DTH hammer with QL60 shank ...
2026-06-20 00:28:18
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... Working pressure(bar): 7~11 Outer diameter(mm): 98 Weight(KGS): 24.5 Bit diameter recommend(mm): 110~140 Russian bayonet 130PB shank DTH drilling ...
2026-06-20 00:28:18
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