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7° Taper Button Drill Bit Diameter 40mm Gauge 4 x 8mm Tungsten Carbide2022-04-13 15:03:05 |
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Durable Rock Drill Spare Parts Tungsten Carbide Mining Taper Button Bit2022-04-13 15:03:06 |
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High Air Pressure DTH Drill Bits DHD340 Dia 110-133mm For 4" DTH Hammer2025-03-10 16:14:04 |