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Drilling Rig Accessories Spherical Threaded Bits T51 Retrac For Borehole

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March 15, 2022
Keyword: Retractable Drill Bit
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Tags:
#stone drilling bits #spherical drill bit #mining drill bits
Video Description:
Discover the ST58 Hardened Steel Drill Bits, designed for precision and durability in rock drilling. With diameters ranging from 89mm to 115mm, these retractable button drill bits are ideal for underground mining and tunneling. Featuring tungsten carbide inserts and high-strength alloy steel, they ensure efficient performance in soft to medium rock formations.
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