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89mm tapered button bit
Selling leads
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...Sup Thread Connection: 3 1/2" API Reg Pin Bit Shank: QL50 Type: with foot valve Feature: top sup have tungsten carbide buttons. P/N4148301741 ...
2026-06-28 00:05:49
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Product Description Extension rod, other names are Extension drill steel, Extension drill rod, and Extension steel, M/F rod ( Speed rod ) , Produce ...
2026-06-28 00:05:49
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T38, T45 China Threaded Extension MM Rock Drill Rod for Drilling Product Overview In the rock drilling process, the drill rod is subjected to the ...
2026-06-28 00:05:50
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