61 - 70 of 75
76mm coal mining drill bits
Selling leads
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... used for gound quarring and underground drilling. Specification: A comprehensive range of various button bits shown as below: Thread sizes: R25, ...
2025-06-21 00:37:18
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H22 Tapered Drill Rod for Hexagonal Drill Rod Specification: Rod Length:500~6400mm Shank length: H22*108mm Advantages: The tapered drill rod can be ...
2025-07-29 00:13:44
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...tapered rod through the taper for drilling. Product features: Degree: 4°46', 7, 11,12. Diameter: 28mm - 43mm. Button quantity: 6, 7, 8 ( ...
2025-07-29 00:13:44
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...Drill Retrac Tungsten Carbide Retrac Button Bit Description: 76mm T38 Quarrying Retrac Threaded Button Bit is suitable for mining,quarring...
2025-06-21 00:36:53
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T38 Tungsten Carbide Rock Thread Button Bit Description: Thread button bits are made by high quality alloy steel bar and tungsten carbides. Under the ...
2025-06-21 00:36:50
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Underground Mining Work Tungsten Carbide Thread Button Bit Application: Threaded Drill Bits cover regular, retrac and reaming types. With stronger ...
2025-06-21 00:36:44
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... drills for shallow hole drilling operations, and are generally made of H22 and H25 hexagonal hollow drill steel. It needs to be matched with the ...
2025-07-29 00:13:44
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...Drill Rod for Quarrying Prodcut information: Tapered Drill rod is also called the Hexagonal Drill Rod. Tapereddrillrod is suitable for small ...
2025-07-29 00:13:44
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...Bit Tapered Button Bit Description: Our tapered button bit was from high quality cemented carbide and produced with heat treatment technology,which ...
2025-07-29 00:13:44
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...Bit And Tapered Rod For The Drilling Hexagonal Drill Rod Prodcut information: Tapered Drill rod is also called the Hexagonal Drill Rod.The rod is ...
2025-07-29 00:13:44
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