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tunnel bolting self drilling bit
Selling leads
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...Drilling Tool Hexagonal Drill Rod For Tunneling Hexagonal Drill Rod Application: The taper drill rod is widely used in metallurgy mine, geological ...
2025-07-30 00:13:50
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... bit diameter 26mm, 28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm, 42mm Length range 400mm - 7000mm Shank ...
2025-06-21 00:38:14
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..., traffic, tunnel, quarry, national defence stone project etc. The tapered drill rod can be matched with multiple drill bits to drill blast holes ...
2025-07-30 00:13:50
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...drilling jack hammer taper shank drill bits/ mining bit Tapered Button Bit Description: The Drill Bits are made from grade hard alloy and special ...
2025-07-30 00:13:50
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...Bit For Hard Rock Retract Button Bit Description: The drill bit is widely used in metallurgy mine, geological exploration, water conservancy ...
2025-07-30 00:13:50
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...Bits R32 51mm For Hard Rock Retract Button Bit Description: The drill bit is widely used in metallurgy mine, geological exploration, water ...
2025-06-21 00:36:53
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...Drill Bit 89mm Rock Drilling Tools Thread Button Bit Description: The Rock Drilling Bits are made from grade hard alloy and special steel, ...
2025-06-21 00:36:25
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... taper button bit compared to world famous button bits Tapered degree: 4, 6°, 7°, 11°, 12° Diameter: 26 - 50 (mm) Customized is available ...
2025-06-21 00:35:32
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...Bit for Hard Rock Drilling Product Information: The diameter of the drill bit is 40mm.The Drill Bits are made from grade hard alloy and special ...
2025-07-30 00:13:50
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... applications in various industries such as mining, tunneling, and construction engineering. Its main purpose is to drill holes in rock drilling ...
2025-07-30 00:13:50
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