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Friction Bolts

China Friction Bolts

Galvanized Split Set Friction Bolts Rock Mining

Features:Self-Drilling, Easy to Install, Reusable

Usage:Supporting Tunnel Walls

Material:Steel

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About

Rock Drilling Machine: Lightweight and Durable YT24 Rock Drilling Machine with Air Leg; Roadway Excavation Yt28 Air Leg Rock Drill , 80mm Rock Hammer Drill; Blue YT29A Air Leg Rock Drilling Machine 35 - 45 Mm Diameter

Rock Drilling Bit: 38mm Button Drill Bit 11degree Small Rock Drill Bits For Granite Rock; 48mm R32 Thread Button Coal Mining Drill Bits Quarrying Use; T45 76mm Thread Mine Rock Drilling Bit Tungsten Carbide

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