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Roller Cutter For Tunnel Boring Machine Pick Cutter Round Shank Miner Cutting

Roller Cutter For Tunnel Boring Machine Pick Cutter Round Shank Miner Cutting

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Roller Cutter For Tunnel Boring Machine Pick Cutter Round Shank Miner Cutting

Parabolic button are widely used as gauge buttons and front buttons of DTH bits,suitable for medium abrasive and hard formations.

Rock DTH drill bits,Tungsten carbide mining drill bits,Overburden drilling bits,Tungsten carbide button,DTH hammer,Coal mining picks

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