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Coal Cutting Pick Tunneling Tooth Tools For Rock Tunnel Boring Machine

Coal Cutting Pick Tunneling Tooth Tools For Rock Tunnel Boring Machine

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Coal Cutting Pick Tunneling Tooth Tools For Rock Tunnel Boring Machine

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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