finedrills

Down-the-hole drill bit high wind pressure series alloy drill bit rock drill bit 90-305mm

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Description

Price: Negotiated by email

Model: 00052

Brand: Finedrills

Diameter of Drilling: 90-305mm

Depth of drilling: 500m

Angle of Drilling: 38°

HRA>=92

Strength>=2800N

Application: Mountain mining, tunnel excavation, quarry, hydroelectric power station

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