QL50 Convex Face DTH Drill Bits For Underground Long Hole Rock Drilling

 Diameter 140mm QL50 Convex Face DTH Drill Bit For Underground Long Hole Rock Drilling
 

DTH Button Bit Description:

Name: DTH Button Bit

Diameter: 140mm

Face design: Convex Face

Carbide Shape: Ballistic and Spherical

Buttons number and diameter: gauge 9x16mm spherical, front 10x14mm ballistic,

Flushing holes: 3 front flushing holes

With foot valve

for QL50 hammer

P/N 4148301354

DTH Button Bit Photo:

 
In DTH drilling, the rock drilling bit is a continuation of the shank, which the rock drill piston strikes directly. Since the piston is in direct contact with the drill bit, little energy is lost. This gives DTH drilling a nearly constant penetration rate regardless of hole length.
 
Basic Information

 
Applications
 
• Underground mining
• Down the hole rock drilling