NUMA120 DTH HAMMER BITS also called N120 DTH bits, N120Drill bit, N120 dth button bits which is replaced original NUMA120 shank dth bits

For the N120 dth hammer , Outdistances competitive hammers in both speed and longevity simplified hammer design 

with less internal components drills at high frequency to provide less vibration and smooth operation .

More efficient design requires less air which equals fuel savings Less overall parts promote easier maintenance Designed to operate at pressures to 250 PSI(17.0 BAR)

Ability to drill efficiently against high heads of water. Concave face design for advanced hole cleaning capabilities

3/4” (19 mm) diameter carbide buttons throughout face, Several grades and types of carbide are available

Significantly larger spline area for exceptional strength and transfer of torque Plate drive system for increased spline life ,Side wear buttons are available as an option, 

Other bit sizes may be available upon request

All our DTH drill bits are also CAD designed, CNC manufactured for perfect bits body, and multiple heat-treated to enhance hardness, 

surface-compressed for fatigue resistance, all thus to extend the product life for maximum wear and performance in the toughest of drilling conditions. 

Advantages:

1.(Faster drilling

2.Save lubrication oil

3.Longer working life

4.Stable drilling speed

5.Replaced Original hammers and bits

6.Completely after sales service

How to order:

DTH BITS: BIT SHANK + DIAMETER 

(We are customizing customer on bit face and button shape)