Down The Hole Bit

KENDOL offers a comprehensive range of DTH drill bits suited to all ground types and drilling conditions, for a wide variety of rock-drilling applications.

The KENDOL DTH drill bit range has been developed using customer feedback and decades of rock drilling experience.

All of our DTH drill bits are tailored to withstand the most demanding drilling conditions. KENDOL’s range of drill bits and can be ordered for all major DTH shanks designs.

Precision engineering, world-class heat-treatment processes, and high-quality tungsten carbide inserts are what set KENDOL DTH drill bits apart.

Key Features
Available with all major drill bit shank designs
Three drill bit face designs: concave, flat, convex
Mincon-manufactured tungsten carbide buttons for the ultimate in quality
Multiple carbide designs and grades for operation in a variety of ground conditions
Proprietary heat-treatment process for superior hardness and wear resistance
Regional manufacturing for lower lead times.

Shank Selection

Type	Min Hole Size(mm)	Splines Qty.	Shank Length(mm)
Bit shank for 3” Hammer Series
DHD3.5	85	8	181
Bit shank for 4” Hammer Series
DHD340	105	8	210
SD4	105	8	260
Bit shank for 5” Hammer Series
DHD350	130	8	260
SD5	130	8	260
QL50	130	12	240
Bit shank for 6” Hammer Series
DHD360	149	8	308
SD6	149	8	324
QL60	149	12	253
Bit shank for 8” Hammer Series
DHD380	200	10	350
SD8	200	8	322
QL80	200	16	332
Bit shank for 12” Hammer Series
SD12	302	8	470
QL120	302	16	492

Other bit shank types are available on request.