DTH Button Bits
SDRD manufacturers the DTH
bits suitable for the
following standard hammers.
Hammer Types
Size of the bit (In mm)
Face Design
Smart - 6
152 - 215 mm
Flat Concave
Panther
115 - 152 mm
Flat Concave
Mach - 4
115 - 152 mm
Flat Concave
Cop - 42
102 - 125 mm
Flat Concave
Cop - 62
152 - 204 mm
Flat Concave
DHD - 340A
102 - 125 mm
Flat Concave
DHD - 350
120 - 152 mm
Flat Concave
SD - 6
152 - 216 mm
Flat Concave
DHD - 360
152 - 216 mm
Flat Concave
SD - 8
204 - 254 mm
Flat Concave
SD - 10
254 - 305 mm
Flat Concave
Mission - 6
203 - 305 mm
Flat Concave
Numa
254 - 305 mm
Flat Concave
Concave
Suitable for drilling in all
formations, Cone shaped
depression in the face has
centering effect for
straighter holes. Well
suited for soft to medium
formations.
Convex
Fast penetration rates Face
design allows for increased
body support for gage
carbide. They are two gages
and the inner gage row helps
to protect the outer row
from excessive wear. Well
suited for hard and abrasive
formations.
Flat
Face slots help eliminate
bit plugging in softer zones
More carbide to surface
contact for better rock
fracture. It is a simple and
a robust design Well suited
for medium to hard
formations.
