8" DTH BITS
Bit shank: DHD380, QL80 MISSION80, SD8
Matched Hammer: JH8/JS8
Bit face: Concave, Drop center
Hole Range: 203-254mm
TEAMWHOLE provides a comprehensive range of drill bits designed for all major DTH shank configurations, characterized by precision engineering, superior heat-treatment, and high-quality tungsten carbide inserts.
Our advanced manufacturing processes and proprietary heat-treatment techniques guarantee consistent and reliable performance in our drilling consumables. Each drill bit is equipped with rigorously tested tungsten carbide inserts, ensuring durability and efficiency.
Bits are available with or without a foot valve.
DTH BIT Face design 
Flat Face Concave Face Convex Face Drop Center Face Suitable for general purpose drilling, including hard and abrasive rock formations. Recommended for drilling in soft to hard formations, the concave face design improves stability and reduces vibration, resulting in straighter holes. Suitable for various drilling applications, including soft, medium-hard, and abrasive rock, providing both speed and durability. Especially used in large diameter bits to ensure straight holes in piling and foundation drilling. Carbides Shape Option
Spherical
Parabolic
TEAMWHOLE BITS FOR 8” HAMMER Bit shank Diameter Qty*Button Diameter.mm
Flushing
Holes
Weight
(kg)mm inch Gauge Front DHD380
SD8
QL80
MISSION80203 8 10*19mm+8*18mm 6*16mm 2 47 216 8.5 10*19mm+8*18mm 6*16mm 3 52 229 9 12*19mm+9*18mm 8*16mm 3 55 241 9.5 12*19mm+9*18mm 9*16mm 3 58 251 9.8 12*19mm+12*18mm 11*16mm 3 60 254 10 12*19mm+6*19mm 6*18mm+9*16mm 3 62 Related Products
8" DTH HAMMER
CONCENTRIC CASING SYSTEM RING BITS
6" DTH BITS
