Specifications of 8 inch High Air Pressure DTH Bits |
8 inch High Air Pressure DTH Bits | |||||
DHD380 (COP84) | THE Drill Head Diameter(mm) | NO.Air Holes | Gauge Buttons | Front Buttons | Weight(KG) |
195 | 3 | 9XØ18 | 9XØ16 | 33 | |
203 | 2 | 10XØ18 | 13XØ16 | 40 | |
216 | 2 | 10XØ18 | 14XØ16 | 49 | |
254 | 3 | 12XØ18 | 17XØ16 | 71 | |
305 | 4 | 12XØ18 | 29XØ16 | 95 | |
SD8 |
195 | 3 | 9XØ18 | 9XØ16 | 32 |
203 | 2 | 10XØ18 | 12XØ16 | 37 | |
216 | 2 | 10XØ18 | 14XØ16 | 48 | |
254 | 2 | 12XØ18 | 21XØ16 | 70 | |
305 | 4 | 12XØ18 | 29XØ16 | 94 | |
QL8 | 195 | 3 | 9XØ18 | 9XØ16 | 32 |
203 | 2 | 10XØ18 | 13XØ16 | 35 | |
216 | 2 | 10XØ18 | 14XØ16 | 49 | |
254 | 2 | 12XØ18 | 21XØ16 | 71 | |
305 | 4 | 12XØ18 | 29XØ16 | 95 | |
Mission 80 | 203 | 2 | 10XØ18 | 13XØ16 | 35 |
216 | 2 | 10XØ18 | 14XØ16 | 40 | |
241 | 2 | 12XØ18 | 18XØ16 | 54 | |
254 | 2 | 12XØ18 | 21XØ16 | 57 | |
305 | 4 | 12XØ18 | 29XØ16 | 77 |
Production Process |
The life of the DTH bit depends on the material and technology of the bit. Our drill bit is made of the most efficient high quality alloy steel.Use quality forged steel, heat treatment and shot peening to provide a durable and reliable balance of strength and toughness..
Picture of 8 inch High Air Pressure DTH Bits: |
transportation |
OUR SERVICE |
☑ We will provide more precisely and efficiently manufacture and serve according to clients' drawings. |
☑ We have professional QC team to ensure your product more better. |
☑ Check the raw material before starting production. |
☑ Have the random inspection during the processing. |
☑ Make the 100% inspection before the shipments. |
WHY ARE YOU CHOOSE US |
☑ We have been engaged in tapered cross bit for more than 20 years. |
☑ apered cross with conical pipe drilling perfect; |
☑ Reliable work, high cost performance; |
☑ Accurate the dimension of taper degree perfectly matches the rods; |
☑ High grade tungsten carbide inserts; |
☑ The drill bit is made of high quality steel and uses the most advanced CNC machinery and heat treatment process. |
about uS |
FAQ |