8 inch high air pressure DTH bits
10 inch high air pressure DTH bits
Our DTH drill bits range covers the most diverse applications in mining, natural resources exploration, water wells, quarries and civil works.
1. Five basic dth drill bit designs: Flat front, Convex, Speed, Concave. All shapes for all types of rock of hard, soft or abrasive.
2. Deliver maximum energy to dth drilling bit, fast drilling speed and low air consumption due to inner structure of HD series DTH hammer designed according to newest rock drilling theory.
3. Smooth performance and long service life of DTH drill bits due to high quality alloy steel materials and advanced processing technology adapted.
4. Low problem rate and easy to maintenance due to simple , reliable and easy assemble and disassemble inner structure of DTH drill bits.
5. Easy to depart the dth bit from hammer due to multi—head thread connecting chuck and cylinder of hammer.
Drill Bit |
The Drill Head Diameter (mm) |
Spline Key Number |
Gauge Buttons |
Front Buttons |
Weight |
Part No |
203 |
2 |
10XΦ18 |
10XΦ16 |
40.0 |
HD85-203 |
|
216 |
2 |
10XΦ18 |
12XΦ16 |
49.0 |
HD85-216 |
|
241 |
2 |
12XΦ18 |
18XΦ16 |
64.0 |
HD85-241 |
|
254 |
3 |
12XΦ18 |
21XΦ16 |
71.0 |
HD85-254 |
|
305 |
4 |
12XΦ18 |
29XΦ16 |
95.0 |
HD85-305 |
|
203 |
2 |
10XΦ18 |
10XΦ16 |
37.0 |
SD8-203 |
|
216 |
2 |
10XΦ18 |
12XΦ16 |
48.0 |
SD8-216 |
|
241 |
2 |
12XΦ18 |
18XΦ16 |
63.0 |
SD8-241 |
|
254 |
3 |
12XΦ18 |
21XΦ16 |
70.0 |
SD8-254 |
|
305 |
4 |
12XΦ18 |
29XΦ16 |
94.0 |
SD8-305 |
|
203 |
2 |
10XΦ18 |
10XΦ16 |
35.0 |
QL80-203 |
|
216 |
2 |
10XΦ18 |
12XΦ16 |
49.0 |
QL80-216 |
|
241 |
2 |
12XΦ18 |
18XΦ16 |
64.0 |
QL80-241 |
|
254 |
3 |
12XΦ18 |
21XΦ16 |
71.0 |
QL80-254 |
|
305 |
4 |
12XΦ18 |
29XΦ16 |
95.0 |
QL80-305 |
|
203 |
2 |
10XΦ18 |
10XΦ16 |
35.0 |
HM8-203 |
|
216 |
2 |
10XΦ18 |
12XΦ16 |
40.0 |
HM8-216 |
|
241 |
2 |
12XΦ18 |
18XΦ16 |
54.0 |
HM8-241 |
|
254 |
3 |
12XΦ18 |
21XΦ16 |
57.0 |
HM8-254 |
|
305 |
4 |
12XΦ18 |
29XΦ16 |
77.0 |
HM8-305 |
Drill Bit |
The Drill Head Diameter (mm) |
Spline Key Number |
Gauge Buttons |
Front Buttons |
Weight |
Part No |
254 |
3 |
12XΦ18 |
20XΦ16 |
108.0 |
SD10-254 |
|
305 |
4 |
12XΦ18 |
36XΦ16 |
125.0 |
SD10-305 |
|
311 |
4 |
12XΦ18 |
36XΦ16 |
130.0 |
SD10-311 |
|
318 |
4 |
12XΦ18 |
38XΦ16 |
142.0 |
SD10-318 |
|
330 |
4 |
16XΦ18 |
42XΦ16 |
155.0 |
SD10-330 |
|
254 |
3 |
12XΦ18 |
20XΦ16 |
90.0 |
Numa100-254 |
|
305 |
4 |
12XΦ18 |
36XΦ16 |
102.0 |
Numa100-305 |
|
311 |
4 |
12XΦ18 |
36XΦ16 |
104.0 |
Numa100-311 |
|
318 |
4 |
12XΦ18 |
38XΦ16 |
106.0 |
Numa100-318 |
|
330 |
4 |
14XΦ18 |
42XΦ16 |
112.0 |
Numa100-330 |