HEMCO offers Down-the-hole (DTH) bits for drilling diameters from 90mm to 445mm. The bits are manufactured to the highest standards using premium grade steel alloys heat treated and hardened for maximum productivity without compromising durability or reliability
| Diameter |
Product Code |
No. x Button Diameter, mm |
Button Angle |
Flushing Holes |
Weight |
| mm |
Inch |
Gauge Buttons |
Front Buttons |
| 90 |
3 9/16 |
HD35-90 |
8x12 |
7xll |
38 |
2 |
4.6kg |
| 100 |
3 15/16 |
HD35-100 |
8x12 |
7xll |
38 |
2 |
4.8kg |
| 105 |
4 1/8 |
HD45-105 |
8x12 |
7x12 |
38 |
2 |
5.0kg |
| 110 |
4 5/16 |
HD45-110 |
8x14 |
7x12 |
38 |
2 |
5.5kg |
| 115 |
41/2 |
HD45-115 |
8x14 |
7x13 |
38 |
2 |
8.2kg |
| 120 |
4 3/4 |
HD45-120 |
8x14 |
8x13 |
38 |
2 |
8.7kg |
| 125 |
4 15/16 |
HD45-125 |
8x14 |
10x13 |
38 |
2 |
8.9kg |
| 130 |
5 1/8 |
HD45-130 |
8x16 |
8x14 |
38 |
2 |
9.4kg |
| 140 |
5 1/2 |
HD55-140 |
8x16 |
10x14 |
38 |
2 |
15.8kg |
| 152 |
6 |
HD55-152 |
8x18 |
8x15 |
38 |
2 |
17.0kg |
| 156 |
6 1/8 |
HD55-156 |
8x18 |
8x15 |
38 |
2 |
17.5kg |
| 159 |
6 1/4 |
HD65-159 |
8x18 |
4x16+4x14 |
38 |
2 |
23.5kg |
| 165 |
6 1/2 |
HD65-165 |
8x18 |
8x16 |
38 |
2 |
24.0kg |
| 171 |
6 3/4 |
HD65-171 |
8x18 |
8x16 |
38 |
2 |
25.0kg |
| 178 |
7 |
HD65-178 |
8x18 |
10x16 |
38 |
2 |
26.0kg |
| 185 |
7 1/4 |
HD65-185 |
10x18 |
13x16 |
38 |
2 |
26.8kg |
| 190 |
7 1/2 |
HD65-190 |
10x18 |
13x16 |
38 |
2 |
27.5kg |
| 200 |
7 7/8 |
HD85-200 |
10x18 |
8x18+6x16 |
38 |
2 |
46.0kg |
| 203 |
8 |
HD85-203 |
10x18 |
8x18+6x16 |
38 |
2 |
47.0kg |
| 216 |
8 1/2 |
HD85-216 |
10x18 |
8x18+6x16 |
38 |
2 |
53.0kg |
| 229 |
9 |
HD85-229 |
10x18 |
8x18+7x16 |
38 |
2 |
57.0kg |
| 235 |
9 1/4 |
HD85-235 |
12x18 |
30x16 |
38 |
2 |
57.5kg |
| 240 |
9 1/2 |
HD85-240 |
12x18 |
30x16 |
38 |
2 |
58.0kg |
| 254 |
10 |
HD85-254 |
12x18 |
12x18+8x16 |
38 |
2 |
61.0kg |
| 270 |
10 5/8 |
HD85-270 |
12x19 |
20x18+8x16 |
38 |
2 |
66.0kg |
| 279 |
11 |
HD85-279 |
12x19 |
20x18+9x16 |
38 |
2 |
71.0kg |
| 305 |
12 |
SDl0-305 |
15x19 |
27x18+9x16 |
38 |
3 |
97.0kg |
| 315 |
12 3/8 |
SDl0-315 |
15x19 |
27x18+9x16 |
38 |
3 |
102.0kg |
| 330 |
13 |
SDl0-330 |
15x19 |
27x16+9x16 |
38 |
3 |
102.0kg |
| 356 |
14 |
SD12-356 |
15x19 |
44x18 |
38 |
3 |
150.0kg |
| 381 |
15 |
SD12-381 |
15x19 |
40x19 |
38 |
3 |
160.0kg |
|
HD Type Bit
SD Type Bit
QL Type Bit
|
