Specifications
T38 thread button bit:1. 10 years manufacturer
2. Certificate: ISO9001:2008
3. Material: Carbide steel
T38 thread button bit, hard rock drilling bit, hard rock button bit:
Bit face shape selection:
1. Drop Center Bit
For high penetration rates in soft to medium hard and fissured rock formations. Low to medium air pressures. Maximum hole deviation control.
2. Concave Face
The all-round application bit face specifically for medium hard and homogenerous rock formations. Good hole deviation control and good flushing capacity.
3. Convex Face
For high penetration rates in soft to medium-hard with low to medium air pressures. It is the most resistance to steel wash, and may reduce the load and wear on the gauge buttons, but poor hole deviation control.
4. Double Gauge Face
This kind of face shape is suitable for fast penetration rates in medium to hard rock formations. Designed for high air pressures and good resistance to steel wash step gauge bit.
5. Flat Face Bit
This kind of face shape is suitable for hard to very hard and abrasive rock formations in applications with high air pressures. Good penetration rates an resistance to steel wash.
Carbide button shape selection:
1. Domed/Round Button
2. Parabolic/Semi-Ballistic Buttons
3. Ballistic Button
4. Sharp Button
5. Flat Button
Name of Product | Diameter | Tip size(mm) | No. of Flushing Holes | Weight (kg) | Part-No. | ||
mm | Gauge | Front | Side | Side | |||
T38 Thread | 57 | 5*11 | 3*10 | 1 | 1 | 1.6 | N57F5-T38 |
64 | 5*12 | 3*11 | 1 | 1 | 1.6 | N64F5-T38 | |
76 | 5*14 | 3*12 | 1 | 2 | 2.4 | N76F5-T38 | |
| T38 Thread | 64 | 8*9 | 4*9 | 2 | 2 | 1.8 | N64F8-T38 |
76 | 8*11 | 4*10 | 2 | 2 | 2.6 | N76F8-T38 | |
89 | 8*12 | 6*11 | 2 | 2 | 3.3 | N89F8-T38 | |
102 | 8*13 | 6*12 | 2 | 2 | 4.7 | N102F8-T38 | |
| T38 Thread | 64 | 6*10 | 4*9 | 0 | 3 | 1.7 | N64D6-T38 |
70 | 6*11 | 4*10 | 0 | 3 | 2.2 | N70D6-T38 | |
89 | 6*14 | 4*12 | 0 | 3 | 4.3 | N89D6-T38 | |
| T38 Thread | 64 | 8*9 | 5*8 | 0 | 4 | 1.7 | N64D8-T38 |
70 | 8*10 | 5*9 | 0 | 4 | 2.2 | N70D8-T38 | |
76 | 8*11 | 5*10 | 0 | 4 | 2.7 | N76D8-T38 | |
89 | 8*12 | 6*11 | 0 | 4 | 3.3 | N89D8-T38 | |
102 | 8*13 | 6*12 | 0 | 4 | 4.7 | N102D8-T38 | |
| T38 Retract | 60 | 8*9 | 3*9 | 2 | 2 | 1.7 | R60F8-T38 |
64 | 8*9 | 4*9 | 2 | 2 | 2.0 | R64F8-T38 | |
70 | 8*10 | 4*10 | 2 | 2 | 2.4 | R70F8-T38 | |
76 | 8*11 | 4*10 | 2 | 2 | 3.2 | R76F8-T38 | |
89 | 8*12 | 5*12 | 2 | 2 | 5.8 | R89F8-T38 | |
| T38 Reract | 64 | 8*9 | 5*9 | 0 | 4 | 1.9 | R64D8-T38 |
70 | 8*10 | 5*10 | 0 | 4 | 2.4 | R70D8-T38 | |
76 | 8*11 | 5*10 | 0 | 4 | 3.3 | R76D8-T38 | |
89 | 8*12 | 6*11 | 0 | 4 | 5.3 | R89D8-T38 | |
down the hole hammer | martillo de fondo | o martelo buraco | marteau fond de trou | Imlochhammer | martello | a lyukba kalapács | alasuppovasara | síos an poll casúr | ned i hullet hammer | ned i hullet hammer
down the hole bit | por el poco agujero | baixo o bit buraco | vers le bas le bit de trou | in das Loch Bit | il bit del foro | a lyukba bit | síos an poll giotán | ned i hullet bit | ned i hullet bit