T38 76mm 89mm Normal Body Button Bit with Spherical Ballistic
Carbide Inserts
T38 89mm Ballistic buttons:8x13mm,5x12mm
P/N: 4148300732
T38 76mm 89mm Normal Body Button Bit with Spherical Ballistic
Carbide Inserts
Thread Button bit is well known for its high wear resistance on
medium-hard to hard abrasive rock formations (between 200 Mpa to
260 Mpa compressive strength). Featuring spherical tungsten carbide
inserts that is known to have strong configuration against carbide
fracture.
| Product Name | Thread Rock Drill Bit |
| Thread | R25,R28,R32,R38,T38,T45,T51,ST58, ST68 |
| Diameter | 32mm-152mm (or 1 1/4 inch to 6 inch) |
| Drill Bit Type | Button Bit, Retrac Bit, Dome Bit, Reaming Bit, Cross Bit |
| Carbide Insert | Spherical and ballistic |
| Body Design | Normal body and retrac body |
| Face Design | Flat face and drop center face |
| Material | High strength alloy steel bar and tungsten carbide |
| Color | Green, Gold, Black or based on customer requirements. |
Applications
R25, R28, R32, R38
Used in drifting and tunneling.
T38, T45, T51, ST58, ST68
Used in benching and long hole drilling.
Processing
CNC milling and proprietary heat treatment process
Competitive Advantage
High strength chromium-molybdenum steel with high fatigue strength
and excellent wear resistance
High-grade tungsten carbide inserts
T38 Thread Button Bit Specification
| Diameter | Buttons and Size (mm) | Flushing hole | Weight | Part Number |
| mm | inch | Front | Gauge | Angle | Front | Side | kg |
| Spherical |
| 64 | 2 1/2 | 3×11 | 6×12 | 35° | 3 | - | 1.8 | 4148300705 |
| 64 | 2 1/2 | 4×10 | 8×10 | 40° | 2 | - | 1.6 | 4148300706 |
| 64 | 2 1/2 | 3×10, 1×10 | 6×11 | 35° | 3 | - | 1.7 | 4148300707 |
| 70 | 2 3/4 | 4×11 | 8×11 | 40° | 2 | - | 1.9 | 4148300708 |
| 70 | 2 3/4 | 4×10, 1×10 | 8×11 | 30° | 4 | - | 1.9 | 4148300709 |
| 70 | 2 3/4 | 3×10, 1×10 | 6×12 | 35° | 3 | - | 1.8 | 4148300710 |
| 76 | 3 | 4×11 | 8×11 | 40° | 2 | - | 2.4 | 4148300711 |
| 76 | 3 | 5×11 | 8×13 | 35° | 2 | 1 | 2.4 | 4148300712 |
| 76 | 3 | 3×11, 1×11 | 6×12 | 35° | 3 | 1 | 2.6 | 4148300713 |
| 76 | 3 | 4×11, 1×11 | 8×12 | 35° | 4 | - | 2.6 | 4148300714 |
| 76 | 3 | 4×11, 1×11 | 8×11 | 40° | 4 | - | 2.6 | 4148300715 |
| 89 | 3 1/2 | 4×13 | 8×13 | 40° | 2 | - | 3.3 | 4148300716 |
| 89 | 3 1/2 | 5×13 | 8×13 | 35° | 2 | - | 3.3 | 4148300717 |
| 89 | 3 1/2 | 6×11 | 8×12 | 35° | 2 | - | 3.3 | 4148300718 |
| 89 | 3 1/2 | 3×11, 2×11 | 6×13 | 35° | 3 | 1 | 3.3 | 4148300719 |
| 89 | 3 1/2 | 4×11, 1×11 | 8×13 | 35° | 4 | - | 3.3 | 4148300720 |
| 89 | 3 1/2 | 4×13, 1×13 | 8×13 | 35° | 4 | - | 3.3 | 4148300721 |
| Ballistic |
| 64 | 2 1/2 | 3×11 | 6×12 | 35° | 3 | - | 1.8 | 4148300722 |
| 64 | 2 1/2 | 4×10 | 8×10 | 40° | 2 | - | 1.6 | 4148300723 |
| 64 | 2 1/2 | 3×10, 1×10 | 6×11 | 35° | 3 | - | 1.7 | 4148300724 |
| 70 | 2 3/4 | 4×11 | 8×11 | 40° | 2 | - | 1.9 | 4148300725 |
| 70 | 2 3/4 | 4×10, 1×10 | 8×11 | 30° | 4 | - | 1.9 | 4148300726 |
| 76 | 3 | 4×11 | 8×11 | 40° | 2 | - | 2.4 | 4148300727 |
| 76 | 3 | 5×11 | 8×13 | 35° | 2 | 1 | 2.4 | 4148300728 |
| 76 | 3 | 3×11, 1×11 | 6×12 | 35° | 3 | 1 | 2.6 | 4148300729 |
| 76 | 3 | 4×11, 1×11 | 8×12 | 35° | 4 | - | 2.6 | 4148300730 |
| 76 | 3 | 4×11, 1×11 | 8×11 | 40° | 4 | - | 2.6 | 4148300731 |
| 89 | 3 1/2 | 5×13 | 8×13 | 35° | 2 | - | 3.3 | 4148300732 |
| 89 | 3 1/2 | 6×11 | 8×12 | 35° | 2 | - | 3.3 | 4148300733 |
| 89 | 3 1/2 | 3×11, 2×11 | 6×13 | 35° | 3 | 1 | 3.3 | 4148300734 |
| 89 | 3 1/2 | 4×11, 1×11 | 8×13 | 35° | 4 | - | 3.3 | 4148300735 |
| 89 | 3 1/2 | 4×13, 1×13 | 8×13 | 35° | 4 | - | 3.3 | 4148300736 |
We can design and manufacture the personalized products to meet
your specical apllication, such as changing the tungsten carbide
insert profile (spherical, ballistic, etc.), face profile (flat
face, drop center, etc.), and body type( Normal and retrac etc.).
Keywords
Button Bit, Rock Bit, Drill Bit, Rock Drill Bit, Thread Button Bit,
Retrac Bit,
Dome Bit, Reaming Bit, Cross Bit, Chisel Bit, Rock Drilling Tools
Pictures
