Description
Our thread button drill bit size from 33mm-178mm, include thread
type R28, R32, R38, T38, T45, T51, ST58, ST68 etc for kinds of
button bit, reaming button bit, retract button bit, drop centre
retract button bit.
The button shapes of our button bits are spherical, ballitic,
conical for customers to choose.
The buttons can be hot insert to the body and welded to the body as
per custmers need and many kinds of good materials are available.
Advantage
1. High Quality
2. Reasonable Price
3. High Efficiency
4. Delivery On Time
Application
The button bit is widely used for rock drilling, blasting holes and
other drill works in quarries, coal mines,
road and dam constructions and other similar projects.
Specification of button bits
Thread Button Bit | Diameter | Carbide size(mm) | Flushing hole | Weight |
mm | in | Front | Gauge | Front | Side | (kg) |
Qty×size | Qty×size |
R/T38 (1 1/2") | 64 | 2 1/2 | 3×11 | 6×12 | 2 | 1 | 1.62 |
70 | 2 3/4 | 4×10 | 8×10 | 2 | 1 | 1.98 |
76 | 3 | 4×11 | 8×12 | 2 | 1 | 2.28 |
89 | 3 1/2 | 6×11 | 8×12 | 2 | 2 | 3.32 |
T45 (1 3/4") | 70 | 2 3/4 | 4×10 | 8×10 | 2 | 1 | 2.24 |
76 | 3 | 4×11 | 8×12 | 2 | 1 | 2.46 |
89 | 3 1/2 | 6×12 | 8×14 | 2 | 2 | 3.52 |
102 | 4 | 7×12 | 8×14 | 2 | 2 | 4.46 |
115 | 4 1/2 | 8×12 | 8×14 | 2 | 2 | 6.68 |
T51 (2") | 76 | 3 | 4×12 | 8×12 | 2 | 1 | 3.62 |
89 | 3 1/2 | 6×12 | 8×14 | 2 | 2 | 4.48 |
102 | 4 | 7×12 | 8×14 | 4 | 1 | 5.26 |
115 | 4 1/2 | 8×12 | 8×14 | 4 | 1 | 7.62 |
127 | 5 | 9×12 | 8×16 | 4 | 1 | 8.58 |
Applications of rock drilling tools
• Underground mining
• Tunneling,quarrying
Competitive Advantage
• High grade tungsten carbide inserts
• Bit bodies manufactured from high grade steel and processed using
state-of-the-art CNC machinery and heat treatment
