Professional Drilling Solutions
KAT drilling tools R28/SR28 thread drill bits are engineered for high-performance construction drilling, drifting, tunneling, and bolting. These tools are optimized for underground production and long hole drilling operations, ensuring efficiency in the toughest environments.
✓
Higher Penetration Rate
Optimized energy transfer for faster drilling.
✓
Improved Reliability
Consistent performance in demanding rock conditions.
✓
Longer Service Life
Crafted with premium alloy steel and tungsten carbide.
Our comprehensive range includes 11 main thread types: SR22, SR25, R25, SR28, R28, SR32, R32, SR35, SR38, R38, and T35. Available in diameters ranging from 38mm to 127mm, these products are compatible with button bits, cross bits, and reaming tools.
Product Specifications & Visuals
| Button Bit Specifications |
Gauge Carbide |
Front Carbide |
Dimensions D |
Flushing Hole |
| [No.] |
[mm] |
[No.] |
[mm] |
[mm] |
[in] |
Front |
Side |
| R28-36 |
5 |
8 |
2 |
7 |
36 |
1 13/32" |
1 |
3 |
| R28-38 |
5 |
8 |
2 |
8 |
38 |
1 1/2" |
1 |
3 |
| R28-41 |
5 |
9 |
2 |
9 |
41 |
1 5/8" |
1 |
1 |
| R32-45 |
5 |
10 |
2 |
9 |
45 |
1 3/4" |
1 |
1 |
| R32-51 |
6 |
10 |
3 |
9.5 |
51 |
2" |
3 |
1 |
Our thread button bits are manufactured using high-quality alloy steel bars and premium tungsten carbide inserts. Through specialized heat treatment processes, these tools withstand the toughest rock drilling demands, transmitting intensive impact energy into the rock with minimal energy loss.
Popular models widely welcomed by global clients include: BIT R28 37mm, R28 38mm, R32 45mm, R32 48mm, and Drill BIT R32 51mm, along with our Retrac and Button Bit series.
Frequently Asked Questions
What applications are KAT R28/SR28 drill bits suitable for?
These bits are ideal for construction drilling, drifting, tunneling, bolting, and underground long hole drilling.
Which thread types are available in your product line?
We offer 11 standard threads: SR22, SR25, R25, SR28, R28, SR32, R32, SR35, SR38, R38, and T35.
What is the diameter range of KAT drilling bits?
The diameters range from 38mm up to 127mm to meet various project requirements.
How does the heat treatment benefit the drill bits?
The heat treatment ensures the bits can withstand high impact and tough rock conditions while minimizing energy loss during drilling.
Are these bits compatible with other drilling accessories?
Yes, they are designed to be used effectively with button bits, cross bits, and reaming products.
What materials are used for the button bits?
They are made from high-quality alloy steel bars and superior tungsten carbide for maximum durability.
KAT DRILLING
