Flat Concave Convex Drop Center Bit Face DTH Button Bits for Big Diameter Hole Drilling
| Place of Origin: | Hebei |
|---|
Company Profile
| Location: | Beijing, China (Mainland) |
|---|---|
| Business Type: | Manufacturer |
| Main Products: | Water Well Drilling Rig, DTH Drilling Rig, Anchor Drilling Rig |
Product Detail
| Model No.: | 5inch high pressure |
|---|
Product Description
Flat Concave Convex Drop Center Bit Face DTH Button Bits for Big Diameter Hole Drilling
5'' DTH hammer button bits with Flat, Concave , Convex , Drop Center bit face for big diameter hole drilling
Introduction
DTH Drill Button Bits are produced from premium quality nickel-alloy steel for increased durability and wear characteristics. Specific heat treatment standards and special “stress relief” processes ensure consistent performance.
DTH hammer bits are designed for maximum performance and hole cleaning ability and high penetration rate.
We can design and manufacture according to customer's requirement of the down the hole bits Diameter,No. air holes,carbide button shape and the face shape.
Specification
| Drill Bits |
Bit Dia. (mm) |
No.Air Holes | Gauge Buttons |
Front Buttons |
Weight (kg) |
Parts No. |
|
DHD350R,COP54
|
135 | 2 | 7×18 | 6×14 | 15.0 | HD55-135 |
| 140 | 2 | 7×18 | 7×14 | 16.0 | HD55-140 | |
| 146 | 2 | 7×18 | 7×14 | 17.0 | HD55-146 | |
| 152 | 2 | 8×18 | 8×14 | 17.5 | HD55-152 | |
| 165 | 2 | 8×18 | 8×16 | 18.5 | HD55-165 | |
|
SD5
|
135 | 2 | 7×18 | 6×14 | 15.5 | SD5-135 |
| 140 |
|
