Product Description
The button bit has higher technical content, longer drilling time
and higher drilling efficiency. button bit has large bearing
capacity, good wear resistance and fast drilling speed. According
to the different carbide teeth, the tooth shape can be divided into
hemispherical, conical and parabolic buckles and other types.
It is made of high-quality steel raw materials through quenching
and tempering treatment to improve the hardness and toughness of
the product. It is widely used in granite and marble quarries, gold
mines, railways, tunnels, etc., suitable for fixed (short hole) and
blasting drilling systems. High cost performance. The delivery is
timely, and the design, product quantity and button quantity can be
delivered according to customer requirements.
About our Products
1.All button bits raw material produced.
2.Simple structure and not broken easily
3.Hole straightness, high speed and deep hole drilling
4.Good flushing effect to ensure high drilling rate
A comprehensive range of various button bits shown as below:
Product Name: R32 Drill Bits
Thread type: R32
Head diameters: 41mm ~ 76mm
Face designs; flat face,
Carbide shape: Dome, Ballistic , Semi-Ballistic,
Skirt designs: Standard, Retrac
Specification of button bit:
| Thread | Diameter range | Skirt Design | Face Design | Button Design |
| R22 | 35 – 45mm | Normal | Flat Face
Drop Centre | Hemispherical
Ballistic |
| R25 | 33 – 57mm | Normal | Flat Face
Drop Centre | Hemispherical
Ballistic |
| R28 | 36 – 51mm | Normal | Flat Face
Drop Centre | Hemispherical
Ballistic |
| R32 | 41 – 89mm | Normal
Retrac | Flat Face
Drop Centre | Hemispherical
Ballistic
Conical |
| R35 | 48 – 51mm | Normal
Retrac | Flat Face
Drop Centre | Hemispherical
Ballistic
Conical |
| R38 | 64 – 102mm | Normal
Retrac | Flat Face
Drop Centre | Hemispherical
Ballistic
Conical |
| T38 | 57 – 102mm | Normal
Retrac | Flat Face
Drop Centre | Hemispherical
Ballistic
Conical |
| T45 | 70 – 127mm | Normal
Retrac | Flat Face
Drop Centre | Hemispherical
Ballistic
Conical |
| T51 | 76 – 140mm | Normal
Retrac | Flat Face
Drop Centre | Hemispherical
Ballistic
Conical |
| T60 | 89 – 140mm | Normal
Retrac | Flat Face
Drop Centre | Hemispherical
Ballistic
Conical |
| ST58 | 89 – 140mm | Normal
Retrac | Flat Face
Drop Centre | Hemispherical
Ballistic
Conical |
| GT60 | 93 – 140mm | Normal
Retrac | Flat Face
Drop Centre | Hemispherical
Ballistic
Conical |
| ST68 | 102 – 152mm | Normal
Retrac | Flat Face
Drop Centre | Hemispherical
Ballistic
Conical |
