R22/SR22 Button drill bit
Drifting and tunnelling tools include rods, shank adapters, couplings and bits.
We have mainly 11 threads: SR22,SR25,R25, SR28,R28,SR32,R32,SR38,R38 and T35. Diameter: 38-127mm,They can be used with button bits, cross bits and reaming products.
Advantages:
1. The drill bit body is made of 50R61 steel
2.The head carbide is YK05 or T6
3.Diameter:32mm-45mm
4.Package:in wooden case or in carton.
5.Productivity:50000pcs/ month
R22/SR22 Thread Button bit
Button bit |
Carbide dimension |
Dimensions D |
Flushing hole |
|||||
Gauge |
Front |
|||||||
[No.] |
[mm] |
[No.] |
[mm] |
[mm] |
[in] |
Front |
Side |
|
|
5 |
7 |
2 |
7 |
32 |
1 1/4″ |
1 |
1 |
5 |
7 |
2 |
7 |
32 |
1 1/4″ |
1 |
1 |
|
5 |
8 |
2 |
7 |
34 |
1 11/32″ |
1 |
1 |
|
5 |
8 |
2 |
7 |
34 |
1 11/32″ |
1 |
1 |
|
5 |
8 |
2 |
7 |
35 |
1 3/8″ |
1 |
1 |
|
5 |
9 |
2 |
7 |
38 |
1 1/2″ |
1 |
1 |
|
5 |
9 |
2 |
9 |
41 |
1 5/8″ |
1 |
1 |
|
5 |
9.5 |
2 |
8 |
43 |
1 11/16″ |
1 |
1 |
|
5 |
10 |
2 |
9 |
45 |
1 3/4″ |
1 |
1 |
|
