KAT DRILLING
1 / 2
Drifting and tunnelling tools include rods, shank adapters, couplings and bits. We provide a comprehensive range of rock drilling tools designed to withstand the toughest drilling conditions.
We have mainly 11 threads: SR22, SR25, R25, SR28, R28, SR32, R32, SR38, R38 and T35. With a diameter range of 38-127mm, they can be perfectly used with button bits, cross bits and reaming products.
The drill bit body is made of high-quality 50R61 steel for maximum durability.
Equipped with YK05 or T6 carbide for superior penetration and wear resistance.
Advanced manufacturing allows for a productivity of 50,000pcs per month.
R22/SR22 Thread Button bit technical data and dimensions:
| Button bit | Carbide dimension | Dimensions D | Flushing hole | |||||
|---|---|---|---|---|---|---|---|---|
| Gauge | Front | [mm] | [in] | Front | Side | |||
| [No.] | [mm] | [No.] | [mm] | |||||
| Type 32 | 5 | 7 | 2 | 7 | 32 | 1 1/4″ | 1 | 1 |
| Type 32S | 5 | 7 | 2 | 7 | 32 | 1 1/4″ | 1 | 1 |
| Type 34 | 5 | 8 | 2 | 7 | 34 | 1 11/32″ | 1 | 1 |
| Type 34S | 5 | 8 | 2 | 7 | 34 | 1 11/32″ | 1 | 1 |
| Type 35 | 5 | 8 | 2 | 7 | 35 | 1 3/8″ | 1 | 1 |
| Type 38 | 5 | 9 | 2 | 7 | 38 | 1 1/2″ | 1 | 1 |
| Type 41 | 5 | 9 | 2 | 9 | 41 | 1 5/8″ | 1 | 1 |
| Type 43 | 5 | 9.5 | 2 | 8 | 43 | 1 11/16″ | 1 | 1 |
| Type 45 | 5 | 10 | 2 | 9 | 45 | 1 3/4″ | 1 | 1 |
All button bits and drilling tools are carefully packed in wooden cases or cartons to ensure they reach their destination in perfect condition, suitable for international long-distance transportation.
