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T38 Retrac Button Bits

Product: T38 button bit Size choose: 64mm, 70mm, 76mm, 89mm. Button tip inserts choose: Spherical button, hemispherical button, Parabolic button, Conical button, Ballistic button. Button tips qty choose: 9 button, 10 button, 12 button, 13 button, 14 button.

T38 retrac button bits

Button Bit diameter:45mm, 48mm, 51mm, 64mm, 70mm, 76mm, 89mm, 102mm, 115mm 
Thread: R25, R32, R38, T38, T45, T51 
Tungsten Carbide button bits 

Bit face shape selection:
1. Drop Center Bit
For high penetration rates in soft to medium hard and fissured rock formations. Low to medium air pressures. Maximum hole deviation control.
2. Concave Face
The all-round application bit face specifically for medium hard and homogenerous rock formations. Good hole deviation control and good flushing capacity.
3. Convex Face
For high penetration rates in soft to medium-hard with low to medium air pressures. It is the most resistance to steel wash, and may reduce the load and wear on the gauge buttons, but poor hole deviation control.
4. Double Gauge Face
This kind of face shape is suitable for fast penetration rates in medium to hard rock formations. Designed for high air pressures and good resistance to steel wash step gauge bit.
5. Flat Face Bit



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