[PT]
Used in the extension rod connection, its function is to transmit the impact energy from the rock drill piston, as well as the rotational torque, to the drill string with the minimum possible losses.
It must withstand and transmit up to 6300 piston strokes per minute continuously, with great strength and reliability.
Connection: T51
Quality: B
[EN]
Used in extension rod connection, its function is to transmit impact energy from the rock-drill piston, as well as the rotation torque, into the drill string with minimum possible losses.
It must withstand and transmit up to 6300 blows per minute from the piston continuously, with great endurance and reliability.
Connection: T51
Quality: B
