Auger twist drill rod

Auger drill rod thread twist drill rod for coal mining

Description

It can keep high drilling speed and drilling efficiency. Compared with traditional drilling technology, it can avoid torsion and bend stress efficiently and improve the drilling speed.

In addition, it has large advantages in coal digging which adopting serried hole drill and gas discharging. And it can discharge gas and overcome the stress at high speed to achieve the out burst proof and ensure the coal digging safety.

Type	Single thread and twist thread
Diameter	D26mm-D32mm
Thread	M16, M18, T16
Length	0.5m-3m