Crafted with the highest standards, our file hard liners are manufactured using premium materials and cutting-edge technology. This ensures that each liner is robust, reliable, and built to last in the most demanding drilling environments.
Our liners are designed with meticulous attention to detail, providing a perfect fit and smooth operation every time, making our file hard liners the best choice for operations that demand uncompromising strength.
Features
● Shoulder-on-hull design to prevent sleeve slippage.
● The bore is carbonized and quenched.
● Chrome-plated bore available.
● Rated for all drilling operations up to 5,000 Psi.
● Other sizes available depending on the model.
Technical specification data
Material
Hardness (HRC)
Max pressure
Max temperature
Life expectancy
pH (Normal)
Hydrogen sulfide (Max ppm)
Size
AISI 1045
58-62
5,000
230°F
From 600 to 800 hours.
7.5 – 10.2
22
4-1/2” – 7”