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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.

Replaceable rubber piston
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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”

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