Rock Drill Oil

Percussion drills throw a piston at a shank thousands of times a minute, and the film of oil carried in the air line is the only thing between those parts. Rock drill oil is built to cling under that impact and to carry the anti-wear, corrosion and extreme-pressure additives ordinary air tool oil does not. CP Genoil pneumatic rock drill oil comes in a 1.32 gal (5 L) jug, and a vegetable-based eco-friendly grade covers mining and quarry work near water. In winter, anti-icing oil keeps rock drills running frost free to -20°F. Meter it through an in-line oiler, and see the wider range of compressor and tool oils. Ships from Denver.

Showing all 5 resultsSorted by popularity

Showing all 5 resultsSorted by popularity

What Rock Drill Oil Has to Do

A rock drill oil is a percussion oil first. It has to hold a film on the piston and chuck through repeated hammer blows, resist wash-off from flushing air and water, and stop rust in a wet heading. The additive package does that: anti-wear agents for the sliding surfaces, corrosion inhibitors, and extreme-pressure additives that survive shock loading. Eco-friendly grades use vegetable base stocks where drilling runs near water.

Cold Weather and Anti-Icing

Compressed air carries moisture, and when it expands through a drill in winter that moisture freezes at the exhaust and the tool stalls. Anti-icing lube is a fully synthetic air-line oil that replaces standard oil in cold conditions and keeps drills, rivet busters, grinders and impact tools frost free down to -20°F. It needs no extra equipment and works in existing constant-feed lubricators.

Oils and Compounds on This Page

Four lubricants and one thread compound, sorted by what each one protects.

ProductTypePack
CP Genoil rock drill oilMineral with anti-wear, corrosion and EP additives1.32 gal (5 L)
Pneumatic tool and rock drill oilGeneral percussion oil for rotary, percussive and stoper drillsSee product page
Eco-friendly rock drill oilVegetable base stock, reduced toxicitySee product page
RDO anti-icing oil100% synthetic air-line lube, frost free to -20°F1 gal
Eco-Safe thread compoundMetal-free, water resistant, -20°F to 500°F2 gal

Pick the oil for the season and the ground, then the pack size for how much drilling you are doing.

Common Questions

What is rock drill oil? A heavy, tacky air-line lubricant made for percussion drills. It clings to the piston and chuck under hammer impact and carries anti-wear, anti-corrosion and extreme-pressure additives. Standard air tool oil is thinner and washes off a jackleg or sinker drill too quickly.

Which viscosity grade do I need, 100 or 320? Rock drill oils are specified by ISO viscosity grade and crews ask for both, generally lighter for cold weather and heavier for hot, hard drilling. Grade and pack size are listed on each product page — call the counter if you need one that is not shown.

Do I need thread compound on drill steel? On threaded strings, yes. Eco-Safe non-metallic compound is entirely metal-free, resists water wash-off and works from -20°F to 500°F, keeping couplings and drill steel adapters from seizing and galling.

Where can I get rock drill oil? It ships from our Denver warehouse nationwide. Order it alongside your drill steel and bits and a fresh line oiler.

How quickly do these ship? Orders for in-stock rock drill oil item placed by 4 PM Eastern ship the same day from our Denver warehouse. Stock varies by size, so confirm with us before ordering if you’re working to a deadline.