Rock Tools

Less talk, more drilling rock.

When you have to cut through a rock-solid wall, you need proven performance, not flimsy claims. Our rock tools set the standard for the HDD industry, starting with the legendary Melfred Borzall Eagle Claw, the go-to rock bit for experienced drillers who don’t mess around. Our entire line of rock tools are engineered to make you unstoppable.



Iron Fist Cobble Bit

Challenging cobble bore? Not anymore. The Iron Fist packs a major punch in cobble and loose rock conditions and is designed to be easily and inexpensively rebuilt, reducing your tooling costs. Bam.

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Eagle Claws

The Melfred Borzall Eagle Claw is the fastest drilling, best steering and most durable hard soil drill bit on the market. The end. Straight-thru cutter knockout holes, MudBoost ports, built-in check valve and wrench flats make the Eagle Claw the most productive HDD rock bit you can buy.

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Rock-It Mud Motors

Get more power. Use less fluid. Rock-It Mud Motors convert drill fluid pressure into maximum torque so you get more drilling time before stopping for maintenance. It’s not magic. It’s just Melfred Borzall engineering.

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Tri-Cone Rock Bits

Not even solid rock can stand up to our rock bits, built to handle up to 30,000 psi. If at first you don’t succeed…you’re not using our Tri-Cone Rock Bit.

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End-Load, High-Flow Transmitter Housings

Use these puppies with Mud Motors, Borzall Eagle Claw & Iron Fist bits & bolt-on bit bodies. They come in sizes to accommodate rigs from 20,000 to 300,000 lbs. pullback.

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A Location near you

We know when you need the right tool you need it at the right time. Which is why we have distributors all over the US and the globe—to get you what you need as soon as you need it. Use our Find a Distributor tool to find the closest distributor to you.

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We’re committed to helping directional drillers remain productive and profitable. Our knowledgeable sales staff are here to answer all your “boring” questions and get you the right tools for the job . . .the first time.