Tornado
Open-flight reamer for clay, hardpan and shale where mixing and carrying cuttings matter.
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Built to get it done
Reamers matched to the ground.
Genuine Melfred Borzall HDD reamers selected around formation, bore diameter, rig capability and pullback requirements.
Explore the rangeMain reamer range
Seven proven reamer families.
Use the ground guide as a practical starting point. Final selection should account for rig size, pilot path, product size, bore length and the real formation on site.
Turbo
Fast, efficient reaming for dirt, sand and softer formations, with strong material movement.
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Shredder
Aggressive cutting action for sandstone, shale, caliche and compacted formations.
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Sabertooth
Durable hard-ground cutter for sandstone and shale with mixed-ground capability.
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Hedgehog
Compact cutting profile for dirt and shale, with dependable performance across varied ground.
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Juggernaut
Heavy-duty configurable reamer for dirt, gravel and abrasive mixed formations.
Discuss this reamer →Ground guide
Best. Better. Good.
The guide below uses the approved Borzall formation ratings. Each product card carries its exact rating in a compact, mobile-readable format.
BestPrimary formations where the tool is designed to excel.
BetterStrong secondary applications with appropriate setup.
GoodUsable supporting applications subject to site conditions.
Specialist / related tooling
Supporting reaming tools.
Junior Tornado Blade Reamer
Compact blade-style tooling for smaller-bore work and controlled material movement.
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Barrel Stabilizer
Related tooling used to help stabilise and support the reaming assembly where the bore plan and ground call for it.
Discuss the correct setup →Application support
Which reamer fits your bore?
Send TA Drilling your rig, pilot size, target diameter and ground information for a practical tooling recommendation.
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