The Fastest, Most Versatile, Thread Repair Kit Available. Nothing Compares.

Quickly and easily fix inch, metric, & pipe:
Inside & Outside, Rolled, Crossed, Dinged, Dented, Painted, Corroded, & Hardened Threads.​

Tools for every aspect of work

Same tool, different projects.

Industrial Projects

Technical Projects

Automotive Restoration

DIY Projects

DIY Projects

Farm & Ranch Projects

Why it works

All inch, metric, and pipe threads have the same 60 degree “V” angle.
Rotary Thread’s patented tool profile has the same angle, working one thread at a time. Forget about measuring the thread pitch. This allows the tool to quickly work on any project, inside or outside threads.

Simple to Use

great use for

home projects



farm & ranch




TapDieManual Thread FileThread Plow Outside Thread ToolThread Plow Inside Thread ToolRT Industrial Master Kit
Thread & Profile Types
Square Threads
Snap-Ring Groove
Glands & Ports
Operational Features
Male (outside)
Female (inside)
Number of Pitches it can restore/tool1184 to 28 TPI (within range) dependant on model4 to 28 TPI (within range) dependant on modelNo Limit
Made to Restore Threads
Relative Time for Typical Repair5-10 min.5-10 min12 min - several hours8 min - 30 min8 min - 30 min1 min
Power TransmissionManualManualManualManualManualPower Tool Driven
Effort Required for RepairEasy - HardEasy - HardHardEasy - MediumEasy - MediumEasy
Inside Dia. Range Thread1/16" - 3" approx---5/16" - 4 1/4" 7/16" - No Limit
Outside Dia. Range Thread-1/4" - 3 approxNo Limit5/32" - 6"- No Limit
Recommended SpeedHands SpeedHands SpeedHands SpeedHands SpeedHands Speed200 to 12k RPM (recommended)
Can restore a threaded shaft with keyway
Threaded Lock Collars
Doesn't require a separate tool per size
Risk Involved
Broken OffYESYES
CrossingYESYESYESYESIf held in one spot

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