Internal Threading Tools | McMaster-Carr

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3,879 Products

Fabricating and Machining

Lathe Tools

Remove material from workpieces as they rotate on a lathe

Taps

Cut internal threads for fasteners, pipe, conduit, and more

Tap Extensions

Extend the length of your tap to cut in hard-to-reach areas

Tap Wrenches

Pair with square-shank taps to turn them by hand

Tap Holders

Connect taps to ratchet wrenches, drill presses, or milling machines

Tap Extractors

Grip the flutes on a broken tap to remove it without damaging the surrounding threads

Thread Repair Tools

Thread Repair Tools

Restore lengths of rusted and damaged threads on screws, pipe, or conduit

Thread-Repairing Files

Thread-Repairing Files

Spot fix rusted and damaged threads along screws, pipe, or conduit

Tap, Die, and Thread File Kits

Tap, Die, and Thread File Kits

Repair internal and external threads in a range of sizes

Thread Mills

Install in a CNC machine to cut a range of internal and external threads with a single tool

Tapped Hole Chip Retrievers

Tapped Hole Chip Retrievers

Insert into a tapped hole and pull out to remove chips

Tap, Die, and Drill Bit Kits

Tap, Die, and Drill Bit Kits

Cut and repair internal and external threads and drill holes in many different sizes

Tap and Die Kits

Tap and Die Kits

Cut and repair internal and external threads in many sizes

Tap and Die Wrench Kits

Tap and Die Wrench Kits

Switch between internal and external threading with interchangeable tap and die adapters

Tap and Drill Bit Kits

Tap and Drill Bit Kits

Drill holes and cut internal threads in a variety of sizes

Drill Bits

Create holes in metal, wood, plastic, concrete, and more

Fastening and Joining

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Fluid Handling

Pressurized Pipe Tapping Kits

Pressurized Pipe Tapping Kits

Include the tools you need to add a new line without having to shut down your piping system

Containers, Storage, and Furniture

Tap and Drill Bit Stands

Tap and Drill Bit Stands

Organize taps and drill bits by size

Cabinets

Store objects on enclosed shelves

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)