Internal Threading Tools | McMaster-Carr

Filter by

Thread Size

For Use On

Stainless Steel

Chamfer Type

System of Measurement

Thread Direction

Right Hand and Left Hand

Thread Pitch

Flute Type

Thread Type

Metric Trapezoidal

Number of Flutes

Sold As

Material

18-8 Stainless Steel

Shank Type

Application

Thread Repairing

Finish

Aluminum Titanium Nitride (AlTiN) Coated

Chromium Carbide (CrC) Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Carbon Nitride (TiCN) Coated

Titanium Nitride (TiN) Coated

Cut Type

External Threading

Internal Grooving

Internal Threading

Overall Length

Maximum Tapping Depth

Drill Bit Size

For Hole Type

Pitch Diameter Limit

Thread Length

REACH

RoHS

Tap Sizes Included

0-80, 1-64, 1-72, 2-56, 2-64, 3-48, 3-56, 4-40, 4-48

1 each of sizes 0-80, 1-64, 1-72, 2-56, 2-64, 3-48, 3-56, 4-40, 4-48

1 each of sizes 1/4"-20, 1/4"-28, 5/16"-18, 5/16"-24, 3/8"-16, 3/8"-24, 7/16"-14, 7/16"-20, 1/2"-13, and 1/2"-20

1 each of sizes 1/4"-20, 5/16"-18, 3/8"-16, 7/16"-14, and 1/2"-13

Export Control Classification Number (ECCN)

DFARS Specialty Metals

How can we improve?

3,884 Products

Fabricating and Machining

Lathe Tools

Shape workpieces as they rotate on a lathe

Taps

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

Tap Extractors

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

Tap Wrenches

Pair with square-shank taps to turn them by hand

Tap Extensions

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

Tap Holders

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

Tap, Die, and Thread File Sets

Tap, Die, and Thread File Sets

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

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 Drill Bit Sets

Tap, Die, and Drill Bit Sets

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

Tap and Die Sets

Tap and Die Sets

Cut and repair internal and external threads in many sizes

Tapped Hole Chip Retrievers

Tapped Hole Chip Retrievers

Insert into a tapped hole and pull out to remove chips

Tap and Drill Bit Sets

Tap and Drill Bit Sets

Drill holes and cut internal threads in a variety of sizes

Tap and Die Wrench Sets

Tap and Die Wrench Sets

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

Drill Taps

Drill and thread holes with the same bit

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.)