Special Thread Taps | McMaster-Carr

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For Use On

Chamfer Type

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Flute Type

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Number of Flutes

Sold As

Material

Finish

Aluminum Titanium Nitride (AlTiN) Coated

Black Oxide

Chromium Carbide (CrC) Coated

Gold Oxide

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Carbon Nitride (TiCN) Coated

Titanium Nitride (TiN) Coated

Shank Type

Maximum Tapping Depth

For Hole Type

Drill Bit Size

Overall Length

Pitch Diameter Limit

Thread Length

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 4-40, 6-32, 8-32, 10-24, 10-32, 1/4"-20, 5/16"-18, 3/8"-16, 1/2"-13, and 5/8"-11

1 each of sizes M3 × 0.5 mm, M4 × 0.7 mm, M5 × 0.8 mm, M6 × 1.0 mm, M8 × 1.25 mm, and M10 × 1.5 mm

Number of Tapping Ends

REACH

RoHS

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

Pipe Size

3,533 Products

Taps

For Fastener Threads

Taps

Cut threads into holes in most metals and plastic so screws, bolts, and rods fit snugly

1,599 products

Chip-Clearing Taps

Remove long, stringy chips to produce cleaner threads than standard taps

418 products

Chip-Clearing Taps for Steel and Stainless Steel

Made of a high-vanadium alloy for hardness and wear resistance

99 products

Chip-Clearing Taps for Aluminum, Brass, and Bronze

Long, gummy strands from soft metals won’t get stuck on the tap or in the hole

47 products

Chip-Clearing Taps for Titanium

Cut through tough titanium alloys while reducing heat and preventing clogs

40 products

Chip-Clearing Taps for Nickel

Avoid heat buildup that can deform material and prematurely wear taps when threading nickel alloys

83 products

Chip-Free Taps

Press instead of cut threads for zero chips to slow you down or damage the tap

82 products

Long-Reach Taps

Thread holes that are hard to access or where obstructions make it difficult to turn a tap wrench

101 products

Long-Reach Chip-Clearing Taps

Push out chips while threading holes that are hard to reach or obstructed

25 products

Left-Hand Thread Taps

Create left-hand threads that prevent counter-clockwise rotating parts from loosening

231 products

Left-Hand Thread Chip-Clearing Taps

Prevent chip buildup when creating left-hand threads for counter-clockwise rotating parts

45 products

Oversized Taps

Prepare for plating and heat treating by cutting slightly oversized threads

23 products

Oversized Chip-Clearing Taps

Get chips out of the way as you cut slightly oversized threads for plating and heat treating

23 products

Miniature Taps

Our tiniest taps cut threads in electronics and small precision instruments

13 products

Hex-Bit Taps

No tap wrench needed—just snap into a bit screwdriver

14 products

2-in-1 Taps

Start threading a hole with one end of these taps and finish it with the other

11 products

Tap Sets

A variety of taps for threading holes so screws, bolts, and rods fit snugly

297 products

Chip-Clearing Tap Sets

A range of sizes that remove chips so they don’t ruin the threads or jam the tap

2 products

Left-Hand Thread Tap Sets

A variety of taps to create a snug fit with left-hand fasteners

57 products

Hex-Bit Tap Sets

A range of tap sizes that snap into a bit screwdriver

1 product

For Pipe and Conduit Threads

Pipe and Conduit Taps

Add internal threads to pipe and conduit or components such as manifolds

154 products

Chip-Clearing Pipe and Conduit Taps

Prevent buildup that can ruin threads and keep pipe and conduit from making strong connections

15 products

Chip-Clearing Pipe and Conduit Taps for Steel and Stainless Steel

Made of a high-vanadium alloy for hardness and wear resistance

24 products

Chip-Clearing Pipe and Conduit Taps for Aluminum, Brass, and Bronze

Grab and remove long chips from soft metals that can ruin threads and weaken connections

9 products

Long-Reach Pipe and Conduit Taps

Extend your reach and bypass obstructions to thread holes in pipe and conduit

10 products

Left-Hand Pipe and Conduit Taps

Make it easier to disconnect or join sections of pipe

8 products

2-in-1 Pipe and Conduit Taps

One tap threads holes in pipe and conduit from start to finish

5 products

Pipe and Conduit Tap Sets

A range of sizes for adding internal threads to pipe and conduit

5 products

For Acme and Trapezoidal Threads

Acme Thread Taps

Create the broad Acme threads found on lead screw nuts, linear actuators, and other moving components

23 products

Left-Hand Acme Thread Taps

Thread holes for left-hand Acme fasteners that secure counter-clockwise rotating parts

23 products

Trapezoidal Thread Taps

The metric version of Acme taps create the threads found on lead screw nuts and linear actuators

9 products

For Helical Inserts

Helical Insert Taps

Match the size of helical inserts so they fit tightly when installed

153 products

Left-Hand Thread Helical Insert Taps

Size holes for installing helical inserts that anchor left-hand bolts and rods

11 products

For Compressed Gas Connection Threads

Compressed Gas Connection Taps

Cut threads for natural gas cylinders and valves

2 products

For Coil Threads

Coil Thread Taps

Produce wide, shallow threads that permit quick assembly and are often used in concrete forming equipment

3 products

For Garden Hose Threads

Garden Hose Thread Taps

Create internal threads in valves, couplings, and other fittings for garden hose connections

1 product

For Spark Plug Threads

Spark Plug Taps

Repair damaged or worn threads in engines so spark plugs fit securely

3 products

Other Products

Thread Mills

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

29 products

Pressurized Pipe Tapping Kits

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

6 products

Drill Taps

Drill and thread holes with the same bit

108 products