Thread Taps | McMaster-Carr

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System of Measurement

Thread Size

For Use On

Chamfer Type

Thread Pitch

Thread Type

Flute Type

Thread Direction

Right Hand and Left Hand

Sold As

Individual

Set

Number of Flutes

Application

For Hole Type

Material

Maximum Tapping Depth

Shank Type

Finish

Aluminum Titanium Nitride (AlTiN) Coated

Black Oxide

Chromium Carbide (CrC) Coated

Gold Oxide

Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Carbon Nitride (TiCN) Coated

Titanium Nitride (TiN) Coated

Uncoated

Tap Sizes Included

0-80

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

Drill Bit Size

Component

Overall Length

Pitch Diameter Limit

Thread Length

REACH

RoHS

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

3,814 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

Tap Sets

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

297 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

Left-Hand Thread Tap Sets

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

57 products

Miniature Taps

Our tiniest taps cut threads in electronics and small precision instruments

13 products

Long-Reach Taps

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

101 products

Chip-Free Taps

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

82 products

Left-Hand Thread Taps

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

231 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 Tap Sets

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

4 products

Oversized Chip-Clearing Taps

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

23 products

Hex-Bit Taps

No tap wrench needed—just snap into a bit screwdriver

14 products

Hex-Bit Tap Sets

A range of tap sizes that snap into a bit screwdriver

1 product

Chip-Clearing Taps for Titanium

Cut through tough titanium alloys while reducing heat and preventing clogs

40 products

Long-Reach Chip-Clearing Taps

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

25 products

Oversized Taps

Prepare for plating and heat treating by cutting slightly oversized threads

23 products

Chip-Clearing Taps for Nickel

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

83 products

Left-Hand Thread Chip-Clearing Taps

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

45 products

2-in-1 Taps

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

11 products

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 for Steel and Stainless Steel

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

24 products

Pipe and Conduit Tap Sets

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

5 products

2-in-1 Pipe and Conduit Taps

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

5 products

Chip-Clearing Pipe and Conduit Taps

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

15 products

Long-Reach Pipe and Conduit Taps

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

10 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

Left-Hand Pipe and Conduit Taps

Make it easier to disconnect or join sections of pipe

8 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

Trapezoidal Thread Taps

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

9 products

Left-Hand Acme Thread Taps

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

23 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 Garden Hose Threads

Garden Hose Thread Taps

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

1 product

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 Spark Plug Threads

Spark Plug Taps

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

3 products

For Compressed Gas Connection Threads

Compressed Gas Connection Taps

Cut threads for natural gas cylinders and valves

2 products

Other Products

Tap and Die Sets

Cut and repair internal and external threads in many sizes

15 products

Tap, Die, and Thread File Sets

Repair internal and external threads in a range of sizes

1 product

Tap, Die, and Drill Bit Sets

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

1 product

Tap and Drill Bit Sets

Drill holes and cut internal threads in a variety of sizes

16 products

Drill Taps

Drill and thread holes with the same bit

111 products

Thread Mills

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

22 products

Thread Repair Tools

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

27 products

Tap and Die Wrench Sets

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

4 products

Threaded Inserts

Create new threads or repair stripped threads

202 products

Thread-Repairing Files

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

16 products

Screw Hole Starters

Mark, start, and thread screw holes into wood and other nonmetal materials

1 product

Pressurized Pipe Tapping Kits

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

6 products