4-40 Taps | McMaster-Carr

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System of Measurement

Thread Size

For Use On

Stainless Steel

Chamfer Type

For Hole Type

Flute Type

Thread Type

Sold As

Number of Flutes

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 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 4-40, 6-32, 8-32, 10-24, 10-32, and 1/4"-20

Material

18-8 Stainless Steel

Application

Finish

Chromium Carbide (CrC) Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Carbon Nitride (TiCN) Coated

Titanium Nitride (TiN) Coated

Thread Length

Component

Thread Direction

Maximum Tapping Depth

Number of Pieces

Shank Type

Pitch Diameter Limit

Die Sizes Included

Overall Length

REACH

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

DFARS Specialty Metals

How can we improve?

74 Products

Fabricating and Machining

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, 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

Tap and Drill Bit Sets

Tap and Drill Bit Sets

Drill holes and cut internal threads in a variety of sizes

Drill Taps

Drill and thread holes with the same bit

Fastening and Joining

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Locknuts

Hold fasteners in place to prevent loosening from vibration

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