4-40 Taps | McMaster-Carr

Filter by

System of Measurement

Thread Size

For Use On

Chamfer Type

Flute Type

Thread Type

Tap Sizes Included

Number of Flutes

Sold As

Application

Component

Shank Type

Number of Pieces

Material

Pitch Diameter Limit

Die Sizes Included

For Hole Type

Thread Length

Thread Direction

Maximum Tapping Depth

Thread Pitch

Finish

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

RoHS

How can we improve?

66 Products

Fabricating and Machining

Taps

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

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.)