1/4"-28 Taps | McMaster-Carr

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Thread Size

For Use On

Stainless Steel

Thread Type

System of Measurement

For Hole Type

Chamfer Type

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Tap Sizes Included

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 6-32, 6-40, 8-32, 8-36, 10-24, 10-32, 12-24, 12-28, 1/4"-20, 1/4"-28

1 each of sizes 6-40, 8-36, 10-24, 10-32, 1/4-28, 5/16-24, 3/8-24, 7/16-20, and 1/2-20

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

Component

Thread Direction

Die Sizes Included

Thread Pitch

Flute Type

Application

Maximum Tapping Depth

Number of Pieces

Shank Type

Shape

Material

18-8 Stainless Steel

Pipe Size

Width

Number of Flutes

REACH

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

DFARS Specialty Metals

How can we improve?

101 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 Thread File Sets

Tap, Die, and Thread File Sets

Repair internal and external threads in a range of sizes

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

Tapping Heads

Back out of a hole after tapping it without stopping your machine's motor

Fastening and Joining

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

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