1/4"-28 Reducers | McMaster-Carr

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System of Measurement

Material

Stainless Steel

Gender

Thread Type

UN/UNF (SAE Straight)

Hex Length

Fitting Type

Reducing Adapter

Threaded Insert Type

Thread Length

For Adapting

Shape

Pipe Size

For Tap Thread Size

Hex Size

Installed Length

Less than 0.25"

0.25" to 0.499"

Export Control Classification Number (ECCN)

DFARS Specialty Metals

REACH

RoHS

Compliant with Exemptions

Specifications Met

Tensile Strength

40,000 psi to 49,999 psi

50,000 psi to 99,999 psi

100,000 psi or greater

Thread Fit

Metric Class 6g

Metric Class 6H

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Unified Standard Class 3B

Length

Drive Style

Hardness

For Use In

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268 Products

Fastening and Joining

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Rivet Nuts

Add threads to thin panels with access from only one side; also known as blind inserts

Socket Nuts

Install in recessed holes and tight spots where a wrench won’t fit; also known as Allen nuts

Fluid Handling

Pipe Fittings

Form threaded, barbed, flanged, and other types of connections between lengths of pipe

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