1/4"-28 Bushings | McMaster-Carr

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System of Measurement

Thread Size

Material

Stainless Steel

Pipe Size

Construction

OD

Thread Type

UN/UNF (SAE Straight)

ID

Threaded Insert Type

Fitting Type

Reducing Adapter

For Tap Thread Size

Shaft Diameter

Installed Length

Less than 0.25"

0.25" to 0.499"

Clamping Screw Material

Stainless Steel

Nut Type

Width

Finish

Dry Film Lubricated

Phosphate Coated

Tin Zinc Plated

Zinc Yellow-Chromate Plated

DFARS Specialty Metals

Shape

Thread Direction

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

REACH

For Use In

Gender

Shaft Type

Acme Lead Screw

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230 Products

Fluid Handling

Pipe Collars

Clamp pipe passing through floors and walls

Pipe Fittings

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

Fastening and Joining

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Rivet-Mount Nuts

Rivet-Mount Nuts

Add threads in hard-to-reach areas and materials that are too thin to be tapped

Adhesive-Mount Nuts

Adhesive-Mount Nuts

Attach threads to material that’s too thin for a threaded insert

Weld Nuts

Weld to metal surfaces to add permanent 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

Building and Machinery Hardware

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

Adjustable Handles

Adjustable Handles

Lift and turn to easily position and tighten components; also called clamping handles

Power Transmission

Lead Screw Collars

Lead Screw Collars

Position components and limit travel along a lead screw

Shaft Collars

Hold and position parts on a shaft, or limit shaft movement

Fabricating and Machining

Fixture Clamps

Secure your workpiece to a fixture table so it won't move during machining

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