1/4"-20 Bushings | McMaster-Carr

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System of Measurement

Thread Size

Material

Grade L5 Ceramic

Stainless Steel

Length

Height

OD

Nut Type

Externally Threaded

Threaded Insert Type

Mount Type

Threaded Insert

For Use In

Thread Length

Diameter

Gender

Shape

Thread Type

UN/UNF (SAE Straight)

For Material Thickness

0.01" to 0.165"

0.015" to 0.094"

0.015" to 0.643"

0.016" to 0.188"

0.020" to 0.079"

0.020" to 0.080"

0.020" to 0.085"

0.020" to 0.118"

0.020" to 0.280"

0.02" to 0.165"

0.027" to 0.150"

0.027" to 0.165"

0.031" to 0.187"

End Type

Installed Length

Less than 0.25"

0.25" to 0.499"

10 mm to 19.9 mm

ID

Finish

Dry Film Lubricated

Neoprene Coated

Nickel Chrome Plated

Phosphate Coated

Tin Zinc Plated

Zinc Yellow-Chromate Plated

Shaft Diameter

Hardness

Durometer 50 OO

Durometer 70 OO

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

How can we improve?

1,037 Products

Fastening and Joining

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

Weld Nuts

Weld to metal surfaces to add permanent threads

Screw-Mount Nuts

Screw-Mount Nuts

Mount with screws, rivets, and nails to add threads to a surface

Adhesive-Mount Nuts

Adhesive-Mount Nuts

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

Standoffs

Threaded to separate or connect parts as well as position components in assemblies

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Anchors

Secure anything from signs to heavy machinery in concrete, brick, and drywall

Socket Nuts

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

Anchor Installation Tools

Anchor Installation Tools

Drive with a hammer to expand and secure anchors in place

Building and Machinery Hardware

Vibration-Damping Mounts

Vibration-Damping Mounts

Attach to machinery to reduce vibration and noise and extend service life

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

Fabricating and Machining

Alignment Locks

Alignment Locks

Precisely align your mold halves

Power Transmission

Shaft Collars

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

Hydraulic Cylinders

Hydraulic Cylinders

Push and pull heavy loads to operate forklifts, compactors, and other machinery

Shaft Couplings

Shaft Couplings

Connect two shafts to transfer rotary motion from one to the other

Lead Screws and Nuts

Lead Screws and Nuts

Components travel along a screw with broad, square threads to clamp and lift heavy loads

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