Steel Thread Protector Caps | McMaster-Carr

Filter by

Material

Stainless Steel

Thread Size

Nut Type

Cap Nut Profile

System of Measurement

Height

Finish

Corrosion-Resistant Coated

Thread Depth

Width

Thread Type

ID

Shape

Locking Type

Distorted Thread

Color

Length

Drive Style

External Square

Thread Spacing

Fastener Strength Grade/Class

Pipe Size

Performance

Corrosion Resistant

Metal Detectable

Vibration Resistant

X-Ray Detectable

DFARS Specialty Metals

Thread Pitch

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

OD

How can we improve?

543 Products

Fastening and Joining

Cap Nuts

Cover and protect threads while adding a finished look; also known as acorn nuts

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Press-Fit Nuts

Push into drilled or punched holes to add threads to thin panels

Standoff Caps

Create a finished look on standoffs and protect them from dirt and debris

Socket Head Screws

Socket Head Screws

With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold

Building and Machinery Hardware

Protective Caps

Protective Caps

Protect just about anything, including pipe, flanges, screws, and posts

Protective Plugs

Protective Plugs

Insert into holes in pipe, containers, panels, and parts to keep out debris

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