Bolt Caps | McMaster-Carr

Filter by

Material

Stainless Steel

System of Measurement

Thread Size

Shape

Cap Type

Color

Screw Size

Inside Height

Nut Type

OD

0.111" to 0.177"

Nut Width

Profile Shape

Cap Nut Profile

Attachment Type

Pipe Size

Height

Flexibility

Head Diameter

Finish

Corrosion-Resistant Coated

Thread Depth

Thread Type

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

REACH

DFARS Specialty Metals

How can we improve?

749 Products

Protective Caps

Round Caps

Keep dust and coatings out of threads and prevent damage during shipping and storage

Tapered Caps

One cap fits a range of diameters

Hinged Caps for Screws

Hinged Caps for Screws

Flip open for frequent access to screws without misplacing the cap

Caps for Hex Nuts

Caps for Hex Nuts

Seal out moisture and dirt to prevent corrosion and buildup on threads

Snap-On Caps for Screws

Snap-On Caps for Screws

Conceal screw heads for a finished look that protects people and parts from getting snagged

Caps for Socket Head Screws

Caps for Socket Head Screws

Keep debris from clogging or damaging hex drives

Other Products

Cap Nuts

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

Knobs

Position, tighten, and secure fixtures and equipment

Protective Plugs

Protective Plugs

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

Standoff Caps

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

Die Spring Screw Caps

Die Spring Screw Caps

Brace springs and control tension in die sets while simplifying maintenance

Indicating Knobs

Indicating Knobs

Control devices and view settings at a glance

Socket Head Screws

Socket Head Screws

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

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