Enclosure Fasteners | McMaster-Carr

	System of Measurement System of Measurement

Inch

Metric

	Thread Size Thread Size

	Length Length

	Head Type Head Type

	Material Material

	Threading Threading

Partially Threaded

Fully Threaded

	Drive Style Drive Style

	Head Texture Head Texture


Knurled	Smooth

	Head Diameter Head Diameter

	Head Height Head Height

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	Thread Type Thread Type

UNC

UNF

Metric

	Captive Panel Screw Type Captive Panel Screw Type

	Thread Length Thread Length

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

DFARS Specialty Metals
Compliant

	Thumb Screw Head Shape Thumb Screw Head Shape


Round	Wing

	Nut Type Nut Type


Press Fit	Clip On

Rivet Mount

	Thread Spacing Thread Spacing

Coarse

Fine

	Retainer Material Retainer Material

Stainless Steel

Plastic

	Size Size

	For Maximum Total Panel Thickness For Maximum Total Panel Thickness

	Specifications Met Specifications Met

446 Products

Captive Panel Screws

Socket Head Captive Panel Screws

Install these socket head screws through a hole and thread on a retainer to keep secure—no special tools are required.

Thumb-Screw-Head Captive Panel Screws

Install these thumb-screw-head screws through a hole and thread on a retainer to keep secure—no special tools are required.

Rounded Head Captive Panel Screws

Install these rounded head screws through a hole and thread on a retainer to keep secure—no special tools are required.

Rounded Head Quarter-Turn Captive
Panel Screws with Back Press-Fit Nut

Press these rounded head nuts into the backside of a panel in applications where you have access to both sides of the panel. A quarter-turn locks and releases access panels, doors, and covers.

Rounded Head Quarter-Turn Captive
Panel Screws with Front Press-Fit Nut

Press these rounded head nuts into a closed-end hole or thick panel in applications where the back of the panel is inaccessible. A quarter-turn locks and releases access panels, doors, and covers.

Wing Head Quarter-Turn Captive
Panel Screws with Back Press-Fit Nut

Press these wing head nuts into the backside of a panel in applications where you have access to both sides of the panel. A quarter-turn locks and releases access panels, doors, and covers.

Wing Head Quarter-Turn Captive
Panel Screws with Front Press-Fit Nut

Press these wing head nuts into a closed-end hole or thick panel in applications where the back of the panel is inaccessible. A quarter-turn locks and releases access panels, doors, and covers.

Rounded Head Quarter-Turn Captive
Panel Screws with Clip-On Nut

These rounded head screws have a nut that clips onto the edge of a thin panel, allowing you to mount the screw near edges. A quarter-turn locks and releases access panels, doors, and covers.

Wing Head Quarter-Turn Captive
Panel Screws with Clip-On Nut

These wing-head screws have a clip-on nut that allows you to mount them near the edge of a thin panel. Use them to lock and release access panels, doors, and covers with a quarter-turn.

Rounded Head Quarter-Turn Captive
Panel Screws with Rivet-Mount Nut

These rounded head nuts can be riveted into thin panels for a flush fit. They can be mounted without spaces between the panels. A quarter-turn locks and releases access panels, doors, and covers.

Wing Head Quarter-Turn Captive
Panel Screws with Rivet-Mount Nut

Rivet these wing head nuts into thin panels for a flush fit. They can be mounted without space between panels. A quarter-turn locks and releases access panels, doors, and covers.

Snap-In Captive Panel Screws

Snap these screws into panels up to 0.125" thick—no tools are required for installation.

Press-Fit Captive Panel Screws

Install in soft material such as aluminum and low-carbon steel at least 0.036" thick with an arbor press or similar pressure tool.

Flush-Mount Press-Fit Captive Panel Screws

These screws mount flush against the outer panel's surface for low-clearance applications.

Flare-In Captive Panel Screws

The base flares out during installation, creating a backside flange in hard materials and near edges in panels up to 0.312" thick. Install with a flare-in installation tool and an arbor press.

Push/Pull Captive Panel Screws

Push the plunger to secure and pull to release for quick access.

Vibration-Resistant Captive Panel Screws

An expanding rubber bushing damps vibration while holding panels together.

Retractable Long-Nose Spring Plungers

Twist-to-Lock Thread-In Captive-Panel
Retractable Spring Plungers

Lock the nose in the retracted position by pulling the knob and rotating it 90°.

Thread-In Captive-Panel Retractable Spring Plungers

Insert the nose into a panel; then thread on the nut and tighten using an installation wrench.

Twist-to-Lock Press-Fit Captive-Panel
Retractable Spring Plungers

Lock the nose in the retracted position by pulling the knob and rotating it 90°.

Press-Fit Captive-Panel Retractable Spring Plungers

Use an arbor press or similar pressure tool to install these spring plungers into a panel.

Outlet Boxes and Enclosures

Pole-Mounting Kits for Enclosures

These kits come with everything you need to mount enclosures to round poles or beams. They clamp on to a range of pole diameters to hold enclosures securely in place.

Fastener Kits for Enclosures

Mount components to your enclosure without worrying about leaks—these kits seal out water from washdowns, rain, and snow when used with enclosures rated NEMA 4X.

Floor Stands for Enclosures

Mount enclosures to the floor above hazards such as water.