Captive Nuts | McMaster-Carr

	System of Measurement System of Measurement

Inch

Metric

	Thread Size Thread Size

	Material Material

Steel

Stainless Steel

	Finish Finish

Zinc Plated

Black Oxide

Tin Plated

Cadmium Yellow-Chromate
Plated

	For Minimum Panel Thickness For Minimum Panel Thickness

	Nut Type Nut Type


Press Fit	Hex

Locknut

	Press-Fit Head Shape Press-Fit Head Shape


Round	Hex

	PEM® Part Number PEM® Part Number

	Drill Bit Size Drill Bit Size

	Head Height Head Height

	For Slot Width For Slot Width

	Drill Bit Decimal Size Equivalent Drill Bit Decimal Size Equivalent

	Thread Type Thread Type

UNC

UNF

Metric

	Thread Pitch Thread Pitch

	Head OD Head OD

	Thread Fit Thread Fit

	Base Width Base Width

	Thread Spacing Thread Spacing

Coarse

Fine

	Threading Threading

Fully Threaded

Partially Threaded

	Height Height

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

DFARS Specialty Metals
COTS-Exempt

DFARS Specialty Metals
Compliant

	Base Height Base Height

	Overall Height Overall Height

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467 Products

About Nuts, Materials, and Finishes

Steel Press-Fit Nuts for Sheet Metal

Also known as clinch style captive nuts, press these nuts into a drilled or punched hole with an arbor press or similar pressure tool.

Metric Steel Press-Fit Nuts for Sheet Metal

Press these metric nuts into a drilled or punched hole with an arbor press or similar pressure tool.

Stainless Steel Press-Fit Nuts for Sheet Metal

These nuts have good chemical resistance and may be mildly magnetic.

Metric Stainless Steel Press-Fit Nuts for Sheet Metal

These metric nuts have good chemical resistance and may be mildly magnetic.

Flush-Mount Press-Fit Nuts for Sheet Metal

A flat hex head sits flush against the material surface for use in low-clearance applications.

Stainless Steel Aligning Press-Fit Nuts for Sheet Metal

Stainless steel press-fit nuts have excellent corrosion resistance in most environments.

Steel Aligning Press-Fit Nuts for Sheet Metal

These press-fit nuts have a zinc plating for corrosion resistance in wet environments.

Nylon-Insert Press-Fit Locknuts for Sheet Metal

These press-fit nuts have a nylon insert that grips threads to resist loosening.

Stainless Steel Press-Fit Nuts for Soft Metal and Plastic

Also known as broach style captive nuts, these nuts have good chemical resistance and may be mildly magnetic.

Metric Stainless Steel Press-Fit
Nuts for Soft Metal and Plastic

Also known as broach style captive nuts, these metric nuts have good chemical resistance and may be mildly magnetic.

Steel Press-Fit Nuts for Soft Metal and Plastic

These press-fit nuts are tin plated to resist corrosion from chemicals and salt water.

Installation Tools for Press-Fit Nuts

These tools include everything you need to install press-fit nuts by hand.

Clamping and Workholding

T-Slot Nuts

Designed to slide into T-slot tracks on machine tool tables, use these nuts to secure clamps and workpieces.

Drop-In T-Slot Nuts

Install from the top of the T-slot track and secure with a quarter turn. Also known as quarter-turn T-slot nuts.

Secure-Hold T-Slot Nuts

After sliding the nut into a T-slot, tighten the set screw to keep it in place.

T-Slot Nut and Setup Stud Kits

For mounting items to your machine table, these kits contain the full system of necessary components.

Setup Clamp and T-Slot Fastener Kits

Get everything needed for basic workholding on a machine table.

Economy Setup Clamp and T-Slot Fastener Kits

Good for occasional machining, economy kits contain lower-strength components than standard kits.