Master-Tools

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Socket Head Screws

Low-Profile Rivet Nut Assortments

Use these rivet nuts for light duty fastening in low-clearance applications. Assortments include rivet nuts, mandrels, and an installation tool.

Socket Head Screws

Twist-Resistant Rivet Nut Assortments

Everything you need to add threads to sheet metal, these assortments contain twist-resistant rivet nuts, mandrels, nosepieces, and a plier-style installation tool.

Socket Head Screws

Insulating Rivet Nut Assortments

A neoprene rubber coating insulates the brass nuts in these assortments from electricity, seals out moisture, and dampens vibration.

Socket Head Screws

Rivet Nut Assortments

These rivet nuts have a smooth body and fit in smaller holes than twist-resistant rivet nuts. Assortments include rivet nuts, mandrels, nosepieces, and a plier-style installation tool.

Socket Head Screws

Steel Twist-Resistant Rivet Nuts

Made of steel, these rivet nuts add strong, reusable threads to sheet metal and other material that’s too thin to tap. The ribbed body on these nuts grips material better than smooth-body rivet nuts, so they won't twist when you tighten a screw.

Socket Head Screws

Stainless Steel Twist-Resistant Rivet Nuts

Made of 18-8 stainless steel, these rivet nuts withstand water, mild chemicals, and outdoor conditions better than zinc-plated steel nuts. A ribbed body grips surrounding material to hold them in place, keeping them from spinning as you tighten screws.

Socket Head Screws

Titanium Twist-Resistant Rivet Nuts

Originally designed for Formula 1 racecars, these titanium rivet nuts are the best choice when you need a high strength-to-weight ratio—they're 40% lighter than steel nuts.

Socket Head Screws

Aluminum Twist-Resistant Rivet Nuts

These aluminum rivet nuts are one-third the weight of steel rivet nuts and have mild corrosion resistance.

Socket Head Screws

Steel Heavy Duty Twist-ResistantHex-Shaped Rivet Nuts

A hex-shaped body provides the highest twist resistance of any rivet nut.

Socket Head Screws

Heavy Duty Twist-Resistant Rivet Nuts

Our most twist-resistant round rivet nuts, these have both a ribbed body and wedges under the flange that bite into material to prevent spinning when tightening a screw. With a thick body for heavy duty applications, they match the strength of Grade 5 and Class 8 screws.

Socket Head Screws

Twist-Resistant Rivet Nuts for Soft Materials

A ribbed body on these rivet nuts and wedges under the flange bite into soft materials such as brass, aluminum, and composites to prevent spinning when you tighten a screw.

Socket Head Screws

Screw-Locking Heavy DutyTwist-Resistant Rivet Nuts

Irregularly shaped threads in these nuts form a tight grip, preventing screws from backing out in vibration-heavy environments.

Socket Head Screws

Stainless Steel Heavy DutyTwist-Resistant Hex-Shaped Rivet Nuts

Ideal for wet and outdoor environments, these rivet nuts are made of stainless steel. Their hex-shaped body provides the highest twist resistance of any rivet nut.

Socket Head Screws

Flush-Mount Rivet Nuts

With an angled head, these rivet nuts sit flush in countersunk holes.

Socket Head Screws

Steel Rivet Nuts

Add strong threads to sheet metal and other thin surfaces.

Socket Head Screws

Aluminum Rivet Nuts

These aluminum rivet nuts are one-third the weight of steel rivet nuts and have mild corrosion resistance.

Socket Head Screws

Stainless Steel Rivet Nuts

Made of stainless steel, these rivet nuts hold up better outdoors than zinc-plated steel rivet nuts.

Socket Head Screws

Rivet Nuts for Plastic and Composites

Add strong, permanent threads to plastic and composites.

Socket Head Screws

Rivet Nuts for Sandwich Panels

To grip all layers of a sandwich panel—the top, core, and bottom—these rivet nuts have a two-piece construction.

Socket Head Screws

Insulating Rivet Nuts

A nonconductive rubber coating insulates the nut from electricity, seals out moisture, and damps vibration.

Socket Head Screws

Flange-Sealing Closed-End Rivet Nuts

With a durable plastic seal around a closed body, these rivet nuts add threads to sheet metal without letting water or dust pass through.

Socket Head Screws

Thread-Sealing Closed-End Rivet Nuts

The closed end on these nuts keeps debris from passing through the nut or damaging the threads.

Socket Head Screws

Flange-Sealing Rivet Nuts

A PVC foam seal under the flange keeps liquids and gasses from leaking between the nut and the surrounding material.

Socket Head Screws

Screw-to-Install Rivet Nuts

Install a rivet nut with only a screw—no special installation tool required.

Socket Head Screws

Sealing Screw-to-Install Rivet Nuts

To block out moisture and resist corrosion in wet environments, these steel rivet nuts have a PVC plastic flange and a zinc-plated body. Install them in sheet metal with only a screw, no special tools required.

Socket Head Screws

Aligning Rivet Nuts

Threads float inside the nut so you can install a screw at a slight angle to align with off-center parts. They’re also known as Riv-Float nuts.

Socket Head Screws

Steel Low-Profile Rivet Nuts

About twice as strong as aluminum rivet nuts, these low-profile rivet nuts have a cadmium or tin-zinc plating for corrosion resistance.

Socket Head Screws

Steel Low-Profile Rivet Nuts with Installation Tool

Everything you need to add threads to sheet metal in low-clearance areas. Along with low-profile rivet nuts, these kits include mandrels and an installation tool.

Socket Head Screws

Stainless Steel Low-Profile Rivet Nuts

The most corrosion resistant low-profile rivet nuts we offer, these stand up to chemicals.

Socket Head Screws

Aluminum Low-Profile Rivet Nuts

These low-profile rivet nuts are one-third the weight of steel and have mild corrosion resistance.