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Breakaway Nuts

Security Fasteners Designed for Controlled Torque Break-Off and Anti-Tamper Applications

Breakaway Nuts are specialized security fasteners designed to provide controlled installation and tamper resistance. During installation, the designated breakaway section separates after reaching a specified tightening condition, leaving the installed portion secured against ordinary removal. They are commonly used where reducing unauthorized disassembly is important.

Product
Breakaway Nuts
Structure
Torque-Controlled Security Nut
Common Design
Shear / Breakaway Head
Thread
Metric / Customer-Specified
Materials
Carbon Steel / Stainless Steel
Installation
Controlled Tightening Torque
Security Function
Anti-Tamper Fastening
Supply Basis
Drawing / Specification
Customization
Thread, Breakaway Requirement, Geometry, Material, Finish & Packaging

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Product Overview

Breakaway Nuts, also called torque-off nuts, shear nuts or security nuts, are designed for controlled installation and tamper-resistant fastening. Their installation gripping section separates at the designed breakaway zone after the specified installation condition is reached.

The remaining threaded section continues securing the connection while generally removing the conventional external gripping surface used by ordinary tools. Actual break performance depends on the approved product drawing, material, geometry, installation method and customer specification.

VALTOR supplies Breakaway Nuts for public infrastructure, outdoor equipment, security panels, industrial enclosures and specialized OEM assemblies.

Technical Specifications

Product
Breakaway Nuts
Structure
Torque-Controlled Breakaway Security Nut
Common Design
Shear / Breakaway Head Structure
Thread
Metric or Customer-Specified Thread Systems
Material
Carbon Steel / Stainless Steel According to Specification
Installation
Installed Using Controlled Tightening Torque
Break Function
Designed Separation After Reaching the Specified Installation Condition
Security Function
Anti-Tamper Fastening After Installation
Key Selection Parameters
Thread Size, Breakaway Requirement, Material, Security Requirement, Installation Tool & Environment
Customization
Drawing and Specification Based Production Available

Controlled Torque Breakaway Security Function

Breakaway Structure
The nut consists of an installation gripping section, threaded fastening section and designed breakaway / shear zone. The upper section is intended to separate when the specified installation condition is reached.
Installation Principle
A suitable tool tightens the nut until the designed break point is reached. The breakaway section separates and the remaining threaded base continues securing the connection.
Anti-Tamper Function
After separation, the installed fastener generally does not provide a conventional external gripping surface, helping reduce unauthorized removal with ordinary tools.
Security Purpose
Suitable for public facilities, security equipment, outdoor infrastructure, restricted-access equipment and specialized industrial assemblies.
Not a Locking Nut
Breakaway Nuts provide controlled installation and anti-tamper function. Lock Nuts are designed mainly to resist unintended loosening during service.
Removal Consideration
Removal may require specialized tools, destructive methods or component replacement; removal is not claimed to be impossible.

Material, Structure & Finish Options

1Carbon Steel Options — Selected according to mechanical performance, environment, security requirement and surface protection.
2Stainless Steel Options — 304 / 316 options may be supplied for outdoor, humid, coastal or corrosive environments.
3Structural Design Options — Breakaway geometry, shear-zone design, head shape and installation method follow the actual security requirement.
4Thread Options — Confirm diameter, pitch, thread standard and mating bolt or stud.
Possible Finish Options
Natural Stainless SteelPassivated Stainless SteelZinc Plated Carbon SteelSpecified Finish

Torque Break Performance & Quality Control

Thread Inspection
Breakaway Geometry
Torque Break Verification
Installation Testing
Material Inspection

Inspection can verify thread size, pitch, mating fit, breakaway-section shape, shear-zone consistency, head geometry, surface condition and manufacturing accuracy. Where required, break performance and installation behavior are tested according to the customer specification, approved test method or product drawing. Agreed documentation may include a Material Certificate, dimensional inspection report or test report.

OEM Security Fastener Supply & Packaging

Custom Security Solutions

Customization may include thread specification, breakaway requirement, security geometry, material, finish and special dimensions.

Application Information Required
Thread SizeInstallation RequirementSecurity ObjectiveEnvironmentQuantityDrawing / Sample
Matching Fastener Supply
Matching BoltsStudsWashersSecurity Fastening Sets
OEM Packaging & Traceability

Inner bags, small boxes, export cartons, pallets and customer-labeled packaging may be supplied with batch identification, customer part numbers and project labels where required.

Delivery

Delivery depends on custom design, material, quantity, testing and packaging requirements; no fixed universal lead time applies.

Applications

Controlled anti-tamper fastening for security-sensitive equipment and infrastructure.

Breakaway security nut installed on outdoor industrial equipment cabinet
01

Public Infrastructure Equipment

Security fastening for equipment requiring reduced unauthorized access.

02

Outdoor Utility Equipment

Suitable where tamper resistance and environmental exposure are considerations.

03

Security Panels & Enclosures

Used for equipment covers and panels requiring controlled access.

04

Industrial Equipment Protection

Applied where preventing casual disassembly is important.

05

Specialized OEM Assemblies

Used in customer-designed products requiring customized security fastening.

Frequently Asked Questions

How does a Breakaway Nut work?

A Breakaway Nut contains a designed separation section. During controlled installation, the section breaks after reaching the specified installation condition, leaving the installed fastener section secured.

Is a Breakaway Nut the same as a Lock Nut?

No. Lock Nuts are designed to resist loosening during service, while Breakaway Nuts are designed mainly for anti-tamper and controlled installation purposes.

Can Breakaway Nuts be removed after installation?

Removal normally requires special tools or destructive methods because the original external gripping section is removed after installation.

Can VALTOR supply custom Breakaway Nuts?

Yes. Breakaway Nuts are often supplied according to customer drawings, security requirements, thread specifications and installation conditions.

What information is required for quotation?

Provide thread size, material, security requirement, installation condition, quantity and any drawing or sample information.

Need Breakaway Nuts for Your Security Application?

Share the thread size, material, security objective, installation condition, quantity and drawing or sample with VALTOR.

Request A Quote




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