Security Screws

Security screws, or tamper-resistant screws, are fasteners designed to resist tampering and unauthorized removal. They feature a special drive design that standard tools cannot engage, making them more challenging to remove without the correct bit or tool.

At Fastco, we supply industrial customers and contract manufacturers nationwide with security screws and other fastening products. These screws help protect equipment, fixtures, and property. They reduce theft and discourage vandalism while limiting access to components that must remain secure.

Order Security Screws in Bulk or Custom Quantities

Use the options below to order security screws in bulk or custom quantities, or contact our office with any questions.

What Are The Benefits of Tamper-Resistant Security Screws?

Standard screws are easy targets in public or exposed settings. A common screwdriver is often all that is needed. While no fastener is truly considered a tamper-proof screw, security screws can significantly raise the barrier of removal. They are used to protect assets and maintain safety. They also help keep installations intact over time.
Common environments include public infrastructure, signage, restrooms, outdoor fixtures, furniture, electronic enclosures, access panels, and institutional facilities.

Security Screw Types and Applications

One-Way Screws

One-way screws drive in with a flat blade and cannot be removed using the same tool. Removal usually requires drilling or special extraction. One-way screws are typically best for permanent installations; they are not ideal where service access or repeated removal is expected.

Pin-Hex and Pin-Torx Screws

Pin-hex and pin-Torx screws include a center pin that blocks standard hex or Torx tools. A matching security bit is required. These screws balance security and serviceability, as authorized personnel can still remove them with the proper bit when necessary. Pin-hex and Pin-Torx screws are common in enclosures, panels, and other commercial or public spaces.

Spanner or Snake-Eye Screws

Spanner screws use two small holes in the head. A forked driver is used to engage the holes. Spanner or snake-eye screws are often used in public fixtures as they provide visible deterrence, yet keep removal possible with the proper tool.

Tri-Wing and Tri-Groove Screws

Tri-wing and Tri-groove screws use a three-lobed or three-groove drive. Like other security screws, tri-wing and tri-groove screws cannot be engaged by standard tools and require special bits for removal. These screws are common in electronics and specialty equipment.

Clutch Head Screws

Clutch head screws use a bow-tie-shaped recess. They are available in both one-way and removable styles. Clutch head screws are often used in institutional or utility settings.

Head Styles, Materials, and Finishes for Security Screws

Security drives are available across many screw types, including machine screws, self-tapping screws, wood screws, sheet metal screws, and more. They are available in the same material options as other standard screws, including:
  • Plain steel
  • Black Oxide finish
  • Zinc-plated steel for moderate corrosion resistance in indoor applications
  • Stainless steel for outdoor or corrosive environments

How to Choose the Right Security Screw

Selecting the appropriate security screw depends on application requirements, environment, and access needs:
  • Start by defining the level of tamper resistance required. Permanent installations often use one-way screws. Applications that require periodic service or inspection typically use reusable security drives such as pin-Torx or spanner styles.
  • Evaluate environmental exposure. Outdoor, wash-down, or corrosive environments typically require stainless steel or corrosion-resistant finishes. Indoor applications may allow for plated carbon steel options.
  • Consider substrate and fastening method. Match the screw type to the material being fastened, such as metal, wood, or plastic. Choose machine threads, self-tapping threads, or sheet metal threads as needed.
  • Consider maintenance requirements. Higher tamper resistance can make removal more difficult. Balance security needs with future access and service considerations.

Tamper-Resistant Screws for Sale

We offer a wide range of security screws for industrial and commercial use. Our tamper-resistant screws include multiple drive styles, head types, thread options, materials, and imperial and metric sizes. We also offer custom lengths and special thread requirements by request. If you're uncertain about which security screws are best for your application, contact us, and the team at Fastco will gladly assist you in getting the best security screws for your project.

Why Choose Fastco to Be Your Security Screw Supplier?

As a nationwide supplier of top-quality fastening products, Fastco is dedicated to providing our customers with superior solutions for every application. We serve customers in the toughest sectors, providing tamper-resistant fasteners for applications in industrial, municipal, and other public-facing projects. With bulk ordering options and volume discounts, you can rely on Fastco for all your security screw supply needs.

Contact Us to Learn How Fastco Can Be Your Tamper-Resistant Screw Supplier

Contact our team to learn how Fastco can be your one-stop supplier for tamper-resistant screws. Ready to start an order? Simply request a quote, and we'll provide you with ordering information with minimal turnaround. Looking for standard screws? Explore our selection of machine screws, tapping screws, sheeting screws, and more.

Need These Customized?

Fastco Inc. offers custom threading, cutting and bending services to meet your project needs.

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