stopping theft every day – call for immediate support 1.888.584.6283


high-security,tamper resistant,
anti-theft,tamper proof

  • Package-Small Job Quantities
  • Mini-Bulk Project Quantities
  • 1/4 keg Manufacturing Quantities

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top products.


loss prevention fasteners concrete anchors
anchors

Sleeve & Wedge

Ultra Lok S7 Nut
ULTRA-LOK S7™

Patented

Made in USA

T-Groove Security Nuts
T-groove nuts™

Made in USA

Loss Prevention Fasteners roby pin
roby-pin™

Patented Pending

Made in USA

Loss prevention fasteners 5 lobe pin
ultra 5 lobe™ 
6 Lobe Security pin
6 lobe pin
Loss Prevention Fasteners Hex pin security
HEX PIN
Avsafe Security Screws
AVSAFE™
Loss prevention fasteners Penta bolts
PENTAGON
Tork Bolts
TORK-BOLT™
Loss prevention fasteners Tork Nuts
TORK-NUT™ 
Ultra Lok ll
ULTRA-LOK II™

Made in USA

Socket Head Capscrews
SHCS PIN
Torx Pin Barrel nuts
BARREL NUTS
Phill pin
PHILL PIN™
One Way Screws
ONE WAY
Spanner Snake Eye Bolts
SPANNER
Slot Lok Bolt
SLOT-LOK™ BOLTS
Slot-lok nuts
SLOT-LOK™ NUTS
Tri-Wing Tapping Screws
TRI-WING
Loss prevention playground fasteners
SHACKLES
Toggle Security bolts
SECURITY Toggle
Loss prevention fasteners T-Groove Screws
T-GROOVE™
Loss prevention fasteners Security Tools
TOOLS
Security Set Screws
SET SCREWS
T-Slope Security Nuts
T-SLOPE NUTS
Pinbolt Secure Rivets
SECURE RIVETS
316 Stainless Steel Security
Various Options
Made in USA
USA MADE
Loss prevention fasteners Assortments
ASSORTMENTS

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our products

why use a security screw?

Stopping theft and eliminating tampering will provide peace of mind and reduce costs due to theft or interference. Tamper Proof Fasteners made in USA with proprietary technology gives you confidence in Stopping Theft Every Day. TamperProof screws, nuts, bolts, anchors and other mechanical connectors are available as inch or metric sizes. Security options vary by size and product, ask us for a quote. Reduced liability: cover plates, inspection panels and ground vaults… any product or device that has potential for injury or electrical shock or any dangerous situation should have limited access. Protect your technology with Vandal proof torx pin screws and hardware with tri groove security nuts.

who we are

About us

The LPfast.com team has over 150 years of experience with all styles and types of fasteners. These hardware smalls are usually available in a tamper resistant style. Our vast knowledge data base allows us to support you and your project. We have everything you need: Technical support, solutions and options. Our tamper proof options include inch and metric sizes as well as custom designs.

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STAFDA and SEMA member

Frequently Asked Questions

What types of tamper-resistant fasteners does Loss Prevention Fasteners offer?

We supply a complete range of tamper-proof, tamper-resistant, and anti-theft fasteners, including security nuts, bolts, anchors, screws, and specialty fasteners like T-Groove, Snake Eye, and Slot-Lok designs—engineered for maximum protection across industries.

Do you provide fasteners for B2B and industrial clients?

Yes. We work directly with B2B customers, contractors, OEMs, government agencies, and facility managers who need high-security fasteners for commercial, public, and industrial applications. We offer bulk pricing, large-volume orders, and custom manufacturing options tailored to your requirements.

Why should businesses choose Loss Prevention Fasteners?

With decades of experience, we are a trusted U.S. supplier of tamper-proof and high-security fasteners. Our products are Made in the USA, designed for reliability, durability, and theft prevention, making us the preferred choice for municipalities, manufacturers, and contractors nationwide.

Can you create custom security fasteners for specific applications?

Absolutely. Our engineering team provides custom fastener design and manufacturing services, including unique head styles, materials, coatings, and torque requirements. We support both prototype and full-scale production runs.

Are your fasteners corrosion-resistant and outdoor rated?

Yes. Many of our stainless steel and galvanized fasteners are built to withstand harsh environments, making them ideal for outdoor, marine, transportation, and infrastructure projects.

What industries use Loss Prevention Fasteners?

Our products are trusted across sectors including transportation, utilities, manufacturing, construction, retail security, defense, and public infrastructure—anywhere security and reliability are essential.