Tamper Proof Socket Head Bolts
These “Johnny Bolts” are In-Stock and Ready to Ship!
Call Us at 714-676-8200 to Order
Utility companies rely on tamper proof bolts to prevent theft of expensive equipment such copper wiring or copper connections.
Call us at 714-676-8200 to order your “Johnny Bolts” today
Tengco can design and manufacture any custom size length or material for your special tamper proof bolt requirements. Designed with special thread for easy of application such as ACME, COIL, LAG and made from Stainless Steel.
Tamper proof security fasteners are often non-removable or require a special tool to remove them.

Tamper Proof Socket Head Bolt
Tengco P/N | Tamper Proof Socket Head Bolt Size | Lbs/M | Box Qty |
PBX12212.3SS | 1/2-10 ACME x 2 1/2, Stainless Steel | 196.530 | 200 |
Need a Tamper Proof Hex Key with your Socket Head Bolt?

Tengco’s tamper proof socket head bolts are designed to work with our tamper proof hex key to ensure no one can tamper with your fasteners unless they have access to a specialized tool.
Call us at 714-676-8200 to order your Hex Keys today
- Easy installation
- Sharp corners transfer more torque to fasteners
- Fits tamper proof hex bolts
- Chamfered tool tips eliminate burrs and help tools seat in screw head
- Sharp corners transfer more torque to the screw and reduce stripping
- Precision machined for ease of use and superior fit
Tamper Proof Hex Key
Tengco P/N | Tamper Proof Bolt Size | Lbs/M | Box Qty |
PKY12.3-C | 1/2-10 ACME | 426.000 | 100 |
Get In Touch
More Info
Since 1979 Tengco has supplied our customers with superior custom manufactured parts for a wide variety of industries and applications. Our mission is to provide quality products on time at competitive prices. From standard nuts and bolts to tamper proof Johnny bolts, specialty fasteners, castings, forgings and stampings, our extensive product knowledge can help your organization maintain the highest standards for your custom parts.
Address: 14030 Bolsa Lane, Cerritos, CA 90703 Phone: (714) 676-8200
How Can Tengco Help You?
Tengco is a hardware distributor that provides global sourcing solutions for custom manufacturing. We provide world class global sourcing, service and distribution. Tengco is the perfect solution to your global sourcing needs. We can provide anything from standard nuts and bolts to tamper proof bolts, specialty fasteners, castings, forgings and stampings We have been working with our customers for over 35 years to develop custom metal components for a wide variety of industries and applications. Tengco is ISO 9001:2015 Certified through our midwest distribution center and the combination of our experienced engineering team, logistics team, customer service representatives and sales staff can help your organization maintain the highest standards for your custom parts. Tengco supplies customers throughout the United States, Canada, Mexico, South America, Europe and Asia and we can’t wait to speak to you about how we can help your organization.