Security Shear Bolts & Shear Head Screws | Break Away Fasteners
- Ultimate Tamper-Proofing: Innovative break-away mechanism leaves a smooth, non-grippable head to prevent unauthorized removal.
- Global Size Standards: Full range of Metric and Imperial specifications to meet any international engineering requirement.
- OEM & ODM Solutions: Beyond standard sizes, we offer expert customization based on your specific blueprints and project needs.
- Versatile Material Grades: Available in High-Strength Carbon Steel, Stainless Steel (A2/A4/Duplex), Brass, and Specialized Alloys.
Tamper-Proof Shear Off Bolts & Nuts | Security Shear Fasteners
Our Security Shear Off Bolts and Nuts feature a specialized dual-head design engineered for high-level anti-theft protection. During installation, the drive head is designed to shear off precisely when the pre-set torque is reached, leaving a smooth, tamper-resistant button head. This permanent fastening solution effectively prevents unauthorized removal and vandalism.
T&Y provides a one-stop solution for Security Shear Bolts and Nuts, offering a full range of Metric and Imperial sizes to meet international standards. > Our production is fully compliant with ISO 9001, 14001, 45001, and RoHS standards, ensuring the highest reliability for your security projects. Whether you need high-volume wholesale or small sample orders, we deliver competitive factory prices.
Security Shear Bolts & Shear Nuts Technical Specifications
| Metric | Imperial | Drive/Socket | Shear Torque |
| M6 | 1/4″ | 10mm /7/16″ | 7 – 9 Nm |
| M8 | 5/16″ | 13mm / 1/2″ | 16 – 20 Nm |
| M10 | 3/8″ | 17mm / 9/16″ | 35 – 42 Nm |
| 7/16″ | 11/16″ | 45 – 55 Nm | |
| M12 | 1/2″ | 19mm / 3/4″ | 60 – 70 Nm |
| M16 | 5/8″ | 24mm / 15/16″ | 140 – 160 Nm |
Full-Spectrum Security Shear Fastener Solutions
T&Y offers three main types of safety shear fasteners for your selection. Our standard series features hex head designs and safety shear nuts, and we also provide customized options with countersunk or other head styles to meet your specific project requirements. In addition to individual components, we offer integrated shear bolt and nut kits, delivering a complete one-stop fastening solution.
Our advantages

Certified by ISO 9001, ISO 45001, ISO 14001, and ROHS.

Focusing on fastener manufacturing for 23 years, we have built a reputation in the industry and are worthy of your trust!

Standard models are fully stocked and can be shipped shortly after you place your order.

Carefully customize one-stop fastener comprehensive solutions to meet the diverse needs of customers.
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