Dottie 5MB121 Screw, 1/2"-13 1" Grade Hex Head Cap Screw

Designed for reliable, high-load fastening in commercial installations, the Dottie 5MB121 screw delivers the consistent clamp force you need for security, surveillance and monitoring hardware. This Grade 5 hex head cap screw, made from medium carbon steel, provides the strength required to secure camera mounts, network enclosures and other low-voltage equipment without over-torquing. The 1/2-13 thread form and 1" length give dependable engagement whether used in internally tapped holes or mated with a nut. For best performance, install with a hardened washer under the turned component to protect surfaces and maintain clamp force over repeated service.

Engineered to meet SAE J429 material requirements and ASME B18.2.1 dimensions, the Dottie 5MB121 is a practical choice for contractors and facility managers who need consistent, code-compliant fasteners. Packaged in groups of 50, it simplifies procurement and keeps installation projects moving. Ideal for mounting security cameras, racks, brackets and enclosures—order the Dottie 5MB121 to ensure secure, professional results on your next surveillance or networking deployment.

• Provides consistent, controlled clamp force for secure mounting of cameras, enclosures and equipment
• Grade 5 medium carbon steel offers dependable strength for high-load security and networking applications
• 1/2-13 x 1" hex head design ensures easy installation with standard tools and reliable thread engagement
• Compatible with internally tapped holes or nuts; use with a hardened washer to protect components and maintain torque
• Packaged in quantity of 50 for convenient bulk installation and maintenance planning