[10 PKG] Left Hand Thread Grade 8 Tap Bolts Full Thread 1/2-13 X 1-1/4

Engineered for demanding applications, the Left Hand Thread Grade 8 Tap Bolts are high-strength fasteners designed to resist loosening in critical machinery and equipment. With a left-hand thread and Grade 8 strength, these bolts deliver reliable performance under heavy torque and vibration. The full-thread design provides maximum engagement along the entire shank, making them ideal for secure, long-lasting assemblies.

Key features

• Left-hand thread ensures the bolt tightens under reverse torque and resists self-loosening in rotating assemblies.
• Grade 8 steel offers high tensile strength for demanding applications.
• Full-thread length provides consistent thread engagement from head to end.
• Size: 1/2-13 x 1-1/4 (UNC) standard for common 1/2″ hardware in a compact 1-1/4″ length.

Specifications

• Thread direction: Left-hand
• Thread size: 1/2-13 UNC
• Length: 1-1/4 inches
• Thread length: Full thread
• Material grade: Grade 8

Applications

Ideal for automotive, industrial machinery, and equipment assemblies where a left-hand threaded fastener is required to prevent loosening under rotation and vibration.