[10 PKG] Left Hand Thread Grade 8 Tap Bolts Full Thread 3/8-16 X 4

Left Hand Thread Grade 8 Tap Bolts Full Thread 3/8-16 x 4 are high-strength fasteners designed for applications where left-handed threads are required to resist loosening under dynamic loads. Grounded in Grade 8 steel, these tap bolts deliver dependable strength and durability for industrial, automotive, and machinery use.

With a full-thread design, the entire shaft is threaded for maximum engagement and versatility in critical assemblies. The 3/8-16 x 4 specification identifies a 3/8 inch diameter, 16 threads per inch, and a 4 inch lengthideal for a range of tasks with standard US thread compatibility.

Key features

• Left-hand thread design to provide anti-loosening performance in rotating or reciprocating applications.
• Grade 8 steel for high-strength, wear resistance, and reliability.
• Full-thread length ensures maximum thread engagement across the entire bolt.
• Size: 3/8-16 x 4 inches, compatible with standard nuts and components in compatible left-hand thread systems.

Whether youre outfitting industrial equipment, automotive assemblies, or machinery that requires a left-handed torque, these tap bolts deliver consistent performance and a secure hold. Add to your fastener kit today for dependable, high-strength fastening when left-hand threads are required.