Description
Grade 8 Zinc Yellow Plated Hex Tap Bolt (Full Thread) 1/2-20 X 4 combines high strength with reliable corrosion resistance for demanding fastening applications. Made from Grade 8 steel and finished with a zinc yellow coating, this hex tap bolt delivers superior torque tolerance and dependable performance in automotive, industrial, and machinery assemblies.
With a fully threaded shank and a hex head, this bolt is designed for secure, easy installation using standard sockets or wrenches. The 1/2-20 UNF (fine thread) specification provides precise engagement and strong shear resistance, ideal for tapping into pre-threaded components or securing parts with high load requirements.
Features
- Grade 8 steel for high tensile strength and durability.
- Zinc yellow plated finish offers corrosion resistance in humid or changing environments.
- Hex tap bolt with full thread for versatile engagement along the entire shank.
- Size: 1/2-20 x 4 — 1/2 in diameter, 20 threads per inch (UNF), 4 in length.
- Head type: Hex for use with standard sockets and wrenches.
Specifications
- Material: Grade 8 carbon steel
- Finish: Zinc Yellow Plated
- Head: Hex
- Thread: 1/2-20 UNF (fine)
- Length: 4 inches
- Thread engagement: Full length
Applications
Ideal for automotive assemblies, heavy equipment, machinery installations, and any project requiring a strong, corrosion-resistant fastener with a reliable hex drive and full thread length.
Can We Help?
If you’re not sure that this product is right for you, give us a call!
800-222-0324

