Left Hand Thread Grade 8 Tap Bolts Full Thread 5/8-11 X 1-3/4 are high-strength fasteners designed for secure fastening in applications requiring a left-handed thread. Built from Grade 8 steel, these bolts deliver exceptional tensile strength and durability for demanding environments.

With full thread along the entire shank, these tap bolts provide uniform engagement, improved grip, and easy adjustment. The 5/8-11 size denotes a 5/8 inch diameter with 11 threads per inch, and the 1-3/4 inch length ensures ample thread contact in a range of assemblies.

• Left-hand thread steel bolts deliver reliable operation in counterclockwise-turn systems.
• Grade 8 steel for high-strength performance in heavy-duty applications.
• Full thread for uniform thread engagement and clamp load.
• Size: 5/8-11 x 1-3/4 inches (diameter x thread pitch x length).
• Suitable for automotive, machinery, and equipment mounting where a left-hand fastener is required.

Whether you’re repairing, prototyping, or assembling equipment that relies on left-handed fasteners, these tap bolts are engineered to offer dependable torque and holding power. Add them to your toolkit and ensure your assemblies stay secure during operation.