Simpson Strong-Tie 58 NUT58-SS ASTM F594 Hex Nut – 316 Stainless Steel

The Simpson Strong-Tie NUT5/8-SS is a 5/8″ stainless steel hex nut designed for heavy-duty fastening applications in construction, anchoring, and industrial projects. Manufactured to meet ASTM F594 specifications, this nut provides excellent corrosion resistance and long-term durability, even in demanding environments.

Its precision-machined threads ensure a tight, reliable fit with compatible 5/8″ bolts and threaded rod. Ideal for outdoor, coastal, or chemically exposed conditions, the NUT5/8-SS delivers a secure fastening solution wherever strength and weather resistance matter.

Key Features

• Material: Type 316 stainless steel for superior corrosion resistance
• Size: 5/8″ nominal diameter
• Specification: Meets ASTM F594 standards for industrial-grade performance
• Hex Head Design: Easy to install with standard wrenches for quick and secure tightening
• Compatible Applications: Perfect for use with Simpson anchor bolts, threaded rods, and general fastening in corrosive or outdoor conditions