S-93516A206 5/8"-11 x 1 3/4" ASME B18.2.1 Bronze Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance for extended service life in marine and harsh industrial environments thanks to 651 Silicon Bronze material
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity and structural integrity under demanding conditions
• Excellent durability with Rockwell B70 hardness providing resistance to wear and deformation
• Secure and precise fastening with Class 2A thread fit and UNC coarse threads for easy installation and vibration resistance
• Full threading along the 1 3/4" length offers maximum grip and adjustment flexibility in various material thicknesses
• Industry-standard compliance with ASME B18.2.1 specifications ensures consistent quality and interchangeability
• Environmental and safety adherence with RoHS 3 and REACH compliance for responsible industrial use

Professional Applications & Engineering Value

Engineered for marine applications and harsh industrial settings, these 651 Silicon Bronze hex head screws address critical challenges like saltwater corrosion, chemical exposure, and structural fatigue. The external hex drive and coarse UNC threads facilitate quick installation and maintain clamping force in high-vibration environments, reducing maintenance downtime. With a tensile strength of 70,000 psi and Rockwell B70 hardness, they provide dependable performance in boat building, offshore platforms, and chemical processing equipment, ensuring long-term reliability where standard fasteners fail.

Specification Summary & Compliance

This 5/8"-11 UNC screw features Class 2A thread fit for precise dimensional accuracy and is fully threaded for consistent engagement. Manufactured to ASME B18.2.1 standards, it guarantees uniformity and performance. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety regulations for industrial and marine use.