S-93516A216 5/8"-11 x 6" ASME B18.2.1 Bronze Hex Head Screws

Bronze Hex Head Screws

0255FA00066 Bronze Hex Head Screws
0255FA00066 Bronze Hex Head Screws

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Part No.
Part No. 0255FA00066
Equivalent to mcmaster :
93516A216

Basic Information

System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 15/16"
Head Height 3/8"

Dimensions

Length 6"

Thread Parameters

Thread Type UNC
Thread Size 5/8"-11
Thread Diameter 0.625"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 2A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style External Hex

Material & Strength

Material 651 Silicon Bronze
Hardness Rockwell B70
Tensile Strength 70000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASME B18.2.1
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Superior corrosion resistance for extended service life in marine and harsh environments, thanks to 651 Silicon Bronze material
  • High tensile strength of 70,000 PSI ensures reliable performance under heavy loads and stress conditions
  • Excellent durability with Rockwell B70 hardness, providing resistance to wear and deformation
  • Easy installation and removal with external hex drive and coarse UNC threading for quick assembly
  • Precise thread fit (Class 2A) guarantees secure fastening and reduces the risk of loosening in industrial applications
  • Full threading along the 6" length offers maximum grip and adjustability in various material thicknesses
  • Compliance with industry standards including ASME B18.2.1, RoHS 3, and REACH for safety and environmental responsibility

Professional Applications & Engineering Value

This 5/8"-11 UNC hex head screw is specifically designed to address challenges in demanding settings like marine construction, chemical processing, and outdoor infrastructure. Made from 651 Silicon Bronze, it provides exceptional resistance to saltwater corrosion and atmospheric degradation, reducing maintenance costs and downtime. The coarse thread and Class 2A fit ensure quick, reliable fastening in wood, metal, and composite materials, while the external hex drive allows for efficient torque application with standard tools. Ideal for heavy-duty industrial fasteners, it supports structural integrity in bridges, docks, and equipment exposed to moisture, delivering long-term reliability and compliance with ASME B18.2.1 specifications.

Specification Summary & Compliance

This screw features a 5/8"-11 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy and ease of assembly. It is manufactured in accordance with ASME B18.2.1 standards, ensuring consistent quality and performance. Additionally, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental adherence for industrial use.

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