S-98625A411 6-80 x 3/4" Set Screws

Key Features & Benefits at a Glance

• Superior holding power with a precision ball tip made from durable alloy steel, ensuring secure component positioning in demanding applications.
• Exceptional thread engagement provided by the ultra fine 6-80 thread and Class 3A fit, delivering reliable, vibration-resistant fastening in precision assemblies.
• Excellent corrosion resistance from 303 stainless steel construction, ideal for use in harsh industrial environments requiring long-term reliability.
• Easy installation in confined spaces with the headless design and compact 5/64" hex drive, allowing for efficient assembly with standard tools.
• Consistent performance ensured by UNS thread standards and right-hand threading, providing predictable and repeatable fastening results.
• Compliance with global regulations including RoHS 3 and REACH, making it suitable for international supply chains and sensitive applications.
• Versatile application fit with a 3/4" length and 0.138" thread diameter, accommodating various component thicknesses and spacing requirements.

Professional Applications & Engineering Value

This 6-80 ultra fine thread set screw delivers critical engineering value in applications where precise component alignment and vibration resistance are paramount. The 303 stainless steel construction provides excellent corrosion resistance for machinery operating in humid or chemically aggressive environments, while the Class 3A thread fit ensures tight tolerances that prevent loosening under dynamic loads. The ball tip design creates concentrated point contact that minimizes surface marring while maximizing holding force, making it ideal for precision instruments, optical equipment, and fine mechanical assemblies. The headless configuration with 5/64" hex drive allows installation in space-constrained applications where traditional fasteners cannot be used, solving common design challenges in compact industrial equipment and electronic enclosures.

Specification Summary & Compliance

This set screw features Class 3A thread fit precision with UNS ultra fine threading (6-80 size, 0.138" diameter) and 3/4" length. Manufacturing adheres to standard industrial specifications for dimensional accuracy and performance. The product is RoHS 3 (2015/863/EU) compliant with exemption 6(c) and REACH (EC 1907/2006) compliant per the June 14, 2023 Substance of Very High Concern listing, ensuring regulatory compliance for industrial and commercial applications.