S-98625A425 6-80 x 1 1/8" Set Screws

Key Features & Benefits at a Glance

• Superior thread accuracy with Class 3A fit ensures tight, reliable engagement in precision assemblies, reducing the risk of loosening under vibration.
• Corrosion-resistant 303 stainless steel construction offers excellent durability in industrial environments, minimizing maintenance and replacement costs.
• Ultra-fine 6-80 UNS thread provides enhanced holding power in delicate or thin-walled components where standard threads may fail.
• Headless hex design with 5/64" drive allows for flush mounting and secure installation in confined spaces using standard hex tools.
• Ball tip design with alloy steel tip ensures positive, mar-free contact on shafts or components, improving grip without damaging surfaces.
• Compliance with RoHS 3 and REACH regulations guarantees safe, environmentally responsible use in global industrial supply chains.
• Right-hand thread direction facilitates straightforward installation and removal, streamlining assembly processes.

Professional Applications & Engineering Value

This 6-80 ultra fine thread set screw is engineered for applications demanding exact thread engagement and minimal protrusion, such as in precision machinery, optical devices, and electronic enclosures. The 303 stainless steel material resists oxidation and chemical exposure, ideal for harsh or regulated environments. The headless hex design with a 5/64" drive enables secure fastening in tight spaces, while the Class 3A thread fit ensures consistent, high-tolerance performance. The ball tip provides concentrated pressure for firm seating on rotating parts, reducing slippage in set screw applications like shaft collars and couplings. Its compliance with international standards makes it a reliable choice for OEMs and maintenance teams seeking durable, precision fasteners.

Specification Summary & Compliance

This set screw adheres to UNS ultra fine thread standards with a Class 3A thread fit for high precision. Dimensions include a 6-80 thread size, 0.138" thread diameter, and 1-1/8" length. It is manufactured from 303 stainless steel with an alloy steel ball tip and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental and safety standards for industrial use.