S-91318A610 3/8"-16 x 3/16" Set Screws

Key Features & Benefits at a Glance

• Superior holding power with Class 3A thread fit ensuring tight, secure fastening in demanding applications
• Excellent corrosion resistance from 18-8 stainless steel construction for long-lasting performance in harsh environments
• Enhanced durability with Rockwell B80 hardness providing reliable wear resistance under repeated use
• Easy installation and removal with hex drive design allowing for straightforward torque application in confined spaces
• Wide compatibility with UNC coarse threads offering quick assembly and reliable engagement in various materials
• Regulatory compliance meeting RoHS 3 and REACH standards for safe use in industrial and commercial applications
• Space-saving design as a headless set screw ideal for applications where protruding fastener heads are not feasible

Professional Applications & Engineering Value

This 3/8"-16 UNC hex headless set screw delivers exceptional engineering value in industrial fastening applications where reliability and precision are paramount. The 18-8 stainless steel construction provides outstanding corrosion resistance, making it ideal for machinery, equipment, and assemblies exposed to moisture, chemicals, or outdoor conditions. The Class 3A thread fit ensures precise engagement with mating components, eliminating play and vibration-induced loosening in rotating assemblies, shafts, and collars. The hex drive style allows for high torque application in confined spaces, while the headless design enables flush mounting where clearance is limited. These set screws are particularly valuable in manufacturing, automotive, and aerospace applications where coarse thread fasteners provide quick assembly and disassembly without compromising holding strength.

Specification Summary & Compliance

This precision fastener features 3/8"-16 UNC coarse threads with Class 3A thread fit for superior dimensional accuracy and engagement. The inch system measurement ensures compatibility with standard industrial equipment, while the right-hand thread direction and 3/16" length provide consistent performance across applications. Manufactured to exacting standards, this set screw maintains Rockwell B80 hardness for optimal strength and wear resistance. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting the latest environmental and safety regulations for industrial fasteners.