S-90280A145 6-32 x 5/16" ASME B18.6.3 Steel Fillister Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in demanding industrial environments
• High-strength performance with 60,000 psi tensile strength and Rockwell B69 hardness for reliable load-bearing applications
• Optimized head design featuring a rounded fillister profile with 0.226" diameter for enhanced grip and reduced surface protrusion
• Precision threading with Class 2A UNC coarse threads ensuring consistent engagement and vibration resistance
• Full-threaded coverage along the 5/16" length provides maximum holding power across the entire fastener
• Industry compliance meeting ASME B18.6.3 specifications for dimensional accuracy and manufacturing consistency
• Environmental responsibility with RoHS 3 and REACH compliance for safe use in regulated applications

Professional Applications & Engineering Value

This 6-32 UNC zinc-plated steel fillister head screw delivers exceptional engineering value in precision assembly applications. The rounded fillister head profile combines a low-profile design with increased bearing surface, preventing surface damage while distributing clamp load effectively. The coarse UNC threading and Class 2A thread fit ensure rapid installation and reliable performance in vibration-prone environments common to industrial machinery, electronic enclosures, and automotive components. The zinc-plated steel construction provides essential corrosion protection while maintaining the 60,000 psi tensile strength required for critical fastening applications. The slotted drive design offers compatibility with standard tools, making these screws ideal for maintenance operations and production lines where reliability and ease of installation are paramount.

Specification Summary & Compliance

This screw features precision 6-32 UNC coarse threads with Class 2A thread fit tolerances for consistent engagement. Manufacturing complies with ASME B18.6.3 dimensional standards, ensuring interchangeability and reliability. The product meets RoHS 3 (2015/863/EU) compliance for hazardous substance restrictions and REACH (EC 1907/2006) requirements for chemical safety, making it suitable for use in regulated industries and international markets.