S-92949A437 1/4"-20 x 3/16" Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments
• Precise Class 3A thread fit ensures reliable engagement and reduces cross-threading risks in assembly
• High tensile strength of 70,000 psi provides exceptional load-bearing capacity for demanding applications
• Rockwell B55 hardness offers excellent durability and resistance to wear over repeated use
• Secure 5/32" hex drive allows for easy installation with standard tools while preventing cam-out
• Fully threaded design maximizes grip length and distributes stress evenly across the fastener
• Compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptance

Professional Applications & Engineering Value

Engineered for precision assembly, these 1/4-20 UNC rounded head screws with Class 3A thread fit deliver unmatched reliability in machinery, electronics, and structural frameworks. The 18-8 Stainless Steel material combats corrosion in humid or chemical-exposed settings, while the coarse thread and fully threaded profile enable quick installation and robust clamping force. The button head style with hex drive provides a low-profile, flush finish that minimizes protrusion risks. Ideal for OEMs and maintenance teams requiring consistent performance, these screws solve common issues like thread stripping and material degradation, ensuring long-term operational integrity.

Specification Summary & Compliance

This screw adheres to UNC thread standards with a precise Class 3A thread fit for tight tolerances. Dimensions include a 1/4"-20 thread size, 3/16" length, and coarse thread spacing. Manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, it ensures environmental and safety standards are upheld for industrial use.