S-92205A626 3/8"-16 x 1 1/4" Sealing Hex Head Screws

Key Features & Benefits at a Glance

• Superior sealing performance with silicone rubber O-ring for reliable leak prevention in high-pressure environments up to 20,000 psi
• Exceptional corrosion resistance from 18-8 stainless steel construction, ensuring long-term durability in harsh industrial conditions
• High tensile strength rating of 80,000 psi provides reliable fastening integrity for demanding applications
• Wide temperature compatibility (-80° to 400°F) allows consistent performance across extreme thermal environments
• Optimized thread design with UNC coarse threading and Class 2A fit ensures quick installation and secure engagement
• Full threading along 1-1/4" length delivers maximum grip and load distribution throughout the fastened joint
• External hex drive design enables high-torque installation with standard tools for efficient assembly operations

Professional Applications & Engineering Value

This 3/8"-16 UNC hex head screw delivers critical sealing solutions for high-pressure industrial applications where fluid containment is paramount. The combination of 18-8 stainless steel construction and silicone rubber O-ring creates a robust sealing system that maintains integrity under extreme conditions from -80° to 400°F. The fully threaded design with coarse UNC threading ensures maximum thread engagement and superior vibration resistance, while the external hex drive facilitates high-torque installation without stripping. Engineered for hydraulic systems, pressure vessels, and industrial equipment, this sealing screw eliminates leakage points in applications demanding 20,000 psi pressure containment, providing reliable performance where standard fasteners fail.

Specification Summary & Compliance

This inch-system fastener features 3/8"-16 UNC coarse threads with Class 2A thread fit for precise dimensional accuracy and reliable engagement. The fully threaded design extends the complete 1-1/4" length with a minimum thread length of 1". Manufactured from 18-8 stainless steel with Rockwell B85 hardness and 80,000 psi tensile strength, the screw incorporates a silicone rubber O-ring rated for -80° to 400°F temperature range. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.