S-99926A128 10-32 x 3/8" Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
• Exceptional thread engagement and vibration resistance through Class 3A precision thread fit and UNF fine threading
• High mechanical strength delivering 70,000 psi tensile strength and Rockwell B70 hardness for demanding applications
• Secure, flush installation with 100° countersink angle and undercut flat head design
• Efficient installation and removal using standard 3/32" hex drive tooling
• Reliable partial threading ensures optimal clamping force distribution
• Full regulatory compliance with RoHS 3 and REACH standards for global manufacturing

Professional Applications & Engineering Value

These 10-32 UNF flat head screws provide critical solutions for precision assembly challenges where flush mounting and high-strength fastening are paramount. The combination of 18-8 stainless steel material and passivated surface treatment ensures exceptional corrosion resistance in demanding environments including marine, chemical processing, and outdoor equipment. The Class 3A thread fit with UNF fine threading delivers superior vibration resistance and precise torque control, preventing loosening in dynamic applications. The undercut flat head profile with 100° countersink angle allows for perfectly flush installations in machined surfaces, while the hex drive design enables high-torque installation without cam-out issues. These industrial screws are engineered to maintain integrity under continuous stress with their 70,000 psi tensile strength, making them ideal for critical assemblies in aerospace, automotive, and precision machinery sectors.

Specification Summary & Compliance

This 3/8" length flat head screw features precision 10-32 UNF threads with Class 3A thread fit for exacting dimensional requirements. The fastener maintains Rockwell B70 hardness and 70,000 psi tensile strength with partial threading extending to a minimum of 0.26". Manufacturing and material compliance includes full adherence to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global industrial applications and restricted substance requirements.