S-90841A140 10-32 x 1/2" ASME B18.3 High-Vacuum Cleaned-and-Bagged Vented Socket Head Screws

Key Features & Benefits at a Glance

• Superior vacuum integrity with high vacuum rating prevents outgassing and contamination in sensitive environments
• Exceptional strength and durability with 70,000 psi tensile strength and Rockwell B70 hardness for demanding applications
• Precise thread engagement with Class 3A UNF fine threads ensures reliable, vibration-resistant connections
• Enhanced pressure equalization through 0.052" vent diameter prevents pressure buildup in sealed systems
• Corrosion-resistant performance with 18-8 stainless steel construction for long service life in harsh conditions
• Secure installation with 5/32" hex drive socket head provides reliable torque transmission and prevents stripping
• Full regulatory compliance meeting ASME B18.3 specifications and RoHS/REACH environmental standards

Professional Applications & Engineering Value

This 10-32 UNF thread socket head cap screw delivers critical performance in high-vacuum applications where reliability is paramount. The 18-8 stainless steel construction provides excellent corrosion resistance while maintaining 70,000 psi tensile strength under extreme conditions. The vented design with 0.052" diameter effectively manages pressure differentials, preventing system failure in vacuum chambers, semiconductor equipment, and scientific instrumentation. With Class 3A thread fit and fine thread spacing, these fasteners ensure precise alignment and vibration resistance in precision assemblies. The fully threaded configuration allows for uniform load distribution, making them ideal for critical joints in aerospace, medical devices, and high-precision manufacturing where socket head accessibility and high vacuum rating are essential requirements.

Specification Summary & Compliance

This socket head cap screw features precision 10-32 UNF threads with Class 3A fit for superior thread engagement and dimensional accuracy. Manufactured to ASME B18.3 specifications, the fastener ensures consistent performance and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, containing no restricted substances. The right-hand thread direction and fine thread spacing provide optimal clamping force in high-vacuum applications, while the standard socket head profile with 5/32" hex drive ensures compatibility with standard installation tools.