S-90843A340 M3 x 12 mm DIN 912, ISO 4762 Cleaned and Bagged 18-8 Stainless Steel Socket Head Screws for High Vacuum

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with silver-plated 18-8 stainless steel construction, ideal for harsh industrial environments
• Superior mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing performance
• High vacuum compatibility ensures leak-proof sealing in critical applications like semiconductor and aerospace equipment
• Precision thread engagement with Class 6g fit and coarse M3x0.5 mm threading for secure fastening and vibration resistance
• Optimized drive efficiency using 2.5 mm hex socket for high torque transmission and reduced tool slippage
• Global standard compliance with DIN 912/ISO 4762 specifications for consistent dimensional accuracy and interchangeability
• Environmental regulation adherence through RoHS 3 and REACH compliance for safe use in regulated industries

Professional Applications & Engineering Value

These silver-plated socket head cap screws deliver exceptional performance in demanding applications where corrosion resistance, high strength, and vacuum integrity are critical. The 18-8 stainless steel base material combined with silver plating provides superior protection against oxidation and chemical exposure, making these metric fasteners ideal for precision machinery, medical devices, and vacuum chamber assemblies. The fully threaded M3 design with coarse 0.5 mm pitch ensures rapid installation and secure clamping force distribution, while the hex socket drive enables high-torque tightening in confined spaces. Engineered to maintain structural integrity under continuous stress, these screws solve common industrial challenges of fastener failure, contamination risk, and maintenance downtime in high-performance engineering systems.

Specification Summary & Compliance

This M3 x 0.5 mm x 12 mm socket head cap screw maintains precise Class 6g thread tolerance according to metric standards, ensuring consistent fit with mating components. Manufacturing strictly adheres to DIN 912/ISO 4762 specifications for dimensional accuracy, including 5.5 mm head diameter and 3 mm head height. Regulatory compliance includes full conformance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental directives, guaranteeing restricted substance-free construction for global industrial applications.