S-91781A146 6-32 x 3/8" ASME B18.6.3 Stainless Steel Slotted Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish for extended service life in harsh environments
• Reliable high-strength performance delivering 80,000 psi tensile strength and Rockwell B80 hardness for demanding applications
• Precision thread engagement with Class 2A UNC coarse threads ensuring consistent fit and vibration resistance
• Optimal flush mounting featuring standard 82° countersink angle for seamless surface integration
• Full threading capability providing maximum grip length and load distribution across the entire fastener
• Industry-standard compliance meeting ASME B18.6.3 specifications for guaranteed dimensional accuracy
• Environmental responsibility with RoHS 3 and REACH compliance for sustainable manufacturing practices

Professional Applications & Engineering Value

Engineered for precision industrial applications, these 6-32 UNC flat head slotted screws solve critical fastening challenges where surface flushness and corrosion resistance are paramount. The 18-8 stainless steel material combined with passivated finish provides exceptional protection against chemical exposure and atmospheric corrosion, making them ideal for electronic enclosures, machinery panels, and automotive assemblies. The fully threaded design ensures maximum thread engagement in thin materials, while the standard 82° countersink angle guarantees proper seating in chamfered holes. These slotted flat head screws deliver reliable performance in vibration-prone environments, maintaining secure connections through thermal cycling and mechanical stress.

Specification Summary & Compliance

This 3/8" length flat head screw features precise Class 2A thread fit with UNC coarse thread spacing and 0.138" thread diameter per ASME B18.6.3 manufacturing standards. The fastener maintains dimensional accuracy with right-hand thread direction and standard flat head profile. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring adherence to international safety and sustainability requirements for industrial components.