S-91772A542 1/4"-20 x 1" ASME B18.6.3 Stainless Steel Pan Head Phillips Screws
Stainless Steel Pan Head Phillips Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments
- Exceptional tensile strength of 70,000 psi ensures reliable performance under heavy loads and vibration
- Optimized drive engagement with No. 3 Phillips drive for efficient installation and reduced cam-out risk
- Full-length UNC coarse threading provides maximum grip and faster assembly in various materials
- Precise Class 2A thread fit guarantees consistent engagement and secure fastening in production applications
- Rockwell B70 hardness maintains structural integrity and prevents thread deformation during repeated use
- Comprehensive regulatory compliance meets ASME B18.6.3, RoHS 3, and REACH standards for global supply chain compatibility
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these Pan Head Phillips machine screws deliver critical performance advantages in machinery assembly, electrical enclosures, and structural frameworks. The passivated 18-8 stainless steel construction provides excellent resistance to oxidation and chemical exposure, significantly extending service life in corrosive environments. The combination of UNC coarse threading and full-length threads ensures rapid installation and superior pull-out resistance in both metallic and composite materials. With a No. 3 Phillips drive offering balanced torque transmission, these screws reduce installation time while maintaining precise alignment in high-volume production settings. Their 70,000 psi tensile strength makes them suitable for vibration-prone applications where fastener integrity is paramount.
Specification Summary & Compliance
These 1/4"-20 x 1" machine screws feature precision Class 2A thread fit with UNC coarse thread pattern, manufactured to ASME B18.6.3 dimensional standards. The passivated 18-8 stainless steel construction meets Rockwell B70 hardness requirements and provides consistent mechanical properties. Regulatory compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring suitability for international industrial markets and restricted substance regulations.
