S-91772A621 5/16"-18 x 5/8" 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 mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing performance
- Optimized installation efficiency through Phillips No. 4 drive and UNC coarse threading for faster assembly
- Precise thread engagement with Class 2A thread fit ensuring consistent fastening in demanding applications
- Full-threaded design providing maximum grip length and uniform stress distribution
- Regulatory compliance assurance meeting ASME B18.6.3 standards for dimensional accuracy and performance
- Environmental responsibility with RoHS 3 and REACH compliance for sustainable manufacturing
Professional Applications & Engineering Value
These passivated 18-8 stainless steel pan head screws deliver critical performance advantages in industrial settings where corrosion resistance and mechanical reliability are paramount. The UNC coarse threading combined with Class 2A thread fit ensures rapid installation and secure fastening in equipment assembly, machinery manufacturing, and structural applications. The Phillips drive system with No. 4 size provides efficient torque transfer while the rounded pan head profile offers a finished appearance and reduced snagging risk. Engineered to withstand demanding conditions, these industrial fasteners maintain integrity in environments exposed to moisture, chemicals, and temperature variations, making them ideal for automotive, marine, and manufacturing applications where long-term performance is essential.
Specification Summary & Compliance
This 5/16"-18 x 5/8" stainless steel screw features precise UNC coarse threading with Class 2A thread fit tolerances and full threading along the 5/8" length. Manufactured in compliance with ASME B18.6.3 specifications for dimensional accuracy and mechanical properties. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring restricted substance compliance for global industrial applications.
