S-90272A583 5/16"-18 x 1" ASME B18.6.3 Steel Pan Head Phillips Screws
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 zinc-plated steel construction for extended service life in harsh environments
- High-torque installation capability through Phillips No. 4 drive design preventing cam-out during assembly
- Excellent load-bearing performance with 60,000 psi tensile strength and Rockwell B70 hardness for demanding applications
- Reliable thread engagement with UNC coarse threads and Class 2A fit ensuring secure fastening in various materials
- Optimized head design featuring rounded pan profile for reduced surface protrusion and improved aesthetics
- Full-thread coverage along the 1" length providing maximum grip strength and vibration resistance
- Regulatory compliance assurance meeting ASME B18.6.3, RoHS 3, and REACH standards for global industrial use
Professional Applications & Engineering Value
This zinc-plated steel rounded head screw delivers exceptional engineering value across industrial applications where corrosion resistance and structural integrity are paramount. The combination of UNC coarse threading and Class 2A thread fit ensures rapid installation and reliable performance in metal assemblies, electrical enclosures, and machinery components. The Phillips drive system with No. 4 size provides efficient power transfer during high-volume assembly operations, while the rounded pan head design offers a clean finished appearance with reduced snagging hazards. With 60,000 psi tensile strength and complete threading, this fastener maintains clamping force under vibration and dynamic loads, making it ideal for automotive, construction, and manufacturing applications requiring durable, compliant fastening solutions.
Specification Summary & Compliance
This industrial screw features precise 5/16"-18 UNC coarse threads with Class 2A tolerance for consistent fit and performance. Manufactured to ASME B18.6.3 specifications with Rockwell B70 hardness and 60,000 psi tensile strength. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.
