S-92224A236 1/4"-20 x 4" 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 black oxide steel finish, extending service life in harsh industrial environments
- Exceptional holding power from 60,000 psi tensile strength, ensuring reliable fastening in demanding applications
- Optimized thread engagement with UNC coarse threading and Class 2A fit, providing secure installation and vibration resistance
- Enhanced drive stability through Phillips No. 3 drive system, reducing cam-out during high-torque applications
- Full-length threading for maximum grip along the entire 4" length, offering versatile fastening solutions
- Consistent performance with Rockwell B70 hardness, maintaining structural integrity under repeated stress
- Regulatory compliance with ASME B18.6.3, RoHS 3, and REACH standards, ensuring safety and environmental responsibility
Professional Applications & Engineering Value
This black oxide steel Phillips pan head screw delivers critical engineering advantages for industrial assembly and construction applications. The combination of UNC coarse threading and Class 2A thread fit ensures rapid installation with reduced cross-threading risk, while the fully threaded design provides maximum clamping force across the entire 4" length. The black oxide surface treatment creates a protective barrier against moisture and chemicals, significantly enhancing corrosion resistance in demanding environments like outdoor equipment, machinery frames, and structural assemblies. With 60,000 psi tensile strength and Rockwell B70 hardness, this fastener maintains integrity under vibration and dynamic loads, making it ideal for automotive, manufacturing, and heavy equipment applications where reliability is paramount.
Specification Summary & Compliance
This 1/4"-20 x 4" pan head screw features precision UNC coarse threads with Class 2A tolerance for consistent fit and performance. Manufactured to ASME B18.6.3 specifications for dimensional accuracy and mechanical properties. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial sectors.
