S-92224A268 1/4"-20 x 8" ASME B18.6.3 Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black oxide coating, ideal for humid or demanding industrial environments
• High tensile strength of 60,000 psi ensures reliable performance in heavy-duty applications
• Rockwell B70 hardness provides excellent durability and resistance to wear
• Partially threaded design allows for secure clamping while reducing material stress
• Class 2A thread fit offers consistent, reliable engagement with standard nuts
• Phillips drive with pan head enables easy installation and a clean, finished appearance
• Compliance with ASME B18.6.3 guarantees dimensional accuracy and interchangeability

Professional Applications & Engineering Value

These 1/4-20 x 8" black oxide steel screws with UNC coarse threads and Phillips pan head are engineered to address common industrial challenges. The black oxide coating provides essential corrosion protection, extending service life in machinery, construction, and outdoor equipment. With partial threading, they minimize stress concentration, making them ideal for assemblies requiring vibration resistance. The 60,000 psi tensile strength and Rockwell B70 hardness ensure they withstand high loads without failure, while the Class 2A thread fit ensures smooth installation and reliable fastening in industrial applications.

Specification Summary & Compliance

This screw features a 1/4"-20 UNC coarse thread with Class 2A thread fit for precise dimensional tolerance. It is manufactured in compliance with ASME B18.6.3 standards, ensuring consistent quality and performance. The product is also RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for industrial use.