S-94070A537 1/4"-20 x 1/2" ASME B18.6.3 Brass Pan Head Phillips Screws
Brass Pan Head Phillips Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with brass construction, ideal for harsh industrial environments and electrical applications
- High tensile strength of 50,000 psi ensures reliable, long-lasting fastening under demanding mechanical loads
- Rockwell B40 hardness provides excellent durability and resistance to wear and deformation
- Class 2A thread fit with UNC coarse threading offers easy assembly and secure holding power
- No. 3 Phillips drive enables efficient installation with common tools, reducing assembly time
- Fully threaded design maximizes grip and load distribution across the entire fastener length
- Pan head profile combines low-profile aesthetics with practical bearing surface for various applications
Professional Applications & Engineering Value
This 1/4"-20 brass pan head machine screw delivers exceptional performance in demanding industrial settings where corrosion resistance and electrical conductivity are critical. The brass material prevents rust and galvanic corrosion, making it ideal for marine, plumbing, and electrical enclosures. The UNC coarse thread with Class 2A fit ensures quick installation and reliable performance in vibration-prone applications. With 50,000 psi tensile strength and Rockwell B40 hardness, it maintains integrity under mechanical stress while the Phillips drive facilitates efficient assembly in automated or manual production lines. These fully threaded screws provide consistent clamping force across the entire engagement length, solving common fastening challenges in machinery, electronics, and precision equipment.
Specification Summary & Compliance
This machine screw features precise 1/4"-20 UNC coarse threads with Class 2A thread fit tolerance for consistent performance. Manufacturing complies with ASME B18.6.3 specifications for dimensional accuracy and quality. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting international environmental and safety standards for industrial use.
