S-95345A609 1/4"-20 x 1" ASME B18.13 Stainless Steel Pan Head Phillips Screws with External-Tooth Lock Washer
Stainless Steel Pan Head Phillips Screws with External-Tooth Lock Washer
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Washer & Nut
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments.
- Reliable vibration resistance through the integrated 410 stainless steel external-tooth lock washer, preventing loosening under dynamic loads.
- High tensile strength of 70,000 psi ensures dependable performance in demanding applications requiring robust fastening.
- Quick and secure installation with fully threaded UNC coarse spacing and Phillips No. 3 drive for efficient assembly.
- Consistent dimensional accuracy with Class 2A thread fit, providing reliable engagement and interchangeability.
- Broad compliance assurance meeting ASME B18.13 specifications, RoHS 3, and REACH regulations for global industrial use.
- Enhanced load distribution from the rounded pan head design, reducing surface pressure and material stress.
Professional Applications & Engineering Value
Engineered for industrial and commercial applications, this 18-8 stainless steel rounded head screw with an external-tooth lock washer addresses critical challenges like vibration-induced loosening and corrosion. The passivated finish significantly enhances durability in moist or chemically aggressive settings, while the UNC coarse thread and fully threaded design enable rapid installation and strong holding power in various substrates. Its 70,000 psi tensile strength and Phillips drive ensure it withstands high-stress conditions, making it ideal for machinery, automotive assemblies, and structural frameworks where reliability is paramount.
Specification Summary & Compliance
This screw features a 1/4"-20 UNC thread with Class 2A fit for precise tolerance, and includes a lock washer with 0.51" OD. It complies with ASME B18.13 standards, ensuring manufacturing consistency, and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations for environmental and safety requirements.
