S-95345A555 8-32 x 1 1/4" 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 vibration resistance with integrated external-tooth lock washer that maintains clamping force in high-stress environments
- Excellent corrosion protection through 18-8 stainless steel construction and passivated finish for extended service life
- High tensile strength of 70,000 psi ensures reliable performance in demanding industrial applications
- Quick installation and removal with Phillips No. 2 drive and standard pan head design
- Secure fastening achieved through Class 2A thread fit and UNC coarse threading for optimal engagement
- Complete thread coverage with fully threaded design provides maximum holding power along the entire length
- Regulatory compliance meets ASME B18.13 specifications and environmental standards including RoHS 3 and REACH
Professional Applications & Engineering Value
These 18-8 stainless steel screws with integrated external-tooth lock washers address critical vibration-induced loosening challenges in industrial equipment, machinery, and automotive assemblies. The passivated finish enhances corrosion resistance in harsh environments, while the UNC coarse threads and Class 2A fit ensure precise engagement and reliable performance. The combination of 70,000 psi tensile strength and fully threaded design provides superior clamping force distribution, making these Phillips pan head screws ideal for applications requiring maintained fastener integrity under dynamic loads and thermal cycling conditions.
Specification Summary & Compliance
Manufactured to ASME B18.13 specifications with Class 2A thread fit tolerance and UNC coarse threading. Features include 8-32 thread size, 1-1/4" length, and fully threaded construction. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The external-tooth lock washer is manufactured from 410 stainless steel with passivated finish, ensuring compatibility with the screw material for optimal corrosion resistance and locking performance.
