S-96562A544 1/4"-20 x 1 1/4" ASME B18.6.3 Thread-Locking Stainless Steel Pan Head Phillips Screws
Thread-Locking Stainless Steel 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
- Permanent vibration resistance with nylon patch thread locker that maintains secure fastening even under extreme conditions
- Superior corrosion resistance thanks to 18-8 stainless steel construction and passivated surface finish
- High-strength performance with 60,000 psi tensile strength and Rockwell B70 hardness for demanding applications
- Wide temperature tolerance from -70° to 250°F ensures reliable performance across diverse operating environments
- Easy installation and removal with Phillips No. 3 drive and standard pan head design
- Secure coarse thread engagement through UNC 1/4"-20 threading with Class 2A fit for consistent fastening
- Full thread coverage along the entire 1-1/4" length provides maximum grip and load distribution
Professional Applications & Engineering Value
These nylon patch locking pan head screws deliver critical vibration resistance for industrial equipment, machinery, and automotive assemblies where loosening under dynamic loads poses significant safety risks. The 18-8 stainless steel construction combined with passivated finish provides exceptional corrosion resistance in harsh environments, while the UNC coarse threads with Class 2A fit ensure rapid installation and reliable engagement in various materials. The permanent nylon patch thread locker eliminates the need for additional locking components, streamlining assembly processes while maintaining clamping force from -70° to 250°F. These fully threaded screws with Phillips drive are engineered for applications requiring consistent performance in vibration-prone environments where maintenance access may be limited.
Specification Summary & Compliance
This 1/4"-20 x 1-1/4" pan head screw features UNC coarse threading with Class 2A fit tolerance and right-hand thread direction. Manufactured to ASME B18.6.3 specifications with complete compliance to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations. The screw achieves 60,000 psi tensile strength with Rockwell B70 hardness and includes permanent nylon patch locking technology that functions across the specified temperature range of -70° to 250°F.
