S-93310A725 8-32 x 1" MIL-DTL-18240 Thread-Locking Stainless Steel Button Head Hex-Drive Screws
Thread-Locking Stainless Steel Button Head Hex-Drive 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
- Vibration-resistant locking with permanent nylon patch that maintains secure fastening in temperatures from -70° to 250°F
- Superior corrosion resistance through 18-8 stainless steel construction for long-lasting performance in harsh environments
- High-strength reliability with 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications
- Precise thread engagement with Class 3A thread fit ensuring consistent, secure connections
- Easy installation and removal with 3/32" hex drive design for efficient maintenance access
- Full thread coverage along the entire 1" length for maximum grip and load distribution
- Regulatory compliance meeting MIL-DTL-18240 specifications and environmental standards including RoHS 3 & REACH
Professional Applications & Engineering Value
These 8-32 UNC coarse thread screws with nylon patch thread locking provide critical vibration resistance in industrial machinery, electronic enclosures, and automotive assemblies where loosening under dynamic loads poses significant reliability risks. The 18-8 stainless steel composition offers exceptional corrosion resistance, making these rounded head screws ideal for applications exposed to moisture, chemicals, or outdoor elements. The Class 3A thread fit ensures precise mating with corresponding nuts and threaded holes, while the fully threaded design maximizes engagement strength across the entire fastener length. The hex drive configuration allows for efficient installation in confined spaces, reducing assembly time while maintaining the integrity of critical connections in vibration-prone environments.
Specification Summary & Compliance
Manufactured to exacting Class 3A thread fit standards with UNC coarse threading (8-32 size) and full compliance with MIL-DTL-18240 specifications. These rounded head screws feature precise dimensional control with 1" length, 0.312" head diameter, and 3/32" hex drive. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring suitability for global industrial applications requiring restricted substance control.
