S-90288A536 1/4"-20 x 3/8" Tamper-Resistant One-Way-Drive Stainless Steel Round Head Screws
Tamper-Resistant One-Way-Drive Stainless Steel Round Head 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 through 18-8 stainless steel construction and passivated finish, ensuring longevity in harsh environments
- High tensile strength of 80,000 psi provides reliable load-bearing capacity for demanding industrial applications
- Rockwell B96 hardness maintains structural integrity under repeated stress and vibration
- Fully threaded UNC coarse design enables faster installation and superior grip in various materials
- Class 2A thread fit ensures consistent, reliable engagement while accommodating standard manufacturing tolerances
- One-way drive style with rounded head offers tamper-resistant security while maintaining a smooth finished appearance
- Full regulatory compliance with RoHS 3 and REACH standards for safe use across global markets
Professional Applications & Engineering Value
Engineered for industrial assembly challenges, these 18-8 stainless steel rounded head screws deliver exceptional performance where corrosion resistance and security are paramount. The passivated finish creates an additional protective oxide layer, significantly extending service life in moisture-prone environments. With fully threaded UNC coarse threading and Class 2A fit, these fasteners provide rapid installation and reliable clamping force in machinery, electrical enclosures, and structural frameworks. The combination of 80,000 psi tensile strength and Rockwell B96 hardness ensures these screws maintain critical connections in high-vibration applications while the one-way drive style offers tamper-resistant security for public fixtures and regulated equipment.
Specification Summary & Compliance
This 1/4"-20 x 3/8" rounded head screw features UNC coarse threads with Class 2A thread fit per standard inch system requirements. Manufacturing conforms to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance standards, ensuring environmental safety and regulatory acceptance for industrial applications worldwide.
