S-90288A190 8-32 x 1/4" ASME B18.6.3 Tamper-Resistant One-Way-Drive Stainless Steel Round Head Screws
Tamper-Resistant One-Way-Drive Stainless Steel Round Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance from 18-8 stainless steel and passivated finish, ensuring long-term reliability in harsh environments.
- High tensile strength of 80,000 psi provides secure, vibration-resistant fastening for demanding industrial applications.
- Class 2A thread fit with UNC coarse threading enables quick, easy installation and reduces cross-threading risks.
- Fully threaded design offers consistent grip and load distribution along the entire 1/4" length.
- Rockwell B96 hardness maintains structural integrity under mechanical stress and repeated use.
- Compliance with ASME B18.6.3 guarantees precise dimensional accuracy and interchangeability.
- RoHS 3 and REACH compliance ensures environmental safety and regulatory adherence for global supply chains.
Professional Applications & Engineering Value
These 8-32 UNC rounded head screws are engineered to address common industrial fastening challenges, such as corrosion-induced failure and assembly inefficiency. The 18-8 stainless steel construction, combined with a passivated finish, provides exceptional resistance to oxidation and chemical exposure, making them ideal for machinery, electrical enclosures, and outdoor equipment. The coarse thread spacing and Class 2A thread fit facilitate rapid installation in various materials, reducing labor time while maintaining a secure hold. With a rounded head design and one-way drive style, they offer tamper-resistant benefits in security-sensitive applications, ensuring reliable performance in automotive, aerospace, and manufacturing sectors where durability and compliance are critical.
Specification Summary & Compliance
This screw meets ASME B18.6.3 specifications for dimensional standards, featuring a Class 2A thread fit with UNC coarse threads, 1/4" length, and full threading. It is manufactured from 18-8 stainless steel with a passivated finish, achieving 80,000 psi tensile strength and Rockwell B96 hardness. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for international industrial use.
