S-94063A838 10-32 x 2" ASME B18.6.3 Tamper-Resistant Drilled Spanner Flat Head Screws
Tamper-Resistant Drilled Spanner Flat 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 with 18-8 Stainless Steel and passivated finish, ideal for harsh environments
- High tensile strength of 70,000 psi ensures reliable load-bearing capacity for demanding applications
- Precise Class 2A thread fit guarantees smooth assembly and secure fastening with minimal play
- Drilled spanner drive design provides secure tool engagement and reduces cam-out risk during installation
- Full threading along the 2" length offers maximum grip and adjustability in various material thicknesses
- Rockwell B70 hardness enhances durability and resistance to wear over repeated use
- Compliance with ASME B18.6.3, RoHS 3, and REACH ensures quality, safety, and environmental standards are met
Professional Applications & Engineering Value
This 10-32 UNF flat head screw is engineered to address critical challenges in industrial settings, such as vibration loosening and corrosion-induced failure. The 18-8 Stainless Steel material, combined with a passivated finish, provides exceptional resistance to moisture, chemicals, and oxidation, making it suitable for outdoor machinery, marine equipment, and food processing applications. The drilled spanner drive ensures high torque transmission without stripping, while the fine thread spacing and Class 2A fit deliver precise alignment and stability in assemblies. Fully threaded for versatility, it supports robust connections in heavy-duty fasteners used in automotive, aerospace, and construction projects, reducing maintenance needs and downtime.
Specification Summary & Compliance
This screw adheres to ASME B18.6.3 specifications, with a Class 2A thread fit and UNF thread type ensuring dimensional accuracy. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance for environmental safety, and features a standard 82° countersink angle for flush mounting. The manufacturing process guarantees consistent tensile strength (70,000 psi) and Rockwell B70 hardness for reliable performance in regulated industries.
