S-94135A818 10-32 x 1/4" Tamper-Resistant Drilled Spanner Stainless Steel Truss Head Screws
Tamper-Resistant Drilled Spanner Stainless Steel Truss 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 industrial environments.
- High tensile strength of 70,000 psi ensures reliable performance under heavy loads and vibration.
- Wide truss head design provides enhanced load distribution and prevents surface damage during installation.
- Drilled spanner drive allows for secure tool engagement and tamper-resistant fastening in critical assemblies.
- Class 2A thread fit guarantees precise, smooth installation with reduced risk of cross-threading.
- Fully threaded shank offers maximum grip length and consistent holding power across the entire fastener.
- Compliance with RoHS 3 and REACH ensures environmental safety and regulatory acceptance in global markets.
Professional Applications & Engineering Value
Engineered for demanding applications, these 10-32 UNF rounded truss head screws address common industrial challenges such as material fatigue and corrosion. The 18-8 stainless steel construction, combined with a passivated finish, significantly extends service life in moist or chemically aggressive settings, reducing maintenance costs. The wide truss head minimizes pull-through on soft materials, while the fine thread spacing and Class 2A fit ensure vibration resistance and reliable clamping force in machinery, electronics, and automotive assemblies. These features make them a trusted choice for engineers seeking durability and compliance in high-performance fastening solutions.
Specification Summary & Compliance
This screw adheres to UNF thread standards with a Class 2A thread fit for consistent dimensional accuracy. It is manufactured from 18-8 stainless steel with a passivated finish, achieving a tensile strength of 70,000 psi and Rockwell B87 hardness. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety requirements for industrial use.
