S-94135A824 1/4"-20 x 3/4" Tamper-Resistant Drilled Spanner Stainless Steel Truss Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh environments
• Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B87 hardness for reliable load-bearing applications
• Secure and tamper-resistant installation via the drilled spanner drive (No. 14), preventing slippage during tightening
• Optimized thread engagement with UNC coarse threading and Class 2A fit, ensuring quick assembly and vibration resistance
• Enhanced load distribution thanks to the wide truss head design, reducing surface pressure and material damage
• Full threading along the 3/4" length for maximum grip and adjustability in various material thicknesses
• Compliance with environmental regulations including RoHS 3 and REACH, supporting sustainable and safe manufacturing practices

Professional Applications & Engineering Value

Engineered for demanding industrial settings, this 1/4-20 UNC rounded truss head screw addresses critical fastening challenges. The 18-8 stainless steel material, combined with a passivated finish, provides excellent resistance to corrosion and chemical exposure, making it suitable for outdoor machinery, marine equipment, and food processing plants. The drilled spanner drive ensures secure torque application, minimizing the risk of tool slippage and head stripping in high-vibration environments like automotive assemblies or conveyor systems. Its coarse UNC threading and Class 2A fit facilitate rapid installation while maintaining strong holding power, reducing assembly time and maintenance costs. This fastener is ideal for applications requiring durable, corrosion-resistant connections that withstand heavy loads and harsh conditions.

Specification Summary & Compliance

This screw adheres to precise dimensional standards, including UNC coarse threads with a Class 2A thread fit for consistent accuracy and ease of use. It is manufactured from 18-8 stainless steel with a passivated surface treatment to enhance durability. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets strict environmental and safety requirements for industrial components.