S-91294A460 M16 x 90 mm DIN 7991, ISO 10642 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with Class 10.9 high tensile strength (120,000 psi) for reliable performance in demanding applications
• Superior corrosion resistance provided by the black-oxide coating, extending service life in harsh industrial environments
• Optimized thread engagement with coarse 2mm pitch and Class 6g fit ensuring quick assembly and vibration resistance
• Maximum material hardness at Rockwell C32 for excellent wear resistance and durability under stress
• Full-length threading delivers consistent clamping force along the entire 90mm length for secure fastening
• Standardized flat head design with 90° countersink angle enables flush mounting in predrilled holes
• Hex drive compatibility with 10mm drive size for efficient installation using common industrial tools

Professional Applications & Engineering Value

These M16 flat head screws deliver critical engineering solutions for heavy-duty industrial applications where failure is not an option. The black-oxide alloy steel construction provides superior protection against corrosion while maintaining the Class 10.9 high tensile strength required for structural connections. The fully threaded design with coarse 2mm pitch ensures rapid installation and excellent vibration resistance in machinery, construction equipment, and automotive assemblies. The flat head profile with standard 90° countersink angle allows for flush mounting in predrilled holes, creating smooth surfaces while the hex drive facilitates high-torque installation without cam-out. These metric screws solve common industrial fastening challenges by combining maximum durability with standardized dimensions for reliable performance in critical applications.

Specification Summary & Compliance

Manufactured to precise metric dimensions with Class 6g thread fit tolerance ensuring proper engagement. Complies with DIN 7991/ISO 10642 standards for flat head screws, guaranteeing dimensional accuracy and performance consistency. Meets environmental regulations including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance. The Class 10.9 strength grade certification confirms the fastener's capability to withstand high tensile loads up to 120,000 psi while maintaining structural integrity.