Upgrade your high-demand fastening solutions with our 2205/310S Stainless Steel DIN912 Extra Long Knurled Hex Socket Cylindrical Cup Head Screws—engineered for extreme corrosion resistance, high-temperature endurance, and reliable deep-reach fastening. Compliant with international DIN912 standards, these screws combine dual premium stainless steel properties with a practical knurled design, making them ideal for harsh industrial environments, heavy-duty machinery, and precision assembly tasks.
Core Features & Benefits
2205/310S Dual Premium Stainless Steel
Crafted from 2205 duplex and 310S austenitic stainless steel, these screws offer superior performance. 2205 delivers exceptional strength and corrosion resistance, while 310S excels in high-temperature (up to 1150°C) and oxidizing environments, adapting to diverse harsh working conditions.
DIN912 Standard for Universal Compatibility
Strictly manufactured to DIN912 specifications, ensuring consistent dimensional accuracy and global interchangeability. Seamlessly fits cross-border industrial projects, heavy-duty machinery maintenance, and precision assembly, eliminating compatibility issues for professional buyers.
Extra Long Design for Deep-Reach Needs
The extra-long structure caters to fastening requirements of thick components, deep-hole assemblies, and layered mechanical parts. Eliminates the need for additional extension tools, streamlining installation workflows and ensuring secure connections in hard-to-reach areas.
Knurled & Hex Socket Cup Head Design
Knurled surface enhances torque transmission, preventing tool slippage during installation for efficient operation. Hex socket drive enables stable tool engagement and precise torque control, while the cylindrical cup head ensures a neat, secure fit in tight spaces.
Wide Harsh-Environment Applications
Perfect for chemical processing equipment, high-temperature furnaces, marine engineering, oil & gas machinery, and heavy-duty industrial frames. The dual-material advantage and robust design make it a reliable choice for demanding corrosion and high-heat scenarios.
