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Stainless Steel Allen Driver Flat Head Screw DIN7991/ Hex Socket Countersunk Head Machine Screw

Mechanical Fasteners
December 18, 2025
Category Connection: Mechanical Fasteners
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Tags:
#mechanical fixings #metal fasteners #metal hardware
Brief: Need quick answers about practical use? This video highlights the essentials. Watch as we demonstrate the DIN7991 Stainless Steel Allen Driver Flat Head Screw, showcasing its countersunk head design, various material grades, and international standards compliance for industrial applications.
Related Product Features:
  • Manufactured from durable stainless steel options including SS304, SS316, and SS316L for superior corrosion resistance.
  • Features a flat head design with hex socket drive according to DIN 7991 standard for flush installation.
  • Available in multiple strength grades including A2-70, A2-80, A4-70, and A4-80 to meet various load requirements.
  • Complies with international standards DIN, ASME, ANSI, and ISO for global compatibility.
  • Offers metric sizing from M2 to M100 with lengths ranging from 5mm to 300mm.
  • Provides multiple finish options including plain, polished, and passivation for different aesthetic and functional needs.
  • Suitable for building industry machinery applications requiring reliable fastening solutions.
  • Backed by ISO9001:2015 certification ensuring consistent quality and manufacturing standards.
Faqs:
  • What materials are available for these hex socket flat head screws?
    These screws are manufactured from various stainless steel grades including SS210, SS304, SS316, SS316L, and SS410, providing excellent corrosion resistance and durability for different environmental conditions.
  • What international standards do these screws comply with?
    Our DIN7991 screws comply with multiple international standards including DIN, ASME, ANSI, and ISO, ensuring global compatibility and reliability for industrial applications worldwide.
  • What strength grades are available for these machine screws?
    We offer various strength grades including A2-70, A2-80, A4-70, and A4-80 to meet different mechanical requirements and load-bearing applications in machinery and construction.
  • What packaging and delivery options are available?
    We provide professional packaging with plastic bags, cartons, and wood pallets, with prompt shipment from Shanghai port and comprehensive documentation for international trade.
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