
ISO 10642-2004 Hexagon Socket Flat Head Screws Metric & Inch Standard Thread Carbon Steel M3 M4 M6 Sizes. Customized OEM ODM Service: We provide customized OEM and ODM services for non-standard fasteners. Full-Process Quality Control: Equipped with spectrometers and hardness testers for complete quality assurance. ISO 9001 Certified Quality: Our quality system is certified to ISO 9001 standards. Fast Response Time: Technical feedback or quotation provided within 24 hours of receiving information. Mixed Fastener Support: Experienced in handling mixed fastener lists for engineering and project orders. Comprehensive Material Options: Available in Stainless Steel and Carbon Steel with various grades. Multiple Standard Compliance: Products comply with DIN, GB, ANSI, JIS, ISO, and ASME standards. Customized Finishes: Options include Natural Polished, Passivated, and Blackening.