Custom 12.9 Grade Black Oxide Torx Socket Cap Screw Set, #6-48 & #8-40 UNC with T10 L-Wrench

Our high-performance 12.9 grade carbon steel torx socket cap screw set is engineered for demanding fastening applications. This kit includes two popular UNC thread sizes: #6-48 and #8-40, each available in four lengths (6mm, 8mm, 10mm, 12mm) with 6 pieces per length, totaling 48 screws. The black oxide finish provides corrosion resistance and a clean, durable appearance, while the T10 torx drive ensures secure, cam-out-free tightening. Each screw features precision-cut threads and tight dimensional tolerances for reliable performance. As a dedicated fastener manufacturer, we offer full custom service and OEM support to meet your unique design requirements for industrial, electronic, and mechanical assembly projects.

• Electronic equipment assembly
• Industrial machinery and automation equipment
• Automotive and motorcycle components
• Communication and networking devices
• Medical and laboratory equipment
• Robotics and automation systems
• Furniture and cabinet hardware
• Precision tooling and fixture assembly

As a professional fastener manufacturer, we provide comprehensive custom solutions for your fastening needs:

• Custom thread sizes, lengths, and head styles (UNC, UNF, metric, etc.)
• OEM & ODM support with custom packaging and labeling
• Custom materials (carbon steel, stainless steel, alloy steel)
• Custom surface treatments (black oxide, zinc plating, nickel plating, passivation)
• Flexible MOQ for both prototype and mass production orders
• Design consultation for specialized fastening applications

• High Tensile Strength: 12.9 grade carbon steel offers exceptional load-bearing capacity, preventing stripping or failure in high-stress applications.
• Anti-Cam-Out Design: T10 torx drive ensures positive engagement with tools, reducing slippage and damage to screw heads during installation.
• Corrosion Resistance: Black oxide finish provides durable protection against rust and oxidation, extending service life in various environments.
• Precision Fit: Tight thread tolerances ensure smooth assembly and secure locking, eliminating loose connections in dynamic applications.
• Convenient Kit Packaging: Organized set with matching T10 wrench saves time and reduces the risk of lost or mismatched fasteners.
• Custom Flexibility: Our in-house manufacturing allows for tailored specifications to meet your exact application requirements, avoiding compatibility issues.

• 100% dimensional inspection with precision measuring tools
• Material composition and hardness verification via third-party testing
• Thread pitch and fit inspection using gauges
• Surface finish and black oxide quality checks
• Torque and tensile strength testing for 12.9 grade performance
• Batch consistency verification for mass orders
• Compliance with ISO 9001 quality standards

• Can you customize the thread sizes, lengths, or head styles of these screws?

  Yes, we offer full custom service for UNC, UNF, metric, and specialty thread sizes, with tailored lengths, head designs, and surface treatments to match your requirements. OEM orders are welcome.

• What materials are available for custom fasteners?

  We provide 12.9 grade carbon steel, stainless steel, alloy steel, and other specialty materials based on your application’s strength, corrosion resistance, and budget needs.

• Do you offer custom packaging or labeling for bulk orders?

  Yes, we can customize packaging, labels, and assortments to meet your branding and distribution requirements.

• What is the lead time for custom fastener orders?

  Sample orders take 7–12 days, and mass production orders take 15–30 days depending on quantity and specifications.

• Are the black oxide screws suitable for outdoor or high-humidity environments?

  Black oxide offers moderate corrosion resistance; for harsher conditions, we can provide zinc plating or other protective coatings as part of our custom service.