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{"title":"M3\/M3.5\/M4\/#4-40\/#6-32\/#6-40\/#6-48\/#8-40 T10 Torx Oval Head Red Dot Screw Kit 12","imgUrl":"https:\/\/img.chinax.com\/nimg\/6a\/4b\/86bbeb2394305b60447b9d069bef-200x200-1\/m3_2fm3_5_2fm4_2f_234_40_2f_236_32_2f_236_40_2f_236_48_2f_238_40_t10_torx_oval_head_red_dot_screw_kit_12_9_grade_carbon_steel_blac.jpg","attrs":{"Brand Name":"KEMIFON","Packaging Details":"Standard Export Packaging","Minimum Order Quantity":"500 Pcs","Place of Origin":"Shenzhen, China"}}
{"title":"Countersunk Flat Head M3, M3.5, M4 #4-40, #6-32, #6-40, #6-48, #8-40 T10 Torx","imgUrl":"https:\/\/img.chinax.com\/nimg\/25\/83\/91f88f2fdad2fa9294c2c65967cb-200x200-1\/countersunk_flat_head_m3_2c_m3_5_2c_m4_234_40_2c_236_32_2c_236_40_2c_236_48_2c_238_40_t10_torx_red_dot_screw_assortment_kit_black_.jpg","attrs":{"Minimum Order Quantity":"500 Pcs","Place of Origin":"Shenzhen, China","Price":"0.95 USD","Delivery Time":"7-20 Days"}}
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.
Technical Specification
Product Name:#6-48 & #8-40 Screw Kit
Material:12.9 Grade Carbon Steel
Surface Treatment:Black Oxide (Blackening)
Drive Type:Torx T10
Head Style:Cylindrical Socket Cap
Head Dimensions:6.0mm OD × 2.8mm Height
Thread Standards:#6-48 UNC, #8-40 UNC
Lengths (including head):6mm, 8mm, 10mm, 12mm
Hardness:12.9 Grade (≥ 390 HV)
Tolerance:±0.02mm for dimensions, ISO metric thread standard
Flexible MOQ for both prototype and mass production orders
Design consultation for specialized fastening applications
Product Advantages
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.
Quality Control
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
FAQ
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.
