tianhong Customized High-quality multi-series hex socket bolts
High-quality multi-series bolts including carriage bolts, hex socket carriage bolts, hex socket cylinder head screws and torx cylinder head hollow...
High-precision cross recessed countersunk screws with various tail designs (cutting, sharp, drill), featuring flush mounting, strong holding force, easy installation, and wide compatibility for multiple industrial applications.
This series includes four types of cross recessed countersunk screws, designed for flush surface mounting to avoid protrusions. With different tail structures, they realize self-tapping, drilling and fastening functions respectively, suitable for electric meters, electronics, auto parts and renewable energy industries. Made of high-quality materials, they ensure stable performance and long service life, supporting customized specifications to meet diverse needs.
| System of Measurement | Inch, Metric |
| Material | Stainless Steel, Carbon Steel, Steel, Brass, Iron, Aluminum |
| Thread Size | Metric: M1-M16; or customized |
| Head Type | Pan Head, Hex Head, Slotted Head, Torx Head, One-Way Head, Step Head, Flat Head, Large Head |
| Surface Finishing | Zinc Plating, Nickel Plating, Black Oxide, Dacromet |
| Production Process: | Cold Heading, Cold Forging，Cold Forming |
| Standard | ISO, JIS, GB, ANSI, BSW, DIN, Non-standard customized |
| Grade | 4.8, 6.8, 8.8, 12.9, etc |
| Brand | TNHO |
| Application | Electric Meter, Electrical, Electronic, Auto Parts, Renewable Energy Industry, etc. |
1.Flush Mounting Design: Countersunk head can be fully embedded into the connected parts, ensuring surface flatness, no protrusions, and avoiding scratches or interference with other components.
2.Diversified Tail Functions: Cutting tail, sharp tail and drill tail options meet different installation needs; drill tail realizes one-step drilling, tapping and locking, saving construction time significantly.
3.High Quality & Durability: Selected premium materials and strict surface treatment effectively prevent rust and corrosion, ensuring stable fastening force and long service life.
4.Easy Installation: Cross recessed design fits standard screwdrivers and electric tools, enabling labor-saving and efficient operation, with no need for pre-drilling for most models.
5.Strong Compatibility: Multiple materials, specifications and standards available, supporting customization to adapt to various industrial scenarios.
Professional Manufacturer
Zhejiang Tianhong Fasteners Co., Ltd. is a professional enterprise specializing in the R&D, production and sales of fasteners, with rich industry experience and mature production technology.
Advanced Production Capacity
Equipped with advanced cold heading, cold forging and cold forming equipment, ensuring high production efficiency and stable product precision.
Strict Quality Control
Implement strict quality inspection standards throughout the production process, from raw material selection to finished product delivery, to ensure each product meets international standards.
Customization Service
Provide flexible non-standard customization services according to customers’ specific requirements for thread size, material, surface finishing and other parameters.
Reliable Brand & Service
Adhere to the brand concept of TNHO, focus on product quality and customer satisfaction, providing timely and professional pre-sales consultation and after-sales service.
