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...
Terminal screws are widely used in electric meters, junction boxes, circuit breakers and electrical equipment.They feature stable contact, reliable wiring and good conductivity, with slotted, 11-slot, Phillips-11-slot drive types, flat head and pan head styles. Available in carbon steel, stainless steel and brass, they ensure firm connection, anti-loosening and long service life under electrical working conditions.
Zhejiang TNHO fasteners specialize in manufacturing high-precision terminal screws for electrical meters, junction boxes, terminals and electrical equipment. Our products include slotted, 11-slot and Phillips-11-slot drive types with pan head and flat head designs. They feature excellent conductivity, stable clamping force, reliable anti-loosening performance and long service life, widely used in electric power, electronics, automotive and renewable energy industries.
| System of Measurement | Inch, Metric |
| Material | Stainless Steel, Carbon Steel, Steel, Brass, Iron, Aluminum |
| Thread Size | Metric: M1–M16; Customizable |
| 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.High-precision thread design: Ensures tight connection and stable electrical conductivity for reliable wiring performance.
2. Multiple drive types: Available in slotted, 11-slot and Phillips-11-slot drives for flexible installation and anti-tamper requirements.
3. Stable performance: Strictly follow ISO/GB/DIN standards, with complete grade control for consistent quality.
4. Mature Manufacturing process: Cold heading & cold forging production ensures high strength and stable batch consistency.
5. Wide material selection: Brass, carbon steel and stainless steel options to meet different conductivity and strength needs.
Complete terminal screw series
One-stop supply of flat head, pan head, slotted, 11-slot, set screws and special terminal screws.
Mature cold forming process
Professional cold heading & cold forging production, stable quality and high consistency in batch.
Flexible customization
Support custom size, material, surface treatment, head type and non-standard design.
Mature Manufacturing
Comply with international standards (ISO, DIN, GB, ANSI), stable performance for electrical industry.
Authoritative certifications
ISO 9001, ISO 14001, ISO 45001 and IATF 16949 certified, ensuring reliable quality management.
Professional service
Fast quotation, on-time delivery, OEM & ODM acceptable, long-term cooperation support.
