Slot Nuts
Industrial Castle Nuts & Slot Nuts | THREAD Cold-Formed Steel Fasteners
THREAD INDUSTRIAL CO., LTD. is a leading manufacturer of high-quality industrial fasteners, specializing in Castle Nuts and Slot Nuts. Produced through a precision cold-forming process, these nuts are crafted from various grades of durable carbon steel to ensure exceptional strength and reliability for demanding applications. Our product range covers metric sizes from M6 to M33 and imperial sizes from 1/4" to 1 1/4". With advanced manufacturing facilities in both Taiwan and Vietnam, we maintain a large production capacity and stringent quality control, backed by IATF 16949 certification, to meet the needs of our global clients.
Premium Castle & Slot Nuts for Industrial Applications
THREAD INDUSTRIAL CO., LTD. offers a comprehensive range of Castle Nuts and Slot Nuts, engineered for superior performance in automotive, machinery, and structural applications. Our commitment to quality is demonstrated through our vertically integrated manufacturing process, from raw material sourcing to final inspection.
Key Features & Manufacturing Capabilities
- Product Types: Castle Nuts, Slot Nuts, and a wide variety of other industrial nuts (Hex, Flange, Weld, Wheel, Conical, Locking).
- Manufacturing Process: Precision Cold Forming for enhanced durability and consistent dimensions.
- Material: High-grade carbon steel, selected for strength and longevity.
- Customization: Capable of producing custom parts based on client drawings and specifications.
Size Capabilities by Factory
Our dual-factory presence in Taiwan and Vietnam ensures a resilient supply chain and extensive production capacity to meet diverse volume requirements.
| Factory Location & Size Range | |
|---|---|
| Taiwan Factory | Metric: M6 - M33 Imperial: 1/4" - 1 1/4" |
| Vietnam Factory | Metric: M5 - M27 Imperial: 1/4" - 1" (#10 - 1") |
Quality Assurance
As an IATF 16949 and ISO 9001 certified manufacturer, we adhere to the strictest quality standards. Our in-house, TAF-accredited laboratory (ISO/IEC 17025) conducts rigorous testing to guarantee that every fastener meets international specifications and client requirements, making us a trusted supplier for the automotive industry and other critical sectors.
Slot Nuts Precision Cold-Formed Fastener
THREAD Industrial manufactures Slot Nuts for automotive, industrial equipment, construction, infrastructure, and machinery applications, with production support from Taiwan and Vietnam.
Product requirements can include international standards, customer drawings, metric or imperial sizes, carbon or alloy steel, defined strength classes, and application-specific surface treatment.
IATF 16949 and ISO 9001 systems, accredited laboratory testing, controlled production, and optical sorting help buyers source consistent fasteners for quality-critical and repeat-order programs.