Blind nuts - Special injection-molded components for embedding, and precision machined accessories

Practical Products

CNC Production & Processing Features

Common CNC Machining Issues & Key Points

• High-hardness material machining:

   

  High hardness of mold steel easily causes tap wear, chipping and incomplete thread profiles. Use carbide-coated taps, reduce cutting speed, increase coolant flow, avoid built-up edge and surface scratches to ensure thread accuracy.
   
• Deep-hole machining:

   

  Deep holes (depth > 10×diameter) for injection mold insert nuts tend to have wall deflection, poor chip removal and incomplete internal threads. Use center drill positioning, step drilling + tapping with high-pressure coolant to ensure accuracy and thread integrity.
   
• Non-standard thread machining:

   

  Non-standard internal threads often have irregular profiles and lead errors. Custom special taps, strictly control processing parameters, and conduct go/no-go gauge inspection to ensure precise matching with non-standard bolts and avoid loose fitting.
   
• Positioning accuracy:

   

  Machining deviations of locating surfaces cause assembly misalignment; eccentricity between threads and locating surfaces weakens locking effect. Finish-mill locating surfaces, control flatness and perpendicularity, inspect positioning accuracy and coaxiality to prevent mold jamming and fixture clamping errors.
   

I. Core Advantages of CNC Nuts for Manufacturers

• High precision: Micron-level dimensional control, accurate coaxiality of internal threads and outline, suitable for high-precision applications.
• Strong non-standard capability: Machining of special-shaped, miniature and multi-structure composite nuts; custom non-standard internal threads to meet customized requirements.
• Excellent consistency: Multi-process one-step forming, small dimensional deviation in mass production, stable thread precision, suitable for automated assembly.
• Wide material compatibility: Machinable stainless steel, titanium alloy, aluminum alloy, mold steel and other materials for various working conditions.
• Superior surface quality: High-precision polishing, wire drawing, coloring and other finishes; internal threads burr-free and smooth, combining performance and appearance.

II. Core Advantages of CNC Nuts for End Users

• Smooth assembly: Precise, burr-free internal threads; tight fit with bolts, no jamming, slipping or loosening during assembly/disassembly.
• High reliability: High strength, wear and corrosion resistance; stable locking force, no loosening or failure in long-term use.
• Strong adaptability: Suitable for extreme environments (high/low temperature, humidity) and high-frequency applications; compatible with various bolt specifications.
• Upgraded experience: Exquisite appearance and good hand feel, combining practicality and aesthetics; some hidden structures improve product appearance.
• Controllable cost: Long service life, reduced maintenance and replacement frequency, lower long-term cost, improved assembly and operation efficiency.

We have introduced advanced equipment and technology from Japan and Germany (CNC 5-axis and 6-axis machines) to better serve our customers' needs.

Our maximum processing outer diameter is 60, and the minimum control tolerance is 0.001. We have Japanese CNC Tsugami, CNC Citizen, multi-station cold extrusion forming machines, 500T press machines, casting equipment, and various process equipment, which can effectively provide customers with the best technical solutions.

Our company has a total of 300 employees, including 20 technicians, 10 engineers, and 15 quality control personnel. We have over 300 pieces of equipment.

Our company implements 8S management and has passed ISO9001 and TS16949 automotive certifications.

Our customers include , bo-sch, Foxconn, Motors, Husqvarna, Shimano, NVIDIA, DJI Drones, Siegenia, and Cater-pillar.