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QPQ Surface Finishing High for 4140 Steel Precision CNC Machining Parts from Customized Drawings

Precision CNC Machining
November 03, 2025
Category Connection: Precision CNC Machining
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Tags:
#High Precision CNC Machining #CNC Machining Service #CNC Machined Parts
Brief: Discover our ISO9001 certified 4140 steel precision CNC machining service with QPQ surface finishing. Perfect for customized drawings, our process ensures exceptional accuracy with tolerances of +/-0.002~0.005mm. Trust our 100% inspection and quality assurance for durable, high-precision components.
Related Product Features:
  • High precision CNC machining service for 4140 steel components with QPQ surface finishing.
  • Tolerance accuracy of +/-0.002~0.005mm ensures exceptional precision.
  • Accepts various file formats including IGES, STEP, SolidWorks, PRT, and AutoCad.
  • Comprehensive inspection using CMM, Projector, Height Gauge, and more.
  • ISO9001:2015, SGS, and RoHs certified for quality assurance.
  • Lead time of 7~35 working days for efficient production.
  • Multiple payment options including MoneyGram, Western Union, T/T, D/P, and D/A.
  • Durable 4140 steel material with QPQ surface treatment for enhanced performance.
FAQs:
  • What materials are used in your CNC machining service?
    We use durable 4140 steel for our precision CNC machining service, ensuring high-quality and long-lasting components.
  • What surface treatments are available for the machined parts?
    Our service includes QPQ surface finishing, which enhances the durability and performance of the 4140 steel components.
  • What is the tolerance range for your CNC machining service?
    We achieve exceptional precision with tolerances ranging from +/-0.002mm to 0.005mm, ensuring high accuracy for your custom parts.
  • What quality certifications does your service have?
    Our CNC machining service is ISO9001:2015 certified, along with SGS and RoHs compliance, guaranteeing top-quality standards.
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