Precision Clamping for Timing Solenoids and Actuators
To maintain precise engine timing and optimal fuel economy, variable valve timing solenoids and phasers must be secured with an ultra-reliable VVT screw that resists loosening under high vibration. We manufacture this high-precision VVT screw with exceptional thread finish and strict dimensional tolerances to ensure stable clamp load and prevent micro-leakage of engine oil. By utilizing advanced multi-station cold heading machinery and multi-axis CNC lathes, we produce each VVT screw to meet the exacting mechanical standards demanded by tier-1 global automotive manufacturers like SAIC and BYD.
Advanced Materials and Seamless Integration
Our engineering team selects premium alloy steels to construct every VVT screw, ensuring that the fastener maintains its mechanical integrity under continuous exposure to hot engine oil and high-frequency vibration. In compliance with IATF 16949 standards, we subject every production run to a 100% optical sorting check to guarantee flawless thread engagement and head recess depth. If your system requires a custom VVT screw with unique fluid passages, integrated seals, or specific drive styles (such as Torx or 12-point), we can develop fully functional prototypes within 30 days while offering flexible MOQs for bulk distributors.
Product Parameters
Material Choices
40Cr Alloy Steel, 35CrMo, Stainless Steel
Thread Pitch Precision
Class 6g / 6H high-precision metric threads
Drive Style
Internal Hex, Torx, Star, 12-Point Flange
Corrosion Resistance
Salt spray testing compliance up to 480 hours without red rust
Applications
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Variable valve timing (VVT) solenoids and oil control valve (OCV) assemblies
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Camshaft position actuator mounting and timing cover installations
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High-vibration engine-accessory mounting brackets
Customization Capability
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We specialize in tailoring non-standard thread pitches, fluid ports, and specialty plating to match your proprietary assembly layouts.
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Development Lead Time: 20 days for regular modifications; 30–60 days for complex, multi-stage custom engine screws.
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Flexible MOQ: Negotiable trial run quantities to support initial engine testing and prototype builds.
Packaging & Shipping
Internal Protection
Corrosion-inhibiting bags with desiccant packs to guarantee shelf-life during sea transport.
External Packaging
Heavy-duty double-wall cartons stacked on standardized pallets with corner protectors.
Supported Terms
EXW, FOB, and DDP with full tracking from our warehouse to your receiving bay.
FAQ
Q: How do you guarantee the quality of each VVT screw batch?
A: We utilize a strict multi-phase quality gate: incoming material testing, in-process first-article inspection, and a final 100% optical sorting check before packing.
Q: Do you offer environmental compliance documentation for this product?
A: Yes, all our fasteners comply fully with RoHS and REACH regulations, and we strictly follow local and national environmental laws.
Q: What are your payment terms for custom VVT screw development?
A: We request a 50% deposit (covering tooling/development) with the remaining 50% balance paid and cleared before final shipment.
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