High-Precision Injection Molded Automotive Bracket

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Precise Injection Molds

High-Precision Injection Molded Automotive Bracket

This product is a precision injection-molded plastic mounting bracket specially designed for automobiles, formed via an integrated injection molding process. It is a high-strength structural component tailored for vehicle body, bumper, and wire harness fixing applications. Made of premium engineering plastics and molded in one piece with high-precision molds, the bracket combines lightweight design with exceptional rigidity. It serves as an ideal replacement for traditional metal brackets, meeting structural strength requirements while reducing overall vehicle weight, and is widely suitable for interior/exterior installation, wire harness fixing, and component support in passenger and commercial vehicles. We offer end-to-end OEM/ODM customization, supporting 1:1 mold production per customer drawings, and strictly comply with the IATF 16949 quality management system for the automotive industry.

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Core Design & Structural Advantages

Honeycomb Reinforcement Rib Structure: The back features a hexagonal honeycomb-style reinforcement rib design, which significantly improves structural rigidity, impact resistance, and deformation resistance while optimizing material distribution to achieve lightweight, effectively reducing vehicle weight and energy consumption.
Integrated Multi-Mount Design: Integrates multiple sets of positioning holes, mounting holes, and positioning posts to adapt to the installation needs of different vehicle models, eliminating the need for secondary processing, simplifying the assembly process, and improving production efficiency.
High-Precision Molding Process: Adopts high-precision CNC mold injection molding to ensure dimensional consistency of product contours and hole positions, guaranteeing a perfect fit with the vehicle body and components, and avoiding assembly gaps and loosening risks.
Excellent Environmental Adaptability: Made of engineering plastics resistant to high/low temperatures, aging, and impact, it can operate stably in extreme environments from -40°C to 120°C, withstanding vibration, impact, and daily corrosion during vehicle operation.

Core Technical Parameters & Tolerance Table

Parameter Category	Standard Specification	Customization Range	Tolerance Requirement
Core Process	Precision Injection Molding	Insert Molding / Secondary Processing Optional	Dimensional Tolerance: ±0.02mm (High-precision customizable to ±0.01mm)
Main Material	Reinforced PA66 (Nylon + Glass Fiber)	POM / ABS / PC+ABS / PP+GF, etc.	Compliant with RoHS & REACH Environmental Standards
Operating Temperature	-40°C ~ +120°C	High/Low Temperature Resistant Materials Customizable	Heat Deflection Temperature: ≥180°C (PA66-GF30)
Structural Strength	Tensile Strength ≥150MPa	Optimizable per Load Requirements	Notched Impact Strength: ≥15kJ/m²
Mounting Hole	Standard Diameter φ5mm / φ6mm	Customizable Hole Diameter & Layout	Hole Position Tolerance: ±0.05mm
Surface Finish	Matte / Glossy Black	Customizable Color, Spraying, Texture	Surface Roughness Ra ≤1.6μm
Protection Level	IP54 (Basic)	Customizable to IP65 and Above	Compliant with Automotive Dust & Water Resistance Requirements
Minimum Order Quantity	1,000 Sets (Mold Opening) / 5,000 Sets (Mass Production)	Small-batch Trial Production Supported	Mass Production Lead Time: 7-15 Days

Material & Performance Assurance

Material Type	Core Features	Application Scenarios
Reinforced PA66 (Nylon + 30% Glass Fiber)	High strength, high toughness, high/low temperature resistance, aging resistance, chemical corrosion resistance	Heavy-load scenarios such as automotive body, bumpers, and engine compartments
POM (Polyoxymethylene)	High rigidity, low friction, excellent dimensional stability	Precision installation, sliding structures, low-load scenarios
PC+ABS Alloy	Ultra-high impact resistance, high surface gloss, easy processing	Automotive interior/exterior, appearance parts, high impact resistance requirements
PP+GF (Polypropylene + Glass Fiber)	Lightweight, chemical corrosion resistance, significant cost advantage	Interior body, wire harness fixing, non-heavy-load scenarios

All raw materials are SGS-certified, compliant with EU RoHS, REACH, and other environmental regulations. We provide complete material reports, test reports, and environmental certification documents to meet customer factory audit and export requirements.

Application Scenarios

Automotive Industry: Bumper mounting brackets, body wire harness fixing brackets, lamp mounting brackets, interior component supports, new energy vehicle battery pack fixing brackets, etc.
Industrial Industry: Mounting brackets for automation equipment, sensor fixing bases, wire harness management brackets.
Other Fields: Home appliances, smart homes, energy storage equipment, and other scenarios requiring high-strength plastic support structures.

Customization & Service Support

Customization Service: Support 1:1 mold customization based on customer 3D/2D drawings or samples, optimize structure, adjust materials, customize colors and surface processes, and provide DFM (Design for Manufacturability) analysis.
Quality Control: Full-process quality inspection system, including incoming material inspection, in-process injection molding inspection, finished product CMM/2D vision full inspection, and performance testing to ensure 100% compliance with design requirements.
Supporting Services: Can be matched with wire harnesses, fasteners, and other components for one-stop procurement; support small-batch trial production to assist customers in product R&D and testing.
Foreign Trade Services: Support trade terms such as FOB/CIF, provide full-process services including customs declaration, logistics, and certification to ensure stable delivery for global customers.

Packaging & Delivery

Packaging: Neutral cartons / custom packaging with internal pearl cotton protection to avoid transportation damage.
Mold Opening Lead Time: 15-25 Days; Mass Production Lead Time: 7-15 Days (adjustable based on order quantity).
Logistics: Sea freight, air freight, international express (DHL/FEDEX, etc.) optional.
Payment Terms: T/T, L/C, and other conventional foreign trade payment terms.