Chemical Etching Shims
Product Brief
Chemical etching shims are precision photo-etched metal spacers manufactured by non-contact chemical milling process. Burr-free, stress-free, ultra-flat with strict dimensional tolerance, ideal for precision spacing, alignment and sealing in various industries. No tooling cost for custom shapes.
Key Features
- 100% burr-free & no thermal deformation, no secondary deburr needed
- Ultra-thin thickness: 0.01mm–2.5mm, tolerance up to ±0.01mm
- Support complex irregular shapes, holes and slots customization
- Various metal materials available, excellent flatness & stability
- Low MOQ, fast prototyping and mass production capability
Material Options
Stainless steel 304/316, brass, copper, aluminum, nickel alloy
Finishing
Passivation, nickel plating, tin plating, gold plating, surface polishing
Applications
Widely used in automotive, electronics, medical devices, aerospace, precision machinery, sensors and energy equipment for gap adjusting, positioning and assembly spacing.
Custom Service
Accept customer DXF/DWG drawings; customized size, thickness and patterns. Free DFM evaluation and sample support.
Lead Time & Packing
Sample: 5-7working days
Bulk order: 15-20 working days
Standard export package, safe for international shipping
Why Choose Us
1. 15+ years experience in precision chemical etching manufacturing
2. Professional R&D team supports custom design & drawing optimization
3. Strict quality management system, stable product performance
4. Fast sample delivery and competitive factory direct price
5. One stop service from design, etching to surface treatment
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