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. Onestop service from design, etching to surface treatment