Precision Etched Metal Shims 0.02-1.5mm ±0.03mm Tolerance Custom Sizes
Product Overview
Xinhsen Technology specializes in manufacturing high-precision metal shims using advanced chemical etching technology. Our shims are engineered to provide exact spacing solutions for industries requiring micron-level accuracy in assembly and mechanical systems.
As a leading metal etching specialist, we produce shims that meet the most demanding specifications for aerospace, automotive, medical devices, and industrial equipment. Available in stainless steel, brass, copper, beryllium copper, and specialty alloys, each shim is crafted to deliver perfect fit and consistent performance in critical applications.
Key Features
✅ Ultra-Thin Precision - Produces shims as thin as 0.02mm with ±0.003mm tolerance
✅ Complex Geometry - Creates intricate shapes impossible with conventional stamping
✅ Burr-Free Edges - Chemically etched for smooth, ready-to-use components
✅ Material Variety - Over 20 metal alloys including non-magnetic options
✅ Rapid Prototyping - Functional samples in 3-5 working days
✅ Cost-Effective Tooling - No expensive dies required for custom designs
✅ Batch Consistency - Maintains ±0.01mm uniformity across entire production run
Technical Specifications
| Parameter | Specification |
| Material | Stainless Steel (304, 316, 17-4PH) Copper/Brass (C11000, C26000) Titanium (Grade 1-5) |
| Hole/Slot Size | 0.03mm (min) |
| Thickness | 0.02mm - 1.5mm |
| Flatness | ≤0.01mm per 25mm |
| Multi-Layer Stacking | Up to 100 layers |
| Surface Finish | Matte (Ra 0.8μm) / Mirror (Ra 0.1μm) |
| Hardness | HRB 80 - HRC 40 |
Dimensional Parameters:
Thickness Range: 0.02mm - 1.5mm
Diameter/Size: 1mm - 600mm
Hole Sizes: From 0.1mm with ±0.01mm positional accuracy
Flatness: ±0.01mm per 25mm
Surface Treatments:
Passivation
Electropolishing
Heat Treatment
Plating (Ni, Au, Ag, Sn)
Non-stick Coatings
Competitive Advantages
✔ Industry-Leading Precision - Achieves tolerances impossible with stamping or laser cutting
✔ Application-Specific Solutions - Custom-engineered for:
Thermal compensation
Electrical insulation
Vibration damping
Wear protection
EMI shielding
✔ One-Stop Manufacturing - From prototype to mass production
✔ ISO 9001 & AS9100 Certified - Aerospace-grade quality control
✔ 10+ Years Expertise - Trusted by Fortune 500 manufacturers
Functional Benefits
Perfect Fit - Eliminates assembly stress and improves equipment lifespan
Weight Reduction - Ultra-thin designs minimize added mass
Corrosion Resistance - Material selection for harsh environments
Electrical Properties - Custom conductivity/dielectric characteristics
Thermal Management - Special alloys for heat dissipation/insulation
Applications
Aerospace: Engine shims, airframe spacers
Automotive: Transmission shims, bearing spacers
Medical: Implant components, surgical tool spacers
Electronics: RF shielding, connector spacers
Industrial: Pump wear plates, machinery adjustment shims
FAQ
Q1: What's the minimum order quantity for custom shims?
A: 100 pieces for standard designs (1-2 pieces for prototyping).
Q2: How do your etched shims compare to stamped shims?
A: Our etching process provides:
Better flatness (no stamping distortion)
Tighter tolerances (±0.003mm vs ±0.05mm)
No burrs (eliminates secondary processing)
More complex geometries
Q3: Can you produce shims with multiple thicknesses in one piece?
A: Yes! We specialize in stepped shims with precision thickness transitions.
Q4: What certifications do your medical-grade shims have?
A: Our cleanroom-produced shims meet:
ISO 13485
FDA 21 CFR 820
EU MDR 2017/745
Q5: How should shims be stored before use?
A: We recommend:
Anti-tarnish paper interleaving
20-25°C, 40-60% RH environment
Use within 12 months for critical applications
Q6: Do you offer conductive/non-conductive coatings?
A: Yes, including:
Gold plating (high conductivity)
Anodizing (insulation)
DLC coating (wear resistance)
Why Choose Xinhsen?
Free DFM Analysis - Our engineers optimize your design
24/7 Production - Emergency orders accommodated
Global Logistics - Door-to-door delivery worldwide
Confidentiality Guaranteed - NDA protection available
Upgrade your precision assembly with chemically-etched shims that deliver perfect fit and performance. Contact our engineering team today for free technical consultation!
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