Precision Electrical Components & Sub-Assemblies
Metal Craft specializes in high-precision electrical component manufacturing, delivering custom copper busbars, precision contact terminals, switchgear enclosures, transformer fittings, and PCB hardware. Serving electrical OEMs and power equipment manufacturers since 1972, we leverage advanced CNC punching, laser cutting, precision stamping, and automated plating to ensure high electrical conductivity and thermal performance.
Our state-of-the-art facility processes electrolytic ETP copper, brass, stainless steel, and aluminum materials with strict surface plating controls including tin plating, silver plating, and nickel plating. Combined with robust dielectric testing and modular sub-assembly capabilities, Metal Craft delivers reliable electrical manufacturing tailored to your exact specifications.
Key Capabilities & Services
Copper Busbar Fabrication
Precision CNC bending, punching, and silver/tin plating of high-conductivity ETP copper busbars for power panels and switchgears.
Precision Terminal Stamping
High-speed progressive press stamping of brass, copper, and bronze contact clips, terminals, and connector pins with tight tolerances.
Electrical Panel Enclosures
Custom sheet metal fabrication of IP-rated control cabinets, electrical boxes, junction housings, and modular server racks.
Electro-Plating & Finishing
Electro-tin, silver, nickel, and zinc surface treatments enhancing corrosion protection and reducing contact electrical resistance.
Electrical Service Specializations
Copper Busbars & Earth Strips
High ConductivitySolid and flexible copper busbars designed for low contact resistance and maximum current transmission.
- Materials: ETP Grade Copper & Oxygen-Free Copper
- Plating: Electro-tin, Silver, or PVC Sleeve Insulation
- Accuracy: Precise hole drilling & burr-free edge radii
Switchgear & Control Panel Boxes
IP RatedCustom electrical distribution boxes, meter enclosures, and indoor/outdoor weather-proof control panels.
- Materials: CRCA Steel, Stainless Steel (304/316), Aluminum
- Finish: UV-Resistant Pure Polyester Powder Coating
- Features: Continuous polyurethane gasket seals & grounding studs
Terminal Blocks & Connector Clips
Precision StampedHigh-volume brass and copper contact terminals, socket pins, spring clips, and grounding brackets.
- Materials: High-tensile Brass, Beryllium Copper, Phosphor Bronze
- Process: Multi-stage progressive tool stamping
- Testing: Micro-ohmmeter contact resistance inspection
Aluminum Heat Sinks & Thermal Hardware
Thermal ManagementExtruded and CNC machined aluminum heat sinks designed for power electronics, LED drivers, and transformers.
- Materials: Aluminum Alloy 6063-T6 / 6061-T6
- Finishing: Black Anodizing, Clear Anodizing, Chromate Conversion
- Feature: Optimal fin density for max heat dissipation
Electrical Components Manufacturing Process
Material Selection & CAD Design
Selection of high conductivity ETP copper or brass alloy, CAD design, and DFM optimization.
Stamping, CNC Bending & Machining
High-speed progressive tool stamping, CNC busbar bending, laser cutting, and hole punching.
Plating & Quality Assurance
Electro-tin or silver surface plating, dielectric testing, thickness verification, and final sub-assembly.