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Capabilities

CNC MachiningCNC milling, 5-axis machining & CNC turning›

3D PrintingSLA, MJF, SLS & DMLS 3D printing›

Vacuum CastingSilicone mold making, urethane casting & vacuum-cast prototypes›

Sheet Metal FabricationLaser cutting, bending & welding›

Injection MoldingLow-volume, insert & overmolding›

Rapid ToolingPrototype tooling for molded-part validation›

Die CastingAluminum, zinc & magnesium die casting›

Metal StampingPrecision & progressive stamping›

Surface FinishingBlasting, anodizing, plating, coating & polishing›

CNC Machining

CNC MillingFor prismatic parts with contours, pockets, drilled features, and precisely machined interfaces›

5-Axis CNC MachiningFor multi-sided parts with complex geometry, angled features, and challenging tool access›

CNC TurningFor rotational parts with turned profiles, bores, threads, and precision mating interfaces›

Stereolithography (SLA)High-resolution resin 3D printing for detailed prototypes, smooth surfaces, and visual or fit-check models.›

Multi Jet Fusion (MJF)Industrial nylon 3D printing for durable functional prototypes, housings, clips, and repeat low-volume parts.›

Selective Laser Sintering (SLS)Selective laser sintering for durable nylon 3D printing, complex geometries, and functional prototype parts.›

Direct Metal Laser Sintering (DMLS)Metal 3D printing for complex components requiring material performance, post-machining, or controlled finishing.›

Silicone Mold MakingPrecision silicone molds for repeatable short-run vacuum casting with practical detail reproduction.›

Urethane CastingProduction-like polyurethane parts in rigid, flexible, clear, or color-matched material options.›

Vacuum Casting PrototypesShort-run vacuum casting prototypes for appearance, fit, and functional validation before tooling.›

Sheet Metal Laser CuttingPrecision laser cutting for profiles, holes, and fabrication-ready sheet metal blanks.›

Sheet Metal BendingCustom sheet metal bending for flanges, brackets, panels, and formed enclosures.›

Sheet Metal WeldingSheet metal welding for durable fabricated assemblies and joined components.›

Low-Volume Injection MoldingLow-volume injection molding for bridge production, validation, and controlled batches of production-intent plastic parts.›

Insert MoldingInsert molding integrates metal or other prepared components into molded plastic parts for durable, simplified assemblies.›

OvermoldingInjection overmolding combines a substrate with a compatible overmold material to create integrated multi-material parts.›

Prototype ToolingPrototype tooling for functional molded-part validation, early sampling, and production planning.›

Aluminum Die CastingAluminum die casting for lightweight housings, brackets, and heat-dissipating metal components.›

Zinc Die CastingZinc die casting for fine details, thin walls, and plated components.›

Magnesium Die CastingMagnesium die casting for lightweight enclosures and weight-sensitive structural components.›

Precision StampingPrecision metal stamping for close-tolerance parts, fine features, and repeatable production.›

Progressive StampingProgressive die stamping for sheet metal parts, combining cutting and forming across successive stations.›

Sand BlastingAbrasive blasting for matte textures and metal surface preparation before coating.›

As MachinedCNC machined surfaces retaining tool marks without additional cosmetic finishing.›

TumblingBatch deburring, edge rounding, and surface smoothing for suitable manufactured parts.›

ElectropolishElectrochemical smoothing and brightening for compatible metal components.›

Heat TreatmentControlled heat treatment to adjust alloy properties or relieve residual stress.›

AlodineAluminum conversion coating for corrosion protection and improved paint adhesion.›

AnodizingProtective oxide finishes for aluminum parts, with clear or colored options.›

Teflon CoatingLow-friction fluoropolymer coatings for compatible sliding, release, and non-stick applications.›

Black OxidizeBlack conversion finishes for compatible steel, with oil or wax sealing.›

Electroless PlatingChemically deposited metal coatings with relatively uniform thickness on compatible, prepared surfaces.›

ElectroplatingElectrically deposited metal coatings for protective, conductive, or decorative applications.›

PaintingIndustrial painting for specified colors, gloss levels, and application-specific surface protection.›

PassivationRemoves free iron contamination from stainless steel to support corrosion resistance.›

Powder CoatingCured powder coatings for metal parts, with varied colors and textures.›

ElectrophoresisElectrodeposited paint coatings for prepared conductive metal components and assemblies.›

Brushed FinishDirectional satin textures for visible metal panels, housings, and components.›

PolishingMechanical polishing for smoother surfaces and satin, bright, or mirror finishes.›

SPI FinishMold surface grades for specifying gloss and texture on injection-molded parts.›

As FabricatedSheet metal surfaces retained after cutting and forming, without additional cosmetic finishing.›

Featured Capability

CNC Machining

CNC milling, 5-axis machining & CNC turning

Explore CNC Machining ›

TolerancesDrawing-Based ReviewMetals & PlasticsMaterial SelectionLead TimesProject-SpecificISO 9001Quality Management

Industries

AutomotivePrototypes & Low-Volume Parts ›

Automotive Custom automotive parts for prototypes and low-volume production. › Aerospace Aerospace prototypes and custom parts for engineering evaluation. › Automation Custom robotic parts, fixtures, and automation equipment components. › Medical Medical device prototypes, custom housings, and mechanical components. › Energy Custom energy equipment parts, housings, and mounting components. › Semiconductor Custom semiconductor equipment parts, fixtures, and handling components. › Office Equipment Custom parts and prototypes for printers, copiers, and scanners. › Electronic Appliances Custom appliance parts and enclosures for product development. ›

Featured Industry

Automotive Prototyping & Custom Parts

Custom parts for automotive development, fit checks, assembly validation, and low-volume manufacturing.

Explore Automotive ›

Custom PartsHousings, brackets, fixtures, and assembly components. Global DeliveryPackaging and shipping planned for each project. DFM SupportReview geometry, materials, and critical features. Low-Volume BuildsParts for validation, pilot builds, and repeat batches.

Metals & Plastics for Custom Parts

Compare material grades, properties, and manufacturing considerations for prototypes and low-volume parts.

Materials Selection Guide Read the Guide

Browse by Material

AluminumLightweight, corrosion-resistant aluminum for CNC-machined prototypes, brackets, housings, and precision parts.›

Stainless SteelCorrosion-resistant stainless steel for CNC-machined components, tooling, and parts used in clean or demanding environments.›

SteelVersatile steel for CNC-machined structural parts, fixtures, shafts, brackets, and production tooling.›

ZincZinc for compact die-cast housings, hardware, and detailed industrial components where fine detail matters.›

CopperHigh-conductivity copper for electrical contacts, connectors, heat-transfer parts, and precision components.›

BrassMachinable brass for fittings, valves, electrical hardware, bushings, and precision turned parts.›

TitaniumHigh-strength, lightweight titanium for aerospace, medical, and performance-critical machined components.›

MagnesiumUltra-lightweight magnesium for weight-sensitive housings, structural components, and machined prototypes.›

BronzeWear-resistant bronze for bushings, bearings, marine hardware, and sliding mechanical components.›

IronDurable iron for fixtures, tooling, structural components, and wear-focused industrial applications.›

ABSImpact-resistant ABS for machined prototypes, housings, fixtures, and functional appearance parts.›

All Material Categories MetalsAluminum, Stainless Steel, Steel, Zinc, Copper, Brass, Titanium, Magnesium, Bronze, Iron.› Engineering PlasticsABS.› Specialty PlasticsSpecialty plastics for project-specific performance requirements.›

Material Selection Support

Discuss your material, process, and part requirements.

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Manufacturing Guides & Resources

Explore process guides, material and finishing advice, technical articles, downloads, and manufacturing videos.

Manufacturing Guides Step-by-step guides on processes, materials, and best practices. Materials Selection Guide Learn how to choose the right material for your application. Surface Finishing Guide Overview of finishing options, processes, and applications. News Company updates, manufacturing developments, and industry news. Blog Latest industry insights, technology updates, and engineering articles. FAQs Common questions about quotes, files, lead times, and manufacturing support. Downloads Catalogs, datasheets, certifications, and technical documents. Videos Watch our manufacturing processes, capabilities, and company overview.

Need Help With Your Project?Discuss process selection, materials, or drawing requirements.

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Resources

News

Read company news and manufacturing updates from GD Prototyping, including announcements and developments related to our services.

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News

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Resistance Spot Welding Electrodes for Sheet Metal

Blog

6 min read

Types of Welding in Sheet Metal: TIG, MIG, Spot & Laser

Common types of welding in sheet metal include TIG, MIG/MAG, resistance spot welding, and laser welding.

Aug 21, 2026

Capabilities

CNC Machining 3D Printing Vacuum Casting Sheet Metal Fabrication Injection Molding Rapid Tooling Die Casting Metal Stamping Surface Finishing

Industries

Automotive Aerospace Automation Medical Energy Semiconductor Office Equipment Electronic Appliances

Materials

Aluminum Stainless Steel Steel Titanium Copper Brass Bronze Zinc Magnesium Iron

Company

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