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Tool & Die Design + Manufacturing

High-Performance Tooling That Reduces Risk and Total Cost

At Gromax, we design and build in-house progressive dies engineered for tight tolerances, high volumes, and downstream assembly. From prototype to Class A dies, we deliver precision tooling optimized for quality, speed, and long-term durability.

 

Capabilities

Precision tooling solutions for prototypes and production.

Progressive Die Design & Build

Progressive Die Design & Build

Custom progressive dies engineered for high-volume, tight-tolerance stamping—optimized for formability, material handling, and dimensional repeatability.

Prototype & Bridge Tooling

Prototype & Bridge Tooling

Short-run or pilot production dies to support early-stage validation, feasibility testing, and pre-production builds with production-similar processes.

In-Die Secondary Operations

In-Die Secondary Operations

Integrated tapping, coining, deburring, extruding, or parting operations designed into the die to reduce downstream processing and cost.

Die Maintenance & Refurbishment

Die Maintenance & Refurbishment

In-house die maintenance, sharpening, and refurbishment services to extend tooling life and performance.

Design for Manufacturability Collaboration

Design for Manufacturability Collaboration

Early-stage design input to adjust tolerances, radii, feature geometry, and material choices for smoother forming and lower tooling costs.

Class A Tooling

Class A Tooling

Production-grade Class A dies with premium tool steel, carbide inserts, and precision machining—built for longevity in demanding production environments.

Industry
Application

Tooling Built for Critical Industries

Electrical & Power

• Progressive dies for copper and aluminum busbars
• Dies for electrical terminals, contact blades, grounding clips
• Tooling for power connectors, switchgear components, fuse clips
• Dies for heat sink stampings and electrical mounting brackets

Key Benefits

• Achieve precise electrical clearances and burr-free edges
• Validate hole-to-bend alignment for downstream assembly
• Support high-conductivity materials without cracking or thinning
• Enable rapid ramp-up from pilot to production quantities

Electronics & Sensors

• Dies for EMI/RFI shields, thermal shields, and metal covers
• Lead frame and carrier tooling for sensors, ICs, and semiconductor packaging
• Dies for stamped micro-connectors, pogo pins, and fine-feature brackets
• Tooling for battery contacts and spring contacts

Key Benefits

• Maintain tight flatness and planarity in thin-gauge materials
• Achieve micro features with precision punches and fine clearance dies
• Validate fit within compact electronic assemblies
• Reduce warping and distortion through optimized forming

Defense & Aerospace

• Dies for avionics shielding, communication module housings
• Tooling for lightweight brackets, mounting clips, grounding lugs
• Dies for high-reliability electrical terminals and contacts
• Tooling for missile, drone, and military-grade sensor housings

Key Benefits

• Meet ITAR compliance with traceable tooling and documentation
• Ensure dimensional stability under thermal and vibrational stress
• Support lightweight material forming (aluminum, titanium alloys)
• Reduce post-processing with in-die deburring and forming features

Medical Device & Equipment

• Dies for surgical staples, precision blades, biopsy tools
• Tooling for implantable component frames and pacemaker contacts
• Dies for EMI shielding in diagnostic and imaging equipment
• Tooling for micro-stamped surgical instrument components

Key Benefits

• Validate biocompatible material forming without contamination
• Maintain critical cutting/forming edge sharpness
• Enable traceability and cert documentation for FDA/ISO compliance
• Support small-batch tooling for pilot clinical builds

Industrial Machinery

• Dies for structural brackets, mounting plates, linkages
• Tooling for stamped bushings, tabs, and spacers
• Dies for safety shields, equipment guards, and covers
• Tooling for custom flat springs and latch mechanisms

Key Benefits

• Validate mechanical strength under load and fatigue conditions
• Achieve tight dimensional fit for assembly alignment
• Enable higher-volume stamping to reduce machining or welding costs
• Reduce downstream fabrication by integrating features in-die

Molding-Integrated Applications

• Dies for metal inserts used in injection overmolding
• Tooling for lead frames, shielded housings, insert-molded connectors
• Dies for terminals and grounding components embedded in plastic
• Tooling for sensor housings and hybrid composite parts

Key Benefits

• Ensure insert geometry tolerances critical for mold cavity fit
• Validate plating or coating adhesion for overmolded components
• Reduce mold iteration cycles by providing production-representative inserts
• Minimize warping or distortion of inserts under molding pressure

Quality Systems & Compliance

Quality management ensures tooling is built to spec, documented, and inspected for consistency—reducing downstream production risks.

Tooling projects for defense and aerospace protected under ITAR compliance from design through delivery.

Collaborate directly with die designers and tooling engineers to troubleshoot, optimize, and validate tool designs.

Tool steels and components supplied with certifications and traceability records—supporting regulated and mission-critical applications.

Featured
Case Study

Type: Vertically integrated medical device manufacturer producing Class II surgical devices

Stage: Preparing for FDA 510(k) submission and Phase 1 clinical trials of a next-generation laparoscopic stapler

Team: Engineering team of 12 mechanical and manufacturing engineers, in-house assembly, outsourced stamping and forming suppliers

Primary Need: Required production-representative staples to validate form, fit, and function for clinical trial devices and pre-qualification testing—delivered within 8 weeks to align with regulatory filing timeline

Needed a progressive die to manufacture 0.020” thick 316L stainless steel surgical staples with ±0.001” critical dimension tolerance across staple crown and leg geometry

Required five forming stations: pierce, initial bend, coining, final bend, and part-off—with in-die deburring to eliminate manual post-processing

Die needed to deliver parts suitable for clinical assembly without additional secondary finishing

Compressed timeline driven by upcoming FDA submission deadline and clinical trial build milestone

Required full dimensional inspection and material traceability documentation for regulatory filing

Designed a progressive die integrating precision-ground punches, carbide inserts at high-wear pierce stations, and in-die coining to achieve required edge sharpness and surface finish

Performed die simulation and forming analysis to verify material flow, eliminate cracking risk at bends, and validate stress distribution in staple geometry

Built, assembled, and tested die 100% in-house, using wire EDM-cut die sections and custom backing plates for dimensional stability

Completed first-article inspection (FAIR) and CMM measurement reports, providing full dimensional validation and material certification package

  • Collaborated with customer engineering to adjust bend radius and leg reliefs, reducing forming load by 14% and improving strip layout for material yield

Delivered progressive die in 47 calendar days, meeting clinical trial build schedule

First production lot of 10,000 staples ran within tolerance on first press run, with no secondary finishing required

Enabled customer to submit production-representative parts with complete inspection documentation for FDA 510(k) filing

Reduced raw material scrap by 15% via optimized strip layout, improving pilot build cost-efficiency

Die transitioned directly into production use after validation, supporting ramp-up to annual production volume of 2 million staples

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Start your die project with a team that knows precision stamping from the inside out.

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