+1 (262) 255 0223

MOLDING INTEGRATED APPLICATIONS

Engineered for Insert Molding, Injection Molding & Overmolding. Built for Reliability.

ChatGPT Image Jul 29, 2025, 07_17_06 PM

Manufacturers of insert-molded, injection-molded, and overmolded components face constant challenges with fit, adhesion, and dimensional stability — where even slight variation can cause scrap, leakage, or field failures.

Gromax delivers precision-stamped inserts engineered for seamless integration into all three molding processes, with controlled burr height, plating compatibility, and retention features that help OEMs and Tier 1/2 suppliers improve yield, reduce mold wear, and ensure long-term reliability.

Complete Solutions for Molding-Integrated Applications

Engineered stamped inserts for seamless integration, superior adhesion, and long-term performance.

Overmold-Ready Electrical Contacts & Terminals

Precision-formed conductive parts engineered for strong adhesion and reliable connectivity in overmolded plastic components.

• Automotive connectors
• Aappliance plugs
• Industrial sensor housings
• Mmedical device connectors.

Press-Fit Pins & Interconnects

Stamped terminals designed for secure, solderless PCB connections, ensuring fast assembly and consistent electrical performance.

• PCB-mounted connectors
• Molded terminal blocks
• Power distribution modules.

Custom Shields & EMI Cans for Overmolding

Metal enclosures built to block electromagnetic interference while withstanding overmolding processes without deformation.

• RF enclosures
• Telecom modules
• Medical diagnostic devices
• Automotive electronics

Grounding Clips & Contact Springs

Durable conductive components that maintain constant pressure for grounding and signal continuity in molded assemblies.

• Molded switch assemblies
• EMI suppression housings
• Signal grounding systems.

Custom Insert-Molded Brackets & Hardware

Stamped hardware integrated into molded parts to provide rigid structural support and precise mounting points.

• Enclosure mounting frames
• Relay supports
• Structural reinforcement inside molded housings.

Sensor Insert Frames & Housings

Precision frames and housings that secure and protect sensors during overmolding while maintaining alignment and functionality.

• Automotive sensors
• Industrial automation sensors
• IoT device packages
• Medical sensor housings.

Fully Integrated Manufacturing Partner for All Molding Types

We manage the entire process — from design input to production and compliance — so you receive precision, consistency, and mold-ready inserts whether your program calls for insert molding, injection molding, or overmolding.

Engineering Design & Pre-Production

Collaborate early to optimize stamped inserts for moldability, adhesion, and fit in all three molding processes. We review plating specs, surface prep, and retention features to prevent warpage or poor bonding.
→ Learn More

Rapid Prototyping for Functional Evaluation

Production-intent prototypes for overmolded, injection-molded, and insert-molded parts, enabling mold flow analysis, fit checks, and adhesion testing before full-scale production.
→ Learn More

Tool & Die Design + Manufacturing

In-house progressive dies built for thin-gauge and high-strength alloys, with precision forming for tabs, holes, and retention geometries critical to each molding method.
→ Learn More

Precision Metal Stamping for Harsh Environments

±0.0015″ tolerances and controlled burr height to prevent flash, voids, or adhesion issues during injection molding, insert molding, or overmolding.
→ Learn More

 

Assembly & Secondary Operations

Pre-plating prep and coordinated plating (tin, nickel, silver, gold) to ASTM specs, delivering plating-ready, mold-ready inserts for any molding process.
→ Learn More

Quality Assurance & Lifecycle Support

Full compliance documentation (PPAP, FAIR, CMM, material & plating certs, traceability) supporting mold validation for automotive, medical, and industrial programs.
→ Learn More

How We Add Value

We hold critical dimensions to ±0.0015″ so inserts locate and seat perfectly in injection molds, insert molds, and overmold tooling, preventing misalignment and ensuring consistent part quality.

 Burrs are minimized and kept below critical thresholds, preventing flash, voids, or poor sealing during any molding process, which reduces scrap and rework.

Inserts are stamped and prepped for optimal plating adhesion, ensuring both conductivity and mechanical bond strength in electrical overmolds, insert-molded connectors, and injection-molded terminals.

We form and stamp thin metals without distortion, preserving flatness, retention features, and critical geometries needed for high-precision insert molding, injection molding, or overmolding.

Every production lot is fully traceable, linking materials, plating, and process data to support mold validation, audits, and long-term quality control for any molding application.

We supply complete automotive, medical, and industrial compliance documentation for injection-molded, overmolded, and insert-molded parts, ensuring faster approval cycles.

Our engineers collaborate early to optimize undercuts, holes, ribs, and retention geometries for better moldability, stronger adhesion, and longer mold life.

Engineer Your Next Molding

Upload your drawing or RFQ for precision-stamped, mold-ready inserts built to your production needs.

Copyright © 2024 Gromax Precision Die & Mfg. Inc. ​

info@gromaxprecision.com

W185 N11474 Whitney Drive Germantown, WI 5302