- Manufacturer of Hot Runner Mold
Precision Connector Molds Suppliers Factory Manufacturers Built to Last
We focus on tight tolerances (up to ±0.005 mm) and durable steel. Whether for automotive or electronics, we deliver molds that simply work—cycle after cycle.
Definition
What is a Connector Mold?
A connector mold is the foundation of any reliable electronic connection. It is not just about shaping plastic; it is about creating the precise cavities that ensure wires, pins, and circuits align perfectly every time. At GBM, we engineer molds that define how devices connect, from simple audio jacks to complex multi-pin automotive interfaces.
High Precision
Achieving tight tolerances of up to ±0.005 mm to eliminate connection failures.
Complex Geometries
Capable of molding intricate designs, including grid-like structures and micro-connectors.
Versatility
Supporting various types including RF, fiber optic, electrical, and hybrid connectors.
Why Invest in High-Performance Tooling?
A cheap mold costs more in the long run due to defects and downtime. Switching to GBM’s precision molds means investing in consistency. We utilize advanced CNC and EDM machining to ensure that the 1,000,000th part is identical to the first one.
Our Featured Products
Standard molding is just the beginning. GBM Mold specializes in complex molding techniques that combine materials to improve functionality and reduce your assembly costs.
2 Shot Molds
Unscrewing Molds
Insert Molding
Precision Connector Mold
Why Choose Us
How We Optimize Your Costs
We lower your Total Cost of Ownership (TCO) by focusing on mold longevity and efficiency. We use high-grade steel and smart design to ensure your mold runs longer and faster, reducing the cost per part.
Prolonged Mold Life
Our molds are crafted with strong, durable materials to withstand heavy use and last a long time, saving you replacement costs in the long run.
Reduced Material Waste
High-precision molds withstand high speeds and pressures, allowing you to produce better parts with significantly less material waste.
Faster Cycle Times
We design cooling systems and high-speed stamping dies that reduce production time, increasing your daily output.
Minimized Assembly Costs
Our precision molds allow for high-volume production that reduces assembly time and costs by delivering parts that fit perfectly.
Free Design Optimization
We offer a complimentary 30-minute design consultation to explore material options and budget strategies, helping you avoid costly design errors before production begins.
Low Defect Rates
Our automated demolding systems and advanced QC testing eliminate defects, ensuring you receive reliable products every time and don't pay for scrap.
How To Work With Us
We know that outsourcing manufacturing can feel risky. We have designed our workflow to be transparent, communicative, and disciplined. Here is what happens when you partner with GBM:
Inquiry & Feasibility Study
It starts with a conversation. Send us your 3D data or drawings. We don’t just throw a generic price at you; our engineers actually dive into the design. We check the part geometry, analyze the material selection (especially for complex dual-material bonding), and review your tolerance needs. We look for potential pitfalls before they cost you money. Within 24 hours, you’ll get a precise quote and honest technical feedback—so you know exactly what you're getting into.
01
Engineering & DFM Review
We hate surprises as much as you do. That’s why before we touch a single piece of steel, we simulate everything. We perform a comprehensive Design for Manufacturability (DFM) analysis and run Moldflow simulations. This lets us see into the future—predicting risks like sink marks, air traps, or warpage. We’ll sit down with you (virtually) to optimize the design, ensuring it’s not just "moldable," but optimized for efficient mass production.
02
Tooling Design & Approval
This is where the blueprint comes to life. We create detailed 2D and 3D mold designs, planning every cooling channel and ejection pin placement. We don't keep secrets—we share the full layout with you for review. We discuss the cooling efficiency, the gate locations, and the moving mechanisms. Construction only begins when you say "Yes." We ensure you are 100% confident in the design before we start machining.
03
Manufacturing & Weekly Updates
We know waiting is the hardest part, so we make sure you’re never left wondering, "What's happening with my mold?" During the machining phase, you become part of our workshop. Every week, your dedicated project manager will send you a Weekly Progress Report. This isn't just a spreadsheet; it includes real photos and videos of your mold on our CNC and EDM machines. You can track the steel cutting, electrode machining, and fitting process as if you were standing right here on our factory floor.
04
T1 Trial & Validation
This is the exciting part. We load your mold into our in-house injection machines for the first trial shot (T1). But we don't just look at the parts; we scrutinize them. We use our CMM equipment to generate full Dimensional Reports, checking against your original tolerances. We then ship the actual T1 samples (and the data) directly to your desk. You get to hold the product, test the fit, and verify the function yourself.
05
Texture & Final Finish
Once you confirm the samples are dimensionally correct, we focus on the aesthetics. Whether you need a specific VDI texture for grip or a mirror polish for optical clarity, this is when we apply the final surface treatments. But we don't stop there. We conduct a final "dry-cycle" test—running the mold empty for hours—to ensure every slider, lifter, and pin moves silky smooth. We make sure the tool is robust and ready for the rigors of high-volume production.
06
Global Logistics & Delivery
Global Logistics & Delivery We treat your mold like a precision instrument. Before shipping, we thoroughly clean it, apply professional rust prevention, and vacuum-seal it to protect against humidity. Whether you need it shipped fast via air or economically via sea, we handle the logistics paperwork and customs clearance assistance. We don’t consider the job done until the mold arrives safely at your facility and is producing parts on your machine.
07
Why Global Manufacturers Choose GBM for Connector Mold?
Founded in 2012 in Shenzhen, GBM is a National High-Tech Enterprise with a 1,800m² state-of-the-art facility. We are an A-rated supplier (96 points) providing flexible, versatile solutions for the world’s most demanding Tier-1 suppliers.
99.9% Precision Tolerance
Using top-tier imported steel and machinery (Fanuc, Sumitomo), we achieve tolerances that allow for complex connector and medical part manufacturing.
Speed
With a 96% on-time rate for T1 samples, we help you get your product to market faster.
16 Years of "In-House" Control
We don't outsource the critical work. From mold making to injection, it happens under our roof. This means we are 100% responsible for the quality and the timeline.
Communication Without Barriers
Our team speaks English and understands Western engineering standards. You won't face the frustration of "lost in translation" or ghosting. As our clients Mike and Sarah testified, we respond quickly to modification requests.
Mastery of "Difficult" Materials
Many shops can mold standard ABS. GBM specializes in high-temperature, high-performance resins like PEEK, PPS, LCP, and Glass-Filled Nylon. We have the equipment to control mold temperatures precisely to prevent warping in these expensive materials.
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Know About GBM
Rooted in Shenzhen, the global hub of manufacturing, GBM combines a decade of engineering heritage with state-of-the-art facilities to deliver world-class tooling.
Our Certifications
The Ultimate Guide To Precision Injection Molding Solutions By GBM
In today’s demanding industrial landscape, high-precision plastic components are no longer a luxury—they are a necessity for performance and safety. At GBM, we aim to simplify the complex journey from mold design to high-volume production. Whether you are developing intricate medical devices or complex automotive connectors, GBM provides engineering-driven solutions to meet your strictest tolerances with excellence.
Table of Contents
What is a molded connector?
A molded connector is the foundation of any reliable electronic connection, ranging from simple audio jacks to complex multi-pin automotive interfaces.
It is created using precision molds that form the exact cavities needed to ensure wires, pins, and circuits align perfectly every time.
At GBM, our high-precision molds achieve tight tolerances of up to ±0.005 mm, effectively eliminating connection failures and ensuring your devices work flawlessly.
What is the process of connector molding?
The process begins before any steel is cut, using comprehensive Design for Manufacturability (DFM) analysis and Moldflow simulations to predict and prevent risks like warpage or air traps.
Once the design is optimized, we utilize advanced CNC and EDM machining to build the tool, ensuring that the 1,000,000th part is identical to the first.
Finally, the process often involves specialized techniques like insert molding to securely integrate metal terminals directly into the plastic housing, which enhances part strength and eliminates secondary assembly.
How to make molded connectors?
Making high-performance molded connectors requires investing in consistency rather than cheap, defect-prone tooling.
At GBM, we manufacture them by combining durable, high-grade steel with smart cooling system designs to speed up cycle times.
We also expertly process high-temperature, high-performance resins like PEEK, PPS, and LCP, using precise mold temperature controls to mold intricate geometries—such as grid-like structures and micro-connectors—without warping.
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Frequently Asked Questions
Our connector molds are built with precision and reliability, ensuring optimal performance for your manufacturing needs.
We prioritize your peace of mind with our warranties and refund policy. Your satisfaction is our commitment, guaranteeing a risk-free investment.
We handle both plastics and metals. For plastics, we commonly use PA, PBT, LCP, and ABS due to their strength and electronic safety. For metal inserts, we work with copper, brass, and steel.
Absolutely. We utilize multi-cavity molds and hot runner systems to support massive output while maintaining consistency.
We are obsessed with accuracy. We use CNC and mirror EDM machining to reach tolerances as tight as ±0.005mm.
Yes. We offer a complimentary 30-minute design consultation where we can explore material options and budget strategies with no obligations.
Let’s Perfect Your 2-Shot Project Together
From material compatibility to complex mold structures, leverage GBM’s 15+ years of expertise to avoid costly production errors. Get the technical support your project deserves.






















