A History of Excellence – Since 1952

Custom Plastic Injection Molding Services
Top-Rated Molds Shop Serving the West Coast
A History of Excellence
Since 1952

Full Service Mold Maker
& Plastic injection Molding Company
Low-volume, tight-tolerance plastic injection molding.
H&H has spent decades refining our mold-making & injection molding techniques. We don’t just ship custom parts — we create molding components that keep your production lines running at full steam.
H&H Molds is built to withstand global trade volatility:
Many manufacturers remain vulnerable to shifting tariffs and overseas uncertainty. Supply chains can crack virtually overnight. That’s why H&H keeps the core of your project anchored firmly on US soil. Even if a build involves global components, your work will remain protected under American standards, accountability, & oversight.

Since 1952, as Pre-Met and eventually H&H Molds, we have been at the forefront of precision injection molding and mold making, serving industries across the spectrum. Over the years, we’ve built a reputation for delivering cost-effective solutions that never compromise quality. Our journey began with a focus on craftsmanship, and today, that same commitment drives our pursuit of innovation and excellence.
We specialize in low volume, tight tolerance molding of engineering and commodity grade thermoplastic resins.
Whether you need engineering-grade thermoplastic parts or commodity-grade components, our dedicated team ensures that every project is completed with meticulous attention to detail. This dedication has allowed us to evolve into one of the Pacific Northwest’s most trusted names in injection molding.
We Serve a Wide Variety of Industries
At H&H Molds, we take pride in delivering specialized plastic molding solutions across various industries, each with its unique challenges and requirements. In manufacturing, our precision-engineered components enhance efficiency in heavy machinery and tooling. We meet stringent regulatory standards for the life sciences sector, producing critical parts for testing, packaging, and medical delivery systems. Technology firms rely on us for prototyping and full-scale production, helping drive innovation. In the consumer goods space, we transform creative concepts into durable, high-quality products designed for everyday use. In agribusiness, our components support irrigation systems and farming equipment, ensuring reliability in even the most demanding agricultural environments. Whatever the industry, we deliver quality, precision, and performance tailored to our clients’ needs.
Your one-stop source for quality tooling and molded parts Made in the U.S.A. H&H Molds is a molding company you can trust.
Our highly trained staff of plastic molding experts, engineers, operators, and quality personnel ensures that we produce the highest quality parts.

Prototype Purgatory – Where 3D Printing Hits the Wall
Somewhere between your fourth espresso and the fifteenth tweak to your CAD file, you realize you’ve become a 3D printing aficionado. The speed! The price! The heady thrill of holding your idea in plastic before your coffee has even cooled... But then, as the requests start to pile up and the stakes get higher, it hits you: you’re trapped in prototype purgatory, and the escape hatch isn’t another→
When We Tell People to Wait (Why That’s Hard)
Everyone loves the adrenaline of a fast turnaround—until the invoice for the second try shows up. At H&H, we move quickly when it’s smart. But there are moments we’ll tap the brakes and ask for 24–48 hours of “prevention time.” Not because we enjoy slowing a launch, but because we’ve seen how speed, applied in the wrong places, turns into rework, scrap, and schedule chaos. Waiting feels expensive→
If Injection Molds Had Yelp Reviews: Five-Star Tales (and Cautionary Horror Stories)
We don't give names to our injection molds, but if we did, some would be the legendary regulars — coasting into the shop at dawn, churning out perfect parts, always earning their five stars. And others? Let’s just say they’d be leaving unhinged voicemails for management if they could. The truth is, all injection molds tell their own story, usually far juicier than anything you’ll hear at the→






