A History of Excellence – Since 1952

Custom Plastic Injection Molding Services
Precision-driven plastic parts built for mission-critical performance
A History of Excellence
Since 1952

Full Service Mold Maker
& Plastic injection Molding Company
High-Volume Injection Molding with Tight-Tolerance Precision
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.

When High-Volume Plastic Injection Molding Is the Wrong Move
High-volume molding isn’t just about making more parts. It’s a commitment to a stable design, demand, and process windows for months or years. Without these, higher volume becomes an expensive way to find more surprises. The economics only work when mold and process costs are spread over a predictable output. Multi-cavity tools, hot runners, hardened steel, and automation aren’t bad—they’re just demanding. For example, our shop can run→
East Coast Plastic Injection Molding vs West Coast – How Important is Geography?
Many buyers start the same way: they search for an East Coast plastic injection molding company because their plant, warehouse, or team is on the East Coast. That’s smart, and a reasonable starting point. Shorter freight lanes. Easier visits. Fewer time zones. Less internal explaining to procurement about why you picked a shop across the country. Here’s the problem: freight and geography often get more weight because they’re→
Offshore Mold Builds Aren’t Evil; Lying About Their Origin Is
You don’t care which passport your mold builder carries. You care whether the mold runs, delivers good parts, and doesn’t vanish into the ether when there’s a problem. That’s the reality for every OEM and manufacturer in Spokane, Seattle, or Taipei—parts are king, excuses are landfill. The real threat isn’t an offshore mold build; it’s the shop that buries the mold’s origin under a mountain of white-label contracts,→






