Precision Parts for Tools That Perform
In the hand tool industry, safety, reliability, and user comfort are non-negotiable. At Principal Manufacturing Corporation, we deliver high-volume metal stamping, precision-machined components, and overmolded features designed to meet demanding performance, ergonomic, and durability standards.
With in-house tooling, integrated production, and a flexible approach to part design and scaling, we help OEMs and tool manufacturers accelerate speed to market without compromising strength or quality.
Built for Strength, Safety, and Scalability
We support a wide range of hand tool components, including:
- Handles and grips with overmolded surfaces
- Mounting and structural brackets
- Levers, triggers, and actuators
- Cutting, fastening, or striking elements
- Stamped metal inserts and housing components
- Precision mating features requiring tight tolerances
Whether you’re producing thousands of units or shifting to a new product line, our processes are built to flex with your needs.
Complete In-House Capabilities
Our vertically integrated model brings together:
- Fine blanking for fully sheared edges and repeatable geometries
- High-volume metal stamping with progressive dies and compound tooling
- CNC machining for tight-tolerance shafts, bores, or slots
- Plastic overmolding for enhanced grip, protection, and aesthetics
- Custom stamped metal components from carbon steel, stainless, brass, copper, and more
- Secondary operations like orbital riveting, tapping, and automated assembly
We also produce sheet metal stampings and hybrid components that combine metal and plastic for a streamlined final assembly.
Certified High Quality Metal Stamping for Critical Applications
Every part we produce is backed by rigorous quality control. Principal is certified to IATF 16949:2016 and ISO 14001:2015, and we maintain ITAR compliance for regulated applications. Our inspection lab verifies form, fit, and finish — ensuring that every component performs as expected, every time.
Why Hand Tool Manufacturers Partner with Principal
- Precision metal stamping parts designed and built in-house
- Short-run and high-volume flexibility under one roof
- Advanced tooling design for complex metal stamping geometries and production efficiency
- End-to-end control over cost, quality, and timing
- Collaborative engineering support from concept to production
Looking for a stamped metal parts manufacturer that understands the performance demands of the hand tool industry?
We’re ready to help you build smarter, stronger tools.