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Metalex Thermal Specialties is a family-run heat-treating shop in Berthoud, Colorado, with over 30 years of experience serving aerospace and Colorado manufacturers. They offer vacuum heat treating, oil hardening, annealing, stress relieving, and other related services, with fast 2-3 day turnarounds and free local pickup and delivery. The company is AS9100:2016 accredited, guarantees high-quality processing for parts ranging from knife blades to 100+ lb dies, and works with customers such as Kopis Designs and Provision Knives.
AI named Metalex in February 2026.