Insights & Guides

Practical, no-nonsense guidance on machining and fabricating engineering plastics — from a shop that's been doing it since 1968.

August 10, 2026 · 4 min read

Machining Delrin (Acetal): Realistic Tolerances, Tooling Tips, and When It Beats Metal

A shop-floor guide to machining Delrin and acetal — the tolerances you can realistically hold, tool and stress-relief notes, and when acetal is the right call over nylon, PEEK, or metal.

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August 5, 2026 · 3 min read

Machining PEEK: Realistic Tolerances, Tooling Tips, and When It's Worth It

A shop-floor guide to machining PEEK — the tolerances you can realistically hold, tool and speed notes, and when PEEK earns its price over cheaper engineering plastics.

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