Tuning screws for filters.
Fine-pitch, precision-plated tuning screws that turn smoothly, hold their setting and repeat — lot after lot.
The small part that sets the frequency.
In a cavity or combline filter, the tuning screw is what dials in the response. Thread quality, concentricity and plating all show up on the network analyzer. HTS Swiss-turns tuning screws complete from bar stock, so every thread is consistent and every screw behaves like the last.
- Fine, concentric threads for smooth, precise adjustment
- Tight diameter and length control for repeatable insertion
- Plated finishes for low-loss RF performance
- Made to your print — prototype through production volumes
Built to your specification
Typical configurations we produce. Don't see yours? Send the print — custom is our standard.
- Materials
- Brass, stainless steel, aluminum, Invar and other machinable alloys per print
- Finishes
- Gold, silver and nickel plating; passivation for stainless
- Threads
- Fine and standard UNC / UNF and metric pitches
- Drive styles
- Slotted, hex socket, or plain shank
- Accessories
- Matching lock nuts and threaded bushings
- Quantities
- Prototype lots through full production runs
Consistency you can measure.
Filter builders depend on parts that don't vary from one lot to the next. Because we design our own tooling and run our own inspection, we deliver the same part every time — and we deliver it when we said we would.
Quote Tuning ScrewsHave a print or a spec to quote?
Send us your drawing or military part number. We'll respond with pricing and a realistic delivery date — expediting is part of our process at no extra cost.