- Vintage Early 60's Filtertron Bobbins
- Made in USA
- Semi-Translucent Nylon
- Coil area winding dimensions - length - 2.126" (54mm), width - .194" (4.92mm), and height - .25 (6.4mm)
- Pole spacing - 1 29/32" (48.3mm)
- Bobbins are designed to accept SAE 6-40 threaded pole screws
- Qty 2 bobbins
Extremely accurate reproduction of the early 60's Filtertron bobbins. Made from semi-translucent nylon, just like the originals!
MM or CM to Fractions of Inches
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Excellent Quality
Very high quality bobbins. Vintage correct, as described. Tap for 6-40 screws before winding, and you are set.
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Filtertron bobbins
Excellent product. They look exactly right. Once tapped properly to 6-40, they are flawless.
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6-40 SAE Fillister Screws Do Not Fit These Bobbins
Ordered these bobbins which seem nicely made and vintage accurate, but the matching Fillister pole screws with 6-40 threading don't screw into bobbins without extreme force. I think these maybe in fact threaded for different screws.
