For coils up to 1MV, 24" diameter x 6" height spun aluminum with ½" center hole.
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These are spun aluminum of grade 1100-O (99% pure aluminum), with a welded seam that has been smoothed and polished and cannot be seen. Aluminum wall thickness is approximately 1/16" (so the flat central area is about 1/8" thick, for example). Excellent for Tesla coils requiring a capacitive terminal and high voltage DC generators.
Our laboratory has the tooling and now offers many sizes of toroidal terminals: have a look at our PDF sheet to see other available sizes from 3 to 98 inches!
THE LARGER SIZE TORROIDS (>18") ARE "MADE TO ORDER" AND MAY TAKE UP TO 6-8 WEEKS FOR DELIVERY. PLEASE CALL US WITH ANY QUESTIONS ON AVAILABILITY.
Quantity discounts available -- contact us for more information.