3" DIA Brass Corona Ball
Available Thread: 1/4-20 (other threads available by request)
- High voltage corona suppression (use on sharp bolts, etc...)
- Spark gap electrodes
- Grounded target electrodes and handheld strike rods
- Safety spark gaps
All corona balls are custom CNC machined to order with a non-polish finish. Corona ball orders under $100 will require a $15.00 machining and set-up charge. To prevent a delay to your order, please add the set-up charge to your order using the ADD TO CART button above for any orders less than $100. We thank you for your understanding.