Purchase the Thumb Screw (MD321), a replacement thumb screw for the MD-600, MD-700, & U-555 heaters.
- One (1) Replacement thumb screw for MD-600, MD-700, & U-555
Browse Our Selection of Accessories
Please Note: Induction Innovations'® High Performance Induction Heaters are available for sale through professional tool distributors. All of our accessories and replacement parts are available for sale through authorized Mini-Ductor® and Inductor® Series resellers.