Machined on computer controlled equipment from solid 300 series stainless steel bar stock, ERL’s Stem Adapters represent the most simple economical way to ensure a perfect Handwheel to reach rod fit. ERL’s Class III threads, matched stainless steel nut and heavy flat washer secure the steel nut and the heavy flat washer secure the Handwheel safely, yet allow it to easily be removed without applying heat and force. For ultimate flexibility the Stem Adapter can be either bolted or welded to unmachined stainless steel bar stock.