+3 Coupling Weldless 400000007342 $15.99 In stock Quantity: 1 Add to Bag Product Details Weldless Thermometer coupling. Drill a hole and use this as a bulkhead to install anything with 1/2" MPT to your kettle! 1/2" Female threaded For use with SS Dial Thermometer 304 SS construction Hi-temp silicone o-rings Fits into 13/16" punch hole Save this product for later Favorite