(4) 6-32x1/4" SCREWS for Standard Gauge Steam Engines Accessories Trains 6-32x1/4" SCREWS for Standard Gauge Steam Engines Accessories Trains. ALL items are new Precision Manufactured for Steam Engines, Diesel Locomotives, Cars, Rolling Stock, Accessories, Track, Transformers, unless noted. We Precision Manufacture Quality replacement parts and facsimiles for TRAINS. ADD THIS to YOUR WATCH LIST fo ...