Thank you for your inquiry, Jstickn! The Delta Roman Tub Spout Set Screw RP18395 is a .250-28 (2.2 x 1.8 x 2 inches) UNF hexagon socket set screw. It is .438 (1/4-28 x .625) inches long with 5/8 threads. A 1/8" (3.17mm) Allen wrench can be used to remove this set screw.
Date published: 2018-12-29