... T coupling, Sub OD coupling, with various spec. of Full size, Slim Hole, grand chamfer, Two-way camber, etc. With world ... High Strength Sucker Rod Coupling5/8” FULL SIZE SPRAY METAL COUPLING WITH TWO WRENCH FLATSSIZEO.D.I.D.LengthWeightWrench Flat(L×W ... TREATMENTPHOSPHATINGSPRAY WELD THICKNESS0.254mm~0.508mm(0.01in-0.02in)SIZE TYPEFULL SIZE, SLIM HOLE, OVER SIZETHREAD SIZES5/8", 3/4", 7 ...