Pipe Insertion Depth and Size Chart SharkBite Fitting SizeNominal Pipe SizeSharkBite 1st Generation Insertion Depth 1/4 in.1/4 in. CTS13/16 in. (21 mm.) 3/8 in.3/8 in. CTS15/16 in. (24 mm.) 1/2 in.1/2 in. CTS15/16 in. (24 mm.) 5/8 in.5/8 in. CTS1-1/8 in. (29 mm.) 5 more rows