Male Pipe Long Mold Coolant Nipple SKU Body Size Threads Material Length HFPN251-25 1/4 1/8-27 NPTF Brass 2.50 HFPN251-40 1/4 1/8-27 NPTF Brass 4.00 HFPN251-55 1/4 1/8-27 NPTF Brass 5.50 HFPN252-25 1/4 1/4-18 NPTF Brass 2.50 HFPN252-40 1/4 1/4-18 NPTF Brass 4.00 HFPN252-55 1/4 1/4-18 NPTF Brass 5.50 HFPN252-70 1/4 1/4-18 NPTF Brass 5.50 HFPN351-25 3/8 1/8-27 NPTF Brass 2.50 HFPN351-40 3/8 1/8-27 NPTF Brass 4.00 HFPN351-55 3/8 1/8-27 NPTF Brass 5.50 HFPN351-70 3/8 1/8-27 NPTF Brass 7.00 HFPN352-25 3/8 1/4-18 NPTF Brass 2.50 HFPN352-40 3/8 1/4-18 NPTF Brass 4.00 HFPN352-55 3/8 1/4-18 NPTF Brass 5.50 HFPN352-70 3/8 1/4-18 NPTF Brass 7.00 HFPN352-85 3/8 1/4-18 NPTF Brass 8.50 HFPN352-115 3/8 1/4-18 NPTF Brass 11.50