Female Pipe Mold Coolant Plug SKU Body Size Threads Material HFPN251F 1/4 1/8-27 NPTF Steel HFBPN251F 1/4 1/8-27 NPTF Brass HFPN252F 1/4 1/4-18 NPTF Steel HFBPN252F 1/4 1/4-18 NPTF Brass HFPN253F 1/4 3/8-18 NPTF Steel HFBPN253F 1/4 3/8-18 NPTF Brass HFPN352F 3/8 1/4-18 NPTF Steel HFBPN352F 3/8 1/4-18 NPTF Brass HFPN353F 3/8 3/8-18 NPTF Steel HFBPN353F 3/8 3/8-18 NPTF Brass HFBPN454F 1/2 1/2-14 NPTF Brass HFBPN456F 1/2 3/4-14 NPTF Brass
