STANDARD PIPE TAP $53.23 1/4-18 NPT PIPE TAP STANDARD PIPE TAP quantity Add to cart SKU: OSG 1310300 Categories: Straight Flute, Taps, Threading Description 1/4-18 NPT PIPE TAP Diameter Diameter (decimal inch) Length of cut Overall length Shank diameter End style Corner radius Finish Flute type Flutes Helix Single/double end Tool length Neck length Included angle Brand Weight upc Tube width Tube height Tube length Related products 1/8 – 27 SM SHK 4F ST FL TAP NPT $31.71 Add to cart 3/8 – 18 4F ST FL TAP NPTF $46.03 Add to cart M8-1.25, D9 R-FORM TAP W/COOL GRV TICN B $25.91 Add to cart 1/4 – 18 4F ST FL TAP NPT $34.87 Add to cart