Choose from our selection of NPTF taps, including general purpose taps, tap sets, and more. Same and Next Day Delivery.

Drill America 12 Piece Carbon Steel NPT Pipe Tap and Die Set, 1/8", 1/4", 3/8", 1/2", 3/4" and 1" in Wooden Case

The use of an NPTF marked tap for NPT applications is appropriate, however NPT taps cannot be used for dryseal (NPTF). When visually comparing these two styles in the same size they look identical. Both have a ¾” taper in 12 inches of length and at the top of a threaded hole the pitch diameters are the same, the variation is in the crest and ...

NPTF (American National Taper Pipe Fuel) commonly called Dryseal taps are designed for pressure tight joints and must be assembled wrench tight with metal to metal contact of the entire thread profile to eliminate spiral leakage.

Acquire a modish and excellent addition to complete your tough tasks comfortably in the jobsite by choosing this Drill America and Carbon Steel NPT Pipe Tap and Die Set.

1/8"-27 NPT / NPTF Tapered HSS-E Pipe Tap, 0.313" Shank x 0.75" Thread Length, 4 Flute, Steam Oxide Coated Global, Except Europe * All prices and specifications subject to change without notice.

It is a tapered pipe thread per ASTM B 1.20.3, derived from the more common NPT standard. It is often referred to as “Dryseal thread”. The tolerances of NPTF are tighter and create a “Metal to Metal” contact between the male and female parts, thus creating a better seal without the need for sealing material.

Choose from our selection of NPT taps, including general purpose taps, tap sets, and more. Same and Next Day Delivery.