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National Pipe Taper (NPT)

NPT - National Pipe Taper Dies and Dienuts. to ANSI B1.20.1.

Split circular Dies are stocked as standard. General purpose dies for use on most common materials. The chamfer is ground, with lapped threads and cut thread consistently to size.

Dies are available in the solid version on request and also with a spiral entry. The spiral entry causes a peeling cut with swarf being forced ahead of the die - use recommended for use in attachments or machines.

Left Hand Dies also available for left hand threads.

HSS HEX Dienuts for general purpose repairing and cleaning of threads. Available on request for Left Hand Threads.

If your size requirement is not listed please enquire all Dies and Die nuts can be sourced.

Full Range Specification

Info

Part No

Description

Shank
Dia
mm
Threads
Per
Inch

In Stock

Price

Qty

Add

NPT-1/16-D

1/16 NPT HSS Die

027

0

£87.09

NPT-1/8-D

1/8 NPT HSS Die x1 OD

027

1

£31.25

NPT-1/8-DN

1/8 NPT HSS Die Nut

027

1

£16.85

NPT-1/4-D

1/4 NPT HSS Die

1.31318

2

£37.13

NPT-1/4-DN

1/4 NPT HSS Die Nut

018

1

£37.71

NPT-3/8-D

3/8 NPT HSS Die

018

0

£48.57

NPT-3/8-DN

3/8 NPT HSS Die Nut

018

0

£33.39

NPT-1/2-D

1/2 NPT HSS Die x 2"OD

014

1

£48.53

NPT-1/2-DN

1/2 NPT HSS Die Nut

014

1

£66.57

NPT-3/4-D

3/4 NPT HSS Die

014

2

£82.08

NPT-3/4-DN

3/4 NPT HSS Die Nut

014

1

£92.88

NPT-1-D

1in NPT HSS Die

011

0

£179.19

NPT-1-DN

1in NPT HSS Die Nut

012

0

£138.35

NPT-2-D

2 NPT HSS Die x 4"OD

00

1

£167.85

NPT-1.1/4-D

1.1/4 NPT HSS Die x 3"OD

00

0

£167.85

NPT-1-1/4-DN

1-1/4 NPT HSS Die Nut

012

0

£157.66

NPT-1.1/2-D

1.1/2 NPT HSS Die

012

0

£256.08

NPT-1.1/2-DN

1.1/2 NPT HSS Die Nut

012

1

£256.08