Dormer Dies NPT - National taper pipe 1/4 x 18 HSS Normal Right

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Delivered between Tue, 17/6 and Fri, 20/6
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Product details

The Dormer NPT die is a high-precision tool specifically designed for machining tapered pipe threads according to the NPT standard (National Taper Pipe). With a thread diameter of 1/4 inch and a pitch of 18 threads per inch, this die is ideal for applications in construction steel, carbon steel, ferritic stainless steel, and gray cast iron. The ground surface made of high-speed steel (HSS) ensures high cutting performance and durability, while the dimensions conforming to ISO 2568 standards guarantee a precise fit. The tool is designed for right-hand rotation and offers a normal tolerance class that enables reliable thread production. With a height of 14 mm and an outer diameter of 38 mm, this die is suitable for both professional and industrial applications.

  • High-speed steel (HSS) for improved cutting performance
  • Suitable for tapered pipe threads according to NPT standard
  • Ground surface for increased precision and durability
  • Designed for use in various materials such as construction steel and stainless steel
  • ISO 2568 compliant dimensions for a precise fit.

Key specifications

tap type
Threading die
thread type
NPT1/4
Set
Singles
Item number
22161109

General information

Manufacturer
Dormer
Category
Threading taps + Threading dies
Manufacturer no.
F1801/4
Release date
13/9/2022

Tap Properties

tap type
Threading die
thread type
NPT1/4
Internal diameter
101.60 mm
Outside diameter
38 mm
gradient
0.15 mm
DIN standard
ISO 2568
Set
Singles
Direction of rotation
Right

Origin

Country of origin
Germany

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
1 cutting die

Product dimensions

Length
14 mm
Diameter
101.60 mm

14-day cancellation right
30-day right of return
24 Months statutory warranty

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Reviews & Ratings

Statutory warranty score

How often does a product of this brand in the «Threading taps + Threading dies» category have a defect within the first 24 months?

Source: Galaxus
  • Dormer
    Not enough data
  • 1.Exact
    0 %
  • 1.HAZET
    0 %
  • 1.Rs Pro
    0 %
  • 4.BGS
    0,2 %

Statutory warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Galaxus
  • Dormer
    Not enough data
  • BGS
    Not enough data
  • Exact
    Not enough data
  • HAZET
    Not enough data
  • KS Tools
    Not enough data

Unfortunately, we don't have enough data for this category yet.

Return rate

How often is a product of this brand in the «Threading taps + Threading dies» category returned?

Source: Galaxus
  • Dormer
    Not enough data
  • 1.BGS
    0,8 %
  • 2.HAZET
    0,9 %
  • 2.Ruko
    0,9 %
  • 4.Rs Pro
    1,1 %
Source: Galaxus