What is this hexagonal die nut used for?

It is designed for manually repairing and chasing damaged BSW 1"-8 external threads.

What tool is needed to turn this die nut?

With its hexagonal design and 50 mm width across flats, you can use a standard open-end wrench, ring spanner, or socket. No die stock is required.

What are the exact thread specifications?

It cuts a right-hand BSW (British Standard Whitworth) thread sized 1" with a pitch of 8 TPI (threads per inch).

What material is this die nut made from?

It is made from HSS (high speed steel), ensuring high wear resistance and precise cutting performance.

What are the external dimensions of this die nut?

The die nut has a width across flats of 50 mm and a thickness of 22 mm according to DIN 382.

INTERNATIONAL TOOLS 279402540 ECO PRO HSS hexagonal cutting nut DIN 382 BSW (Whitworth) 1"-8

Name: INTERNATIONAL TOOLS 279402540 ECO PRO HSS hexagonal cutting nut DIN 382 BSW (Whitworth) 1"-8
Brand: INTERNATIONAL TOOLS
SKU: 51300445
Price: 154.82 EUR
Availability: PreOrder

Supplier number: INTERNATIONAL TOOLS 279402540 | EAN 8716563350163

154.82 tax incl.

€127.95 excl. VAT (incl. all environmental contributions)

On order: delivered from 12/10/2026

Ordered before 20:00 - delivered as of 12/10/2026
Free shipping
Delivery by DHL
Delivered from Belgium

✆ Talk to a specialist

Accurate thread repair in confined installation spaces

Practical benefits

Easy use with standard spanners: Thanks to the 50 mm hexagonal profile, you can operate this die nut effortlessly using a standard open-ended or ring spanner.
Standardised DIN 382 precision: You repair and recut right-hand 1"-8 BSW external threads cleanly in full compliance with the DIN 382 standard.
Durable high speed steel: The hardened HSS construction resists wear and retains sharp cutting edges during demanding metalworking tasks.

In a nutshell

The right choise for

With the International Tools eco pro hexagon die nut, you can repair and chase damaged external threads quickly and accurately. This die nut is designed for right-hand 1" bsw threads with a pitch of 8 TPI. Featuring a 50 mm hexagonal width across flats and a thickness of 22 mm, it eliminates the need for a round die stock. You can easily turn it using a standard open-ended spanner, ring spanner, or socket, making it ideal for maintenance work in confined and hard-to-reach spaces. Manufactured from wear-resistant hss in accordance with din 382, it maintains sharp cutting performance for dependable results in metalworking tasks.

Product information FAQ

€154.82

tax incl.

Key features according to our expert

Thread size: 1"
Thread type: BSW
Cutting direction: Right
Width across flats: 50 mm
Pitch: 8 tpi

Product Description:

International Tools ECO PRO HSS Hexagon Die Nut DIN 382 BSW (Whitworth)
DIN 382, 55°

All Features

Thread size: 1"
Thread type: BSW
Cutting direction: Right
Width across flats: 50 mm
Pitch: 8 tpi
Die thickness (b1): 22 mm
Tool material: HSS
Thread diameter (d1): BSW 1
Hexagon size (sw): 50 mm
Tolerance d1 (tol. d1): Medium
Surface: Bright
Standard: DIN 382
Pitch-inch (tpi): 8 Threads per inch

Brand INTERNATIONAL TOOLS
51300445
EAN 8716563350163
Supplier number INTERNATIONAL TOOLS 279402540

Frequently asked questions about this product

Answered by specialists

What is this hexagonal die nut used for?: It is designed for manually repairing and chasing damaged BSW 1"-8 external threads.
What tool is needed to turn this die nut?: With its hexagonal design and 50 mm width across flats, you can use a standard open-end wrench, ring spanner, or socket. No die stock is required.
What are the exact thread specifications?: It cuts a right-hand BSW (British Standard Whitworth) thread sized 1" with a pitch of 8 TPI (threads per inch).
What material is this die nut made from?: It is made from HSS (high speed steel), ensuring high wear resistance and precise cutting performance.
What are the external dimensions of this die nut?: The die nut has a width across flats of 50 mm and a thickness of 22 mm according to DIN 382.