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British Standard Whitworth (BSW)

BSW - British Standard Whitworth Dies and Dienuts. to BS 84 DIN EN 22568. The Whitworth thread is the first national screw thread standard.

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

Threads
Per
Inch

In Stock

Price

Qty

Add

BSW-1/8-D

1/8 BSW HSS Die

40

1

£12.46

BSW-1/8-DN

1/8 BSW HSS Die Nut

40

2

£20.11

BSW-5/32-D

5/32 BSW HSS Die x 5/8 O/D

32

1

£13.07

BSW-5/32-D1

5/32 BSW HSS Die x 13/16 O/D

32

0

£ POA

BSW-5/32-D2

5/32 BSW HSS Die x 20mm O/D

32

0

£ POA

BSW-5/32-DN

5/32 BSW HSS Die Nut

32

0

£50.23

BSW-3/16-D

3/16 BSW HSS Die x 13/16

24

2

£11.97

BSW-3/16-D1

3/16 BSW HSS Die x 20mm

24

1

£8.19

BSW-3/16-DN

3/16 BSW HSS Die Nut

24

1

£8.19

BSW-7/32-D

7/32 BSW HSS Die x 5/8 O/D

24

0

£ POA

BSW-3/16DN

3/16 BSW HSS Die Nut

24

0

£15.70

BSW-1/4-D

1/4 BSW HSS Die

20

2

£9.84

BSW-1/4-D2

1/4 BSW HSS Die x 1.5/16 OD

20

2

£11.36

BSW-1/4-DN

1/4 BSW HSS Die Nut

20

2

£7.81

BSW-1/4X5/8-D

1/4 BSW HSS Die x 5/8

20

1

£7.81

BSW-1/4-D1

1/4 BSW HSS Die x 1

20

0

£30.99

BSW-5/16-D

5/16 BSW HSS Die x 1

18

1

£11.77

BSW-5/16-D1

5/16 BSW HSS Die x 1.5/16

18

0

£55.57

BSW-5/16-D2

5/16 BSW HSS Die x 2" OD

18

1

£55.57

BSW-5/16-DN

5/16 BSW HSS Die Nut

18

1

£12.87

BSW-3/8-D

3/8 BSW HSS Die x 1

16

2

£11.32

BSW-3/8-D1

3/8 BSW HSS Die x 1.5/16

16

1

£45.67

BSW-3/8-D3

3/8 BSW HSS Die x 30mm

16

1

£45.67

BSW-3/8-DN

3/8 BSW HSS Die Nut

16

3

£14.95

BSW-9/32-D

9/32 BSW HSS Die 1" OD

32

1

£19.97

BSW-7/16-D

7/16 BSW HSS Die

14

0

£17.03

BSW-7/16-DN

7/16 BSW HSS Die Nut

14

2

£18.35

BSW-1/2-D

1/2 BSW HSS Die x 1.5/16

12

1

£17.03

BSW-1/2-D1

1/2 BSW HSS Die x 2

12

0

£20.00

BSW-1/2-DN

1/2 BSW HSS Die Nut

12

0

£18.33

BSW-9/16-D

9/16 BSW HSS Die x1.5/16 OD

12

1

£17.03

BSW-9/16-DN

9/16 BSW HSS Die Nut

12

1

£21.76

BSW-5/8-D

5/8 BSW HSS Die

11

1

£19.90

BSW-5/8-DN

5/8 BSW HSS Die Nut

11

0

£22.63

BSW-3/4-D

3/4 BSW HSS Die x 1.1/2

10

0

£22.70

BSW-3/4-DN

3/4 BSW HSS Die Nut

10

1

£45.41

BSW-7/8-D

7/8 BSW HSS Die x 2

9

1

£47.51

BSW-7/8-DN

7/8 BSW HSS Die Nut

9

0

£31.50

BSW-1-D

1" BSW HSS Die x 2"

8

1

£24.32

BSW-1-DN

1in BSW HSS Die Nut

8

1

£46.51

BSW-1.1/8-D

1.1/8 BSW HSS Die

7

0

£100.99

BSW-1.1/8-DN

1.1/8 BSW HSS Die Nut

7

0

£70.30

BSW-1.1/4-DN

1.1/4 BSW HSS Die Nut

0

1

£46.51

BSW-1.1/4-D

1.1/4 BSW HSS Die x3"OD

7

1

£100.99

BSW-1.1/2-D

1.1/2 BSW HSS Die x3"OD

6

1

£100.99

BSW-1.1/2-DN

1.1/2 BSW HSS Die Nut

6

1

£90.82