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Drill Service (Horley) Ltd

Contact sales on sales@drill-service.co.uk or call +44 (0)1293774911

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.

Part No.

Description

 

Threads Per Inch

Price

BSW-1/8-D

1/8 BSW HSS Die

 

40

£12.46

BSW-1/8-DN

1/8 BSW HSS Die Nut

 

40

£20.11

BSW-5/32-D

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

 

32

£13.07

BSW-5/32-D1

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

 

32

POA

BSW-5/32-D2

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

 

32

POA

BSW-5/32-DN

5/32 BSW HSS Die Nut

 

32

£50.23

BSW-3/16-D

3/16 BSW HSS Die x 13/16

 

24

£11.97

BSW-3/16-D1

3/16 BSW HSS Die x 20mm

 

24

£8.19

BSW-3/16-DN

3/16 BSW HSS Die Nut

 

24

£8.19

BSW-7/32-D

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

 

24

POA

BSW-3/16DN

3/16 BSW HSS Die Nut

 

24

£15.70

BSW-1/4-D

1/4 BSW HSS Die

 

20

£9.84

BSW-1/4-D2

1/4 BSW HSS Die x 1.5/16 OD

 

20

£11.36

BSW-1/4-DN

1/4 BSW HSS Die Nut

 

20

£7.81

BSW-1/4X5/8-D

1/4 BSW HSS Die x 5/8

 

20

£7.81

Part No.

Description

 

Threads Per Inch

Price

BSW-1/4-D1

1/4 BSW HSS Die x 1

 

20

£30.99

BSW-5/16-D

5/16 BSW HSS Die x 1

 

18

£11.77

BSW-5/16-D1

5/16 BSW HSS Die x 1.5/16

 

18

£55.57

BSW-5/16-D2

5/16 BSW HSS Die x 2" OD

 

18

£55.57

BSW-5/16-DN

5/16 BSW HSS Die Nut

 

18

£12.87

BSW-3/8-D

3/8 BSW HSS Die x 1

 

16

£11.32

BSW-3/8-D1

3/8 BSW HSS Die x 1.5/16

 

16

£45.67

BSW-3/8-D3

3/8 BSW HSS Die x 30mm

 

16

£45.67

BSW-3/8-DN

3/8 BSW HSS Die Nut

 

16

£14.95

BSW-9/32-D

9/32 BSW HSS Die 1" OD

 

32

£19.97

BSW-7/16-D

7/16 BSW HSS Die

 

14

£17.03

BSW-7/16-DN

7/16 BSW HSS Die Nut

 

14

£18.35

BSW-1/2-D

1/2 BSW HSS Die x 1.5/16

 

12

£17.03

BSW-1/2-D1

1/2 BSW HSS Die x 2

 

12

£20.00

BSW-1/2-DN

1/2 BSW HSS Die Nut

 

12

£18.33

Part No.

Description

 

Threads Per Inch

Price

BSW-9/16-D

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

 

12

£17.03

BSW-9/16-DN

9/16 BSW HSS Die Nut

 

12

£21.76

BSW-5/8-D

5/8 BSW HSS Die

 

11

£19.90

BSW-5/8-DN

5/8 BSW HSS Die Nut

 

11

£22.63

BSW-3/4-D

3/4 BSW HSS Die x 1.1/2

 

10

£22.70

BSW-3/4-DN

3/4 BSW HSS Die Nut

 

10

£45.41

BSW-7/8-D

7/8 BSW HSS Die x 2

 

9

£47.51

BSW-7/8-DN

7/8 BSW HSS Die Nut

 

9

£31.50

BSW-1-D

1" BSW HSS Die x 2"

 

8

£24.32

BSW-1-DN

1in BSW HSS Die Nut

 

8

£46.51

BSW-1.1/8-D

1.1/8 BSW HSS Die

 

7

£100.99

BSW-1.1/8-DN

1.1/8 BSW HSS Die Nut

 

7

£70.30

BSW-1.1/4-DN

1.1/4 BSW HSS Die Nut

 

0

£46.51

BSW-1.1/4-D

1.1/4 BSW HSS Die x3"OD

 

7

£100.99

BSW-1.1/2-D

1.1/2 BSW HSS Die x3"OD

 

6

£100.99

Part No.

Description

 

Threads Per Inch

Price

BSW-1.1/2-DN

1.1/2 BSW HSS Die Nut

 

6

£90.82