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British Standard Whitworth (BSW)

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.

Click on part number to check stock

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Part No.

DescriptionThreads Per Inch Price Qty Add More
BSW-1/8-D 1/8 BSW HSS Die40 £10.16
BSW-1/8-DN 1/8 BSW HSS Die Nut40 £17.18
BSW-5/32-D 5/32 BSW HSS Die x 5/8 O/D32 £13.07
BSW-5/32-D1 5/32 BSW HSS Die x 13/16 O/D32 £13.07
BSW-5/32-D2 5/32 BSW HSS Die x 20mm O/D32 £13.07
BSW-5/32-DN 5/32 BSW HSS Die Nut32 £50.23
BSW-3/16-D 3/16 BSW HSS Die x 13/1624 £8.19
BSW-3/16-D1 3/16 BSW HSS Die x 20mm24 £8.19
BSW-3/16-DN 3/16 BSW HSS Die Nut24 £8.19
BSW-7/32-D 7/32 BSW HSS Die x 5/8 O/D24 £13.07
BSW-3/16DN 3/16 BSW HSS Die Nut24 £14.09
BSW-1/4-D 1/4 BSW HSS Die20 £7.81
BSW-1/4-D2 1/4 BSW HSS Die x 1.5/16 OD20 £11.36
BSW-1/4-DN 1/4 BSW HSS Die Nut20 £7.81
BSW-1/4X5/8-D 1/4 BSW HSS Die x 5/820 £7.81
BSW-1/4-D1 1/4 BSW HSS Die x 120 £30.99
BSW-5/16-D 5/16 BSW HSS Die x 118 £9.26
BSW-5/16-D1 5/16 BSW HSS Die x 1.5/1618 £55.57
BSW-5/16-D2 5/16 BSW HSS Die x 2" OD18 £55.57
BSW-5/16-DN 5/16 BSW HSS Die Nut18 £10.33
BSW-3/8-D 3/8 BSW HSS Die x 116 £10.18
BSW-3/8-D1 3/8 BSW HSS Die x 1.5/1616 £45.67
BSW-3/8-D3 3/8 BSW HSS Die x 30mm16 £45.67
BSW-3/8-DN 3/8 BSW HSS Die Nut16 £11.76
BSW-9/32-D 9/32 BSW HSS Die 1" OD32 £19.97
BSW-7/16-D 7/16 BSW HSS Die14 £15.13
BSW-7/16-DN 7/16 BSW HSS Die Nut14 £16.71
BSW-1/2-D 1/2 BSW HSS Die x 1.5/1612 £13.75
BSW-1/2-D1 1/2 BSW HSS Die x 212 £20.00
BSW-1/2-DN 1/2 BSW HSS Die Nut12 £15.19
BSW-9/16-D 9/16 BSW HSS Die x1.5/16 OD12 £15.13
BSW-9/16-DN 9/16 BSW HSS Die Nut12 £19.78
BSW-5/8-D 5/8 BSW HSS Die11 £18.16
BSW-5/8-DN 5/8 BSW HSS Die Nut11 £19.78
BSW-3/4-D 3/4 BSW HSS Die x 1.1/210 £22.70
BSW-3/4-DN 3/4 BSW HSS Die Nut10 £45.41
BSW-7/8-D 7/8 BSW HSS Die x 29 £26.74
BSW-7/8-DN 7/8 BSW HSS Die Nut9 £28.78
BSW-1-D 1" BSW HSS Die x 2"8 £24.32
BSW-1-DN 1in BSW HSS Die Nut8 £46.51
BSW-1.1/8-D 1.1/8 BSW HSS Die7 £77.94
BSW-1.1/8-DN 1.1/8 BSW HSS Die Nut7 £70.30
BSW-1.1/4-DN 1.1/4 BSW HSS Die Nut £46.51
BSW-1.1/4-D 1.1/4 BSW HSS Die x3"OD7 £92.23
BSW-1.1/2-D 1.1/2 BSW HSS Die x3"OD6 £15.59
BSW-1.1/2-DN 1.1/2 BSW HSS Die Nut6 £20.07
Click on part number to check stock