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DN1/4BSW
Imperial Dies
Product Code: DN1/4BSW
Description: 1/4" BSW Hex Die Nut
Number Pieces: 1
Brand: Bordo or Totem
Specs:
Surface Finish: Bright
Material: Chrome Alloy/ Carbon Steel
Die Type: Hex Die Nut
Inside Diameter: 1/4"
TPI: 20
Notes:
BSW (British Standard Whitworth)
This thread form was developed by Sir Joseph Whitworth in 1841. The thread form has rounded roots and crests and is specified in BS84:1956. The thread angle for BSW is 55 degrees and opposed to 60 degrees in Metric and Unified threads.