Description



Product Code: BD5/16BSF-1D-CS
Description: 5/16" BSF x 1" OD Button Die
Number Pieces: 1
Brand: Bordo or Totem

Specs:
Surface Finish: Bright
Material: Chrome Alloy/Carbon Steel
Die Type: Button
Inside Diameter: 5/16"
Outside Diameter: 1"
TPI: 22

Notes:
BSF (British Standard Fine)
This thread form was based upon the British Standard Whitworth (BSW) but has a finer thread (more threads per inch for a given diameter) The thread was first introduced in 1908 and is specified in BS84:1956. When used on external threads this series has greater tensile stress area than coarse load threads of the same size. Fine series threads will resist stripping out better than coarse threads in areas where the external and mating internal threads are subject to equal loads or greater than the capacity of the screw or the bolt. Fine threads are also used where the length of engagement is limited or where wall thickness demands a fine pitch.

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