Die graft­ing

Thread cut­ting die

BIKE (UK) - - KNOW HOW PRODUCTS - Hugo Wil­son

Used for: it wasn’t, but the 5/16” ver­sion was Price: £9 Info: tra­cy­tools.com

This is a 1/4” 26 TPI (that’s Threads Per Inch) BSCY (that’s Bri­tish Cy­cle Thread ) die. You prob­a­bly don’t need one. Nei­ther did I as it turns out. What I ac­tu­ally needed to clean up the mashed axle stud threads on my 1948 Matchless was a 5/16” 26 TPI BSCY die, but in my con­fu­sion over im­pe­rial thread forms I or­dered the wrong one. No prob­lem, the good peo­ple at Tracy Tools swapped it. As you’d imag­ine, if they can sup­ply some­thing as ob­scure as a 5/16” 26 TPI BSCY die from stock they can also sup­ply lots of more com­mon met­ric taps (for fe­male threads) and dies (for male threads) too. Rec­om­mended.

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