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Die
From WikiPedalia
- A tool for cutting external threads. It takes the form of a nut with flutes cut in the threads and usually has a taper at the end that is intended to start the thread. There are only a few standard sizes used on bicycles:
The corresponding bolt-like tool for cutting internal threads is called a tap.Size Application System 6 mm Brake center bolts 25.0 x 1.0 mm Steering columns French 1" x 24 tpi Steering columns British, Italian, I.S.O. 1 1/8" (28.6 mm) x 26 tpi Steering columns oversized 1 1/4"(31.8 mm) x 26 tpi Steering columns oversized - The mould-like forms used for forging are called tools and dies. (The bottom, stationary half is the die, the upper, moveable part is the tool.)
