On Wed, 1 Oct 2003 07:03:53 -0400, "dddd" wrote:

Brain cramp. Drill sizes 72, 70, 66 and 65. Thanks.

Piano wire does not not have the clear sound of drill rod after all the
procedures.

No, these are gongs for pocket watches (minute repeaters, quarter repeaters,
clock watches, etc.)

Brownells sells a reasonable range of sizes of W-1 and O-1 drill rod.
Their catalog has the specs on the material, complete and detailed
instructions for hardening and tempering. The same catalog page also
has handy dandy tables of annealing temps, metal melting points, and
tempering colors for carbon steel.

Brownells will send their catalogs to anyone, even the totally inept.
That is evidenced by the bold faced warning, "DO NOT USE A MICROWAVE!"
in the instructions for tempering.

They also sell some mild steel, brass, and stainless steel rounds,
squares, and flat bar.

And they sell assortments of coiled, straight, and flat spring steel
stock for making springs.



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