(W1DR/HobbyKit) W-1 Drill Rod Hobby Kit

W-1 Drill Rods.  1/8", 3/16", 1/4", 5/16", 3/8", 7/16", & 1/2" diameter.  12" length.

W1 is a good, general purpose tool steel. Easy to machine. Often can be used without heat treatment due to the high carbon content (1%)

Common uses include: shafts, pins, dies, stamps, punches, taps, and short term wear tooling.

ASTM: A686