Product Lines > Industrial Supplies > Drill Rod > M-42 HARDENED & GROUND ROUND M-42 HARDENED & GROUND ROUND Item Number Description 825278 M42 1/8 ROUND X 12 825303 M42 3/16 ROUND X 12 825325 M42 1/4 ROUND X 12 825347 M42 5/16 ROUND X 12 825369 M42 3/8 ROUND X 12 825391 M42 7/16 ROUND X 12 825416 M42 1/2 ROUND X 12 825427 M42 9/16 ROUND X 12 825438 M42 5/8 ROUND X 12 825460 M42 3/4 ROUND X 12 825482 M42 7/8 ROUND X 12 825507 M42 1 ROUND X 12