Product Lines > Industrial Supplies > Drill Rod > A-2 HARDENED & GROUND ROUND A-2 HARDENED & GROUND ROUND Item Number Description 825551 AIRTRUE A2 HARDENED/GROUND ROUND 1/8 X 12 825573 AIRTRUE A2 HARDENED/GROUND ROUND 3/16 X 12 825595 AIRTRUE A2 HARDENED/GROUND ROUND 1/4 X 12 825620 AIRTRUE A2 HARDENED/GROUND ROUND 5/16 X 12 825642 AIRTRUE A2 HARDENED/GROUND ROUND 3/8 X 12 825664 AIRTRUE A2 HARDENED/GROUND ROUND 7/16 X 12 825686 AIRTRUE A2 HARDENED/GROUND ROUND 1/2 X 12