<p>Oil Hard, Drill Rod, Steel Material, Fractional Size 1-1/8 In., Decimal Equivalent 1.1250 In., Dia. Tolerance +/-.001 In., Finish 30 RMS Max, Length 36 In., Length Tolerance +.125 In./-.000 In., Hardness Scale 207 BHN Max, Grade O1, Standards UNS T31501, SAE J437, ASTM A-681-94, FEDERAL QQT-570 REV C</p> <p><br /><b>Features</b></p> <ul> <li>Decimal Equivalent: 1.1250&quot;</li> <li>Finish: 30 RMS Max</li> <li>Item: Oil Hard, Drill Rod</li> <li>Length: 36&quot;</li> <li>Material: steel</li> <li>Grade: O1</li> <li>Standards: UNS T31501, SAE J437, ASTM A-681-94, FEDERAL QQT-570 REV C</li> <li>Length Tolerance: +.125&quot;/-.000&quot;</li> <li>Dia. Tolerance: +/-.001&quot;</li> <li>Hardness Scale: 207 BHN Max</li> <li>Fractional Size: 1-1/8&quot;</li> </ul> <p></p>