<p>Drill Bushing, Headless Press Fit, Inside Dia. 3.3mm, Outside Dia. 1/4 In., Inside Dia. Tolerance .0001-+.0004 In., Outside Dia. Tolerance +0.0013 - +0.0016 In., Concentricity Tolerance .0003 In. T.I.R. Max, Overall Length 1-3/8 In., Material 52100 Thru Hardened, Finish Steel, Drill Size 3.30mm, Hardness RC 62-64</p> <p><br /><b>Features</b></p> <ul> <li>Finish: Steel</li> <li>Inside Dia.: 3.3mm</li> <li>Item: Drill Bushing</li> <li>Material: 52100 Thru Hardened</li> <li>Outside Dia.: 1/4&quot;</li> <li>Drill Size: 3.30mm</li> <li>Hardness: Rc 62-64</li> <li>Overall Length: 1-3/8&quot;</li> <li>Bushing Type: Headless Press Fit</li> <li>Outside Dia. Tolerance: +0.0013 - +0.0016&quot;</li> <li>Inside Dia. Tolerance: .0001-+.0004&quot;</li> <li>Concentricity Tolerance: .0003&quot; T.I.R. Max</li> </ul> <p></p>