G8487 Drill Bushing Bushing Type Headless Press Fit P Inside Dia 1-25/64 In Outside Dia 1-3/4 In Inside Dia Tolerance .0002-+.0006 In Outside Dia Tolerance +0.0019 - +0.0023 In Concentricity Tolerance .0005 In T.I.R. Max Overall Length 2 1/8 In Material 52100 Thru Hardened Finish Steel Drill Size 1-25/64 In Hardness RC 62-64