G8669 Drill Bushing Bushing Type Slip Fixed Renewable Combination SF Inside Dia 1-1/16 In Outside Dia 1-3/4 In Inside Dia Tolerance .0002-+.0006 In Outside Dia Tolerance -0.0003 In Concentricity Tolerance .0005 In T.I.R. Max Overall Length 1-3/4 In Material 52100 Thru Hardened Finish Steel Drill Size 1-1/16 In Hardness RC 62-64