G8493 Drill Bushing Bushing Type Headless Press Fit P Inside Dia 1-45/64 In Outside Dia 2-/14 In Inside Dia Tolerance .0003-+.0007 In Outside Dia Tolerance +0.0021-- +0.0025 In Concentricity Tolerance .0005 In T.I.R. Max Overall Length 2 1/8 In Material 52100 Thru Hardened Finish Steel Drill Size 1-45/64 In Hardness RC 62-64