Drill Bushing, Head Press Fit, Inside Dia. 6.6mm, Outside Dia. 1/2 In., Inside Dia. Tolerance +.0001- +.0005 In., Outside Dia. Tolerance +0.0017 - +0.0014 In., Concentricity Tolerance .0003 In. T.I.R. Max, Overall Length 1-3/4 In., Material 52100 Thru Hardened, Finish STEEL, Drill Size 6.60mm, Hardness RC 62-64 Features Finish: Steel Inside Dia.: 6.6mm Item: Drill Bushing Material: 52100 Thru Hardened Outside Dia.: 1/2" Drill Size: 6.60mm Hardness: Rc 62-64 Overall Length: 1-3/4" Bushing Type: Head Press Fit Outside Dia. Tolerance: +0.0017 - +0.0014" Inside Dia. Tolerance: +.0001- +.0005" Concentricity Tolerance: .0003" T.I.R. Max

Drill Bushing, Head Press Fit, Inside Dia. 6.6mm, Outside Dia. 1/2 In., Inside Dia. Tolerance +.0001- +.0005 In., Outside Dia. Tolerance +0.0017 - +0.0014 In., Concentricity Tolerance .0003 In. T.I.R. Max, Overall Length 1-3/4 In., Material 52100 Thru Hardened, Finish STEEL, Drill Size 6.60mm, Hardness RC 62-64 Features Finish: Steel Inside Dia.: 6.6mm Item: Drill Bushing Material: 52100 Thru Hardened Outside Dia.: 1/2" Drill Size: 6.60mm Hardness: Rc 62-64 Overall Length: 1-3/4"