Item:Press-Fit Drill Bushing (P); Drill Bushing Wall Type:Standard Wall; Head Type:No; Measurement System:Fractional Inch; Inside Dia.:1/2 In; Decimal Equivalent:0.5000; Drill Size:1/2 In; Inside Dia. Tolerance:+0.0002 In /+0.0006 In; Outside Dia.:3/4 In; Outside Dia. Tolerance:+0.0015 In /+0.0018 In; Bushing Code:P; Bushing Head Type:Headless; Overall Length:1 3/8 In; Head Material:High Speed Steel; Heat Treatment:Through Hardened; Material - Machining:High Speed Steel; Rockwell Hardness:Rc 62-64;