Item:Headed Press-Fit Drill Bushing (H); Drill Bushing Wall Type:Standard Wall; Head Type:Yes; Measurement System:Fractional Inch; Inside Dia.:19/64 In; Decimal Equivalent:0.2969; Drill Size:19/64 In; Inside Dia. Tolerance:+0.0001 In /+0.0004 In; Outside Dia.:1/2 In; Outside Dia. Tolerance:+0.0017 In /+0.0014 In; Bushing Code:H; Bushing Head Type:Headed; Overall Length:1/2 In; Head Dia.:39/64 In; Head Material:High Speed Steel; Heat Treatment:Through Hardened; Material - Machining:High Speed Steel; Rockwell Hardness:Rc 62-64;