Description

Rockwell Hardness=RC 62-64
Item=Headed Press-Fit Drill Bushing (H)
Hardness=Rc 62-64
Outside Dia.=7/16 in
Decimal Equivalent=0.2570
Finish=High Speed Steel
Head Dia.=9/16 in
Measurement System=Letter
Bushing Type=Head Press Fit
Head Material=High Speed Steel
Overall Length=5/16 in
Bushing Head Type=Headed
Drill Bushing Wall Type=Thin Wall
Inside Dia.=F
Material – Machining=High Speed Steel
Material=52100 Thru Hardened
Size- Decimal=F (0.2570)
Inside Dia. Tolerance=+0.0001 in /+0.0005 in
Length under Head=5/16″
Head Thickness=3/32″
Concentricity Tolerance=.0003″ T.I.R. Max
Heat Treatment=Through Hardened
Outside Dia. Tolerance=+0.0017 in /+0.0014 in
Drill Size=F
Head Type=Yes
Bushing Code=H
Size – Decimal=H – 0.2660