Description

Inside Dia.=#57
Drill Size=#57
Length under Head=1/4″
Head Thickness=3/32″
Finish=High Speed Steel
Head Material=High Speed Steel
Hardness=Rc 62-64
Bushing Type=Head Press Fit
Material – Machining=High Speed Steel
Item=Headed Press-Fit Drill Bushing (H)
Material=52100 Thru Hardened
Overall Length=1/4 in
Heat Treatment=Through Hardened
Measurement System=Wire
Inside Dia. Tolerance=+0.0001 in /+0.0004 in
Outside Dia.=13/64 in
Outside Dia. Tolerance=+0.0015 in /+0.0012 in
Size- Decimal=#57 (0.0430)
Concentricity Tolerance=.0003″ T.I.R. Max
Bushing Head Type=Headed
Head Dia.=19/64 in
Drill Bushing Wall Type=Standard Wall
Rockwell Hardness=RC 62-64
Decimal Equivalent=0.0430
Head Type=Yes
Bushing Code=H
Size – Decimal=O – 0.3160