Description

Heat Treatment=Through Hardened
Material – Machining=High Speed Steel
Drill Bushing Wall Type=Standard Wall
Outside Dia.=1 in
Overall Length=1 in
Drill Size=#21
Head Dia.=1 27/64 in
Inside Dia. Tolerance=0.0000 in /+0.0002 in
Decimal Equivalent=0.1590
Rockwell Hardness=RC 62-65
Outside Dia. Tolerance=+0.0000 in /-0.0002 in
Bushing Head Type=Headed
Head Type=Yes
Measurement System=Wire
Head Height=7/16 in
Inside Dia.=#21
Head Material=High Speed Steel
Item=Gun Drill Bushing (DGE)
Bushing Code=GDE
Size – Decimal=#21 – 0.1590