5/16 IN.-18 UNC THREAD HSS BOTTMING TAP
Drill America
533900
DWT54506
Drill America
533915
KFDRSD33/64
Drill America
533916
KFDRSD35/64
Drill America
533917
KFDRSD39/64
Drill America
533932
KFDRSD1-3/8
Drill America
533933
KFDRSD23/32