DRILL-3 drill bit, HSS, Number 3, .2130" diameter, tap drill for 1/4-28 thread

DRILL-6-MM drill bit, HSS, 6mm diameter, tap drill size for 7-1mm threads

DRILL-7 drill bit, HSS, Number 7, .2010" diameter, tap drill 1/4-20 thread

DRILL-8-MM drill bit, HSS, 8mm diameter, tap drill size for 9-1mm threads

DRILL-14 drill bit, HSS, Number 14, .1820" diameter, tap drill No. 12-28 bolt or screw

DRILL-16 drill bit, HSS, Number 16, .1770" diameter, clearance drill for No. 8 bolt or screw

DRILL-19 drill bit, HSS, Number 19, .1660" diameter

DRILL-21 drill bit, HSS, Number 21, .1590" diameter, tap drill 10-32 thread

DRILL-25 drill bit, HSS, Number 25, .1495" diameter, clearance drill No. 6 bolt or screw

DRILL-29 drill bit, HSS, Number 29, .1360" diameter, tap drill for 8-32 thread