MASTER THREAD REPAIR KIT 1/4 X 20 – 5/16 X 18 – 3/8 X 16 – 7/16 X 14 – 1/2 X 12 BSW
HELICOIL TYPE
THIS SET CONTAINS ALL YOU NEED TO REPAIR THREADS IN THE FOLLOWING SIZES
1/4 BSW
5/16 BSW
3/8 BSW
7/16 BSW
1/2 BSW
INCLUDED ARE
ONE HSS SECOND TAP FOR EACH SIZE
ONE PRECISION GROUND HSS DRILL FOR EACH SIZE
TWO INSERT TOOLS FOR EACH SIZE
PLUS A GOOD SUPPLY OF THREAD INSERTS FOR EACH SIZE