Helicoil Inch Coarse Master Thread Repair Set

Helicoil 5621 Inch Coarse Master Thread Repair Set Contents:# Thread Size 1/4-20" x .375 Length
Insert Package Part No. - R1185-4
# Tap Part No. - 819-4
# Installation Tool Part No. - 5288-4
# Drill Size - 17/64"
# Insert Quantity - 12
# Thread Size 5/16-18" x .469 Length
Insert Package Part No. - R1185-5
# Tap Part No. - 819-5
# Installation Tool Part No. - 5288-5
# Drill Size - 21/64"
# Insert Quantity - 12
Thread Size 3/8-16" x .562 Length
# Insert Package Part No. - R1185-6
# Tap Part No. - 819-6
# Installation Tool Part No. - 5288-6
# Drill Size - 25/64"
# Insert Quantity - 12
Thread Size 7/16-14" x .656 Length
# Insert Package Part No. - R1185-7
# Tap Part No. - 819-7
# Installation Tool Part No. - 5288-7
# Drill Size - 29/64"
# Insert Quantity - 6
# Thread Size 1/2-13" x .750 Length
Insert Package Part No. - R1185-8
# Tap Part No. - 819-8
# Installation Tool Part No. - 5288-8
# Drill Size - 17/32"
# Insert Quantity - 6