For sale is a used Helicoil Coil Sert Prewinder for thread inserting. The size is 3/8"-16. The model number is 7551-6. The prewinder is in good used condition and ready to use. This is military surplus and will have markings as shown.
Helical Helicoil 7551-04 4-40 UNC Coil Thread Insert Prewinder Insertion (G33)
Helical Helicoil HIT3824 3/8-24 Coil Sert Thread Insert Prewinder Insertion Tool
Helical Helicoil 7551-04 4-40 UNC Coil Thread Insert Prewinder Insertion (G29)
Helical Helicoil 1/4-28 Coil Sert Thread Insert Prewinder Insertion Tool
HELICOIL Helical Coil Thread Repair Kit Part # 4131-8-1 NEW
UNC 4146-2-1 Helicoil Helical Coail Thread Repair Kit NOS 8-32
