Brand
Heli-Coil
Model
R11855
Size
5/16-18
Helicoil Thread Repair Insert Size 5/16-18x .469 (R1185-5)Length of the Helicoil inserts are 1-1/2 times the diameter of the bolt, which provides sufficient strength in most applications.Inch coarseContains 12 insertsDrill size 21/64