Review on Helicoil 5546 8 Metric Coarse Thread by Doug Cardello

I had the same problem as others: the small protrusion on the end of the insertion tool broke off on the first use. I had to spend a good 10 minutes making a notch in the end to allow the coiled oil to finish filling to complete my project (water pump bolt hole. Very disappointing. I've used coiled coils here and there for years and never have 'I've never had this problem. Ridiculous! Also, I haven't bought a set of spiral coils in a long time. But since when are they sold without a tap?! Funny too! .