At 02:36 PM 6/15/2010, Karl Wolz wrote: >I can't imagine a helicoil being as strong as new threads in virgin steel, Helicoils are made of stainless steel, tempered to a bit below spring-temper, i.e. they're springy but will deform somewhat if you stick a screwdriver between the coils and twist. They should be noticeably stronger than the original threads in any automotive material. >though I don't think strength is as critical as the helicoils' tendency to >come out when you remove the bolts. Either way should work fine. Have you had a problem with this? They expand quite tightly into the (new) hole. Yours, David |
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