Captain Obvious Posted March 14, 2018 Share #13 Posted March 14, 2018 One last thought on this project. Should you decide to stick with the 7mm bolt idea... I would hate to find an 11mm headed bolt where a 10mm head should exist. You would only need to grind off about .020 per flat to get the head size down to 10mm where it belongs. Surely there's enough meat on the head to do that. You'll grind through the plating, but you'll have the correct size head. If you started with un-plated stainless, you wouldn't even know the difference from the outside. Link to comment https://www.classiczcars.com/topic/59679-ideas-needed-for-striker-plate/?page=2#findComment-544521 Share on other sites More sharing options...
Patcon Posted March 15, 2018 Share #14 Posted March 15, 2018 On 3/13/2018 at 9:56 PM, Captain Obvious said: One last thought on this project. Should you decide to stick with the 7mm bolt idea... I would hate to find an 11mm headed bolt where a 10mm head should exist. You would only need to grind off about .020 per flat to get the head size down to 10mm where it belongs. Surely there's enough meat on the head to do that. You'll grind through the plating, but you'll have the correct size head. If you started with un-plated stainless, you wouldn't even know the difference from the outside. Or he could mail me the modified one and I could plate it for him... Link to comment https://www.classiczcars.com/topic/59679-ideas-needed-for-striker-plate/?page=2#findComment-544621 Share on other sites More sharing options...
SteveJ Posted March 15, 2018 Author Share #15 Posted March 15, 2018 Well, I figured I would try @Diseazd's suggestion and reached out to a machine shop. So far, they haven't gotten back with me. Plan B (per @Zup) - I ordered a heli-coil kit and will test on some M6 nuts to see if I like my competence. (I have also been watching Youtube videos to get details I might otherwise miss.) Plan C - I will practice drilling out and re-tapping M6 nuts with an M7 tap. Link to comment https://www.classiczcars.com/topic/59679-ideas-needed-for-striker-plate/?page=2#findComment-544642 Share on other sites More sharing options...
SteveJ Posted March 16, 2018 Author Share #16 Posted March 16, 2018 In doing further research, I'm glad I have decided to play with different ideas before implementing one. I was wondering about the minimum depth of material for using a helicoil, as @grannyknot has warned. I found this link: http://www.noblefix.com/helicoil/HeliCoil-Tapping-Chart.html. It expresses a depth of "H" that can be looked up in the chart on the page. It appears as though the minimum depth needed is 7mm. If that's the case, there could be an issue with using a helicoil since I know the material thickness is less than 7mm. Just in case, I did just order some 6mm deep M6 inserts. I'm going to end up knowing more about helicoils than I ever wanted to. 1 Link to comment https://www.classiczcars.com/topic/59679-ideas-needed-for-striker-plate/?page=2#findComment-544719 Share on other sites More sharing options...
SteveJ Posted March 19, 2018 Author Share #17 Posted March 19, 2018 And the winner is... Heli-coil! I practiced with a piece of 1/4" steel plate. It held well. I used one of the good captive nuts and striker plate to center the bad one in the hole. I drilled out the hole with a 1/4" bit, tapped it carefully, and ran the M6 Heli-coil in. I ended up having to change out the door lock and striker plate, but I did finally get a good latch. Thank you, all, for posting solutions and opinions. It helped guide my research and come up with a workable solution. 2 Link to comment https://www.classiczcars.com/topic/59679-ideas-needed-for-striker-plate/?page=2#findComment-544915 Share on other sites More sharing options...
Captain Obvious Posted March 19, 2018 Share #18 Posted March 19, 2018 Excellent. I love it when a plan comes together. I assume your door closing issues that started this entire debacle have been remedied? Link to comment https://www.classiczcars.com/topic/59679-ideas-needed-for-striker-plate/?page=2#findComment-544923 Share on other sites More sharing options...
SteveJ Posted March 19, 2018 Author Share #19 Posted March 19, 2018 1 minute ago, Captain Obvious said: Excellent. I love it when a plan comes together. I assume your door closing issues that started this entire debacle have been remedied? I hope so. The door was latching properly when I stopped for the evening. I'm keeping my fingers crossed that it stays that way. Link to comment https://www.classiczcars.com/topic/59679-ideas-needed-for-striker-plate/?page=2#findComment-544924 Share on other sites More sharing options...
Captain Obvious Posted March 19, 2018 Share #20 Posted March 19, 2018 Good! Link to comment https://www.classiczcars.com/topic/59679-ideas-needed-for-striker-plate/?page=2#findComment-544926 Share on other sites More sharing options...
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