cz777 Posted December 16, 2014 Report Share Posted December 16, 2014 i have two different ones to use ,one has a groove under the ''T'' head and other has no groove ...both work well ,anybody of this groove and use of it ??? Quote Link to comment Share on other sites More sharing options...
FaRKle! Posted December 16, 2014 Report Share Posted December 16, 2014 The groove sounds like a radius for strength. Quote Link to comment Share on other sites More sharing options...
survivalshop Posted December 16, 2014 Report Share Posted December 16, 2014 Photo's ? Quote Link to comment Share on other sites More sharing options...
shibiwan Posted December 16, 2014 Report Share Posted December 16, 2014 Actually the groove is there due to the machining processes. Some machinists do a relief cut (i.e. the groove) because the tooling used can't cut a sharp enough 90-degree angle. Quote Link to comment Share on other sites More sharing options...
cz777 Posted December 17, 2014 Author Report Share Posted December 17, 2014 Actually the groove is there due to the machining processes. Some machinists do a relief cut (i.e. the groove) because the tooling used can't cut a sharp enough 90-degree angle. thank you i think you are right ...... Quote Link to comment Share on other sites More sharing options...
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