I’m a newbie and have been working on & off on the workbench project for over a year, and finally finished my mortise & tenon fits for the legs/crossbeams and did the joint glue-up yesterday.
While the joints seem to hold right now, several of the joints have a large (over 1/8″?) gap on the back side, and I’m concerned that over time they will break from the adhesive.
I was wondering if I should consider drilling holes in each joint, through the tenon, and inserting hex bolts or dowels, so everything will hold in place even if the tenon comes loose. My (completely uninformed) plan is to drill two offset holes through the 4×4 (through the tenon) on each joint with my cordless power drill and perhaps a 3/8″ bit.
Is there a downside to doing this? If not, are dowels vs hex bolts recommended (I dont care how it looks if one is easier/better).
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