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    How to make screw fit snugly in a hole

    Hi, I've made a T-joint recently between two sections of aluminium box section and I rivited a sheet aluminium triangle between them to try and prevent rotation, with two rivets in each corner, and a machine screw actualy through the two aluminium box sections. While this did a good job at...
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    How to use a pop rivet with restricted access

    Hi, i'm going to need to attach two aluminium box sections together and I want to secure them mechanically with pop rivets. However, the problem is that becuase the box section is basically a tube, it will be difficult to use the rivet gun to put a rivet in the lower surface of the tube. Please...
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    Strength of aluminium and epoxy bond deteriorating

    Hi, I'm using epoxy to increase the torque strength of a joint between two lenghts of aluminium box section (currently held by a single machine screw), where lightness is critical. I'm aware that an oxide layer forms on aluminium as soon as it is exposed and that in order for the bond to be...
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