Purchased these items as I needed longer M6 bolts to attach my roofbox to aerobars. These t-track bolts have a smaller thread pattern so won't fit the standard Thule wing nuts. However I can still use these bolts as I have the Thule bike carriers (what these bolts were designed for) so I'll put them to good use. Have since found the correct t-track bolts for the roofbox, so all is good.
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