I recently purchased a Kreg Jig. Assorted screws and clamps. In total £150 (approx.$250)
I have read instructions cover to cover and know I am using the correct screws.
These are my problems after drilling a dozen holes in 18mm MDF.
None of the holes are clean with 'fash' around all the edges.
At least two screws started to bulge the wood and one screw became visible along the edge.
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