![]() ![]() Too shallow and the screw won’t grip properly. Work out the required depth carefully when doing counterbores.Solid models are tapped gently with a hammer spring-loaded models are simply pressed until they activate. Mark the position with a center punch first when drilling holes in metals.In hardwoods, it can even weaken the screw head, and in extreme cases cause it to break. If the screws are hidden, much of the time it won’t matter, but if they’re visible, it looks wrong. If your countersink angle doesn’t match, the screw won’t sit properly. Most are 82°, but metric screws are often 90°, and other angles exist. ![]() Check the chamfer angle of your screw heads.Do you need a dowel drill bit? Click here for konetool drill bits. ![]()
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