I will still use the guide bushes even if I invest in a pattern bit set.Yes I understood that but am wondering when you would have a use for guide bushes if you invest in a flush trim pattern bit. Wouldn't it make the guide bushings unnecessary?
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As you plunge, the bearing of the pattern bit may still high up and so the cutting edge could destroy your template.
So you need a pattern bit set. Use the short pattern bit first then change to a longer bit for more depth.
The guide bushing on the other hand will always protect the template from being accidentally cut and damaged.