Hi All
I picked up an 82 deg 6 mm bit which worked great for the 4-40 screws and also a 90 deg bit which worked for the m3 screws. Not sure how many holes i'll get done using these bits but for £6 for them both it did the job I needed doing.
Next, I need to find someone who will cut a piece of brass for me neatly if I supply the template????
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