Thread: APT's Stud Kit.
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Old May 6, 2005 | 09:27 AM
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churchy
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From: Out Shooting Burgelers, cause thats what Norfolk people do!!!
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If your drilling then tapping the hub, you drill to the the size of the stud on the dia, minus the depth of the thread, i.e.

M20 bolt has a 2.5mm pitch, which has a 1.5mm deep thread, so you use a 17mm drill. If that makes sense.
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