OK, I just pulled one, it is a "recessed binderhead phillips machine screw"
graywolf http://www.graywolfphoto.com "Idiot Proof" <==> "Expert Proof" -----------------------------------
Cotty wrote:
Okay, one for the engineers on the list.
Do you know what the screw size is for a typical Pentax K mount lens - the kind that hold the actual K mount bayonet flange onto the rear of the lens?
I appreciate that lengths may vary according to lens, but the width and the thread type seem to be standard, at least with SMC K and A lenses, or at least the ones I have come across. How would you describe these screws - cross-head, countersunk screws or bolts? And as for size and thread type - is there a particular recognised nomenclature? Someone quoted 'BA' sizes at me, is this relevant?
Any help very much appreciated.
Cheers, Cotty
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