RE INDEXING SCREWS

[Bob Jurewicz]

If screw is in proper location, all threads clean an channels clean, I carefully file the underside of the scrw head for metal to metal fastening. For butt plates I ream the plate recess alittle deeper.
Bob Jurewicz

[Chris T.]

I have never tried, but have heard of people who put a few wraps of soft wire under the head instead of filing the bottom.

[Big D]

Doesn't that depend on whether the screw is proud to the surface, or recessed?

[Pittypatdugan]

I did not know to check for the " - " Mark for the left side. I will be checking.

PDD

[Chris T.]

John your are right, but if a screw and its hole are clean and are still higher than the surrounding surface it is probably in the wrong hole.