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So I bought a box of 12 gauge wood screws, then bought a Dewalt Flip Drive set. The flip drive set States it can countersink, pilot and drive No12 screws but the screw head diameter on my 12ga screws is 11.5mm and the countersink bit in the Dewalt set is only 9.5mm, also the pilot is 3.2mm which seemed a little small for my 12ga screws plus the PZ2 driver bit in the set was far too small for my screws.
So I figure 12 gauge and no12 are two different things? If that's the case how come Dewalt don't do a different set for each?
Anyone know of a chart where I can compare "gauge" sizes to "No" sizes and find out all the pilot and countersink sizes required? I've seen a few charts by googling it but none of the dimensions match that of my 12ga screws that I've bought.
Depending on what charts I look at I keep finding different figures?
So I figure 12 gauge and no12 are two different things? If that's the case how come Dewalt don't do a different set for each?
Anyone know of a chart where I can compare "gauge" sizes to "No" sizes and find out all the pilot and countersink sizes required? I've seen a few charts by googling it but none of the dimensions match that of my 12ga screws that I've bought.
Depending on what charts I look at I keep finding different figures?