i have been doing more decks with the coilgun lately and always use the specified stainless ringshanks for pine...screwshanks for hardwood. but i recently ran across someone doing a heap of work with the screwshanks into pine joists because he coulnt get the gun to fix the ringshanks properly...my theory is if they go in easier then they are going to come out easier too!..when i crank my gun and compressor up i can fix hardwood decking into kd hardwood joists[admittedly with some trouble], so i dont see why someone could have trouble fixing into pine.....remember the old days when we used to use hand driven 50 mm gals into hardwood joists?...well, when i came across a job with pine joists i used to use 65 mm gals for extra holding in the softer timber...now, compare my old work with the 65 gals against this bloke fixing only 30 mm into the pine with the small diameter relativly smooth screwshank...i just thing it aint going to hold well at all...especially as all the decks are uncovered exposed to all of queenslands rain and sun....what do you think?.......and if anyone has experience with the fully galvanised 50 mm dome head ringshanks i would be keen to hear your opinions ....so far i have been using the expensive stainless fixings for fear of the galv coating on the heads being damaged by the firing pin of my gun...and i mean opinions about the proper hot dipped galv ringshanks for my coilgun, not those dacronised or electroplated ones with thin coatings . i wouldnt waste my time with such a thin coating that is going to suffer when driven or deteriorate quickly within the cca treated pine joist......thanks