sitsinhedges Posted February 2, 2020 Report Share Posted February 2, 2020 I usually make my shotmaking drippers out of m8 steel bolts but because I needed to drill some really tiny 0.4mm holes I went for brass dome nuts. The resulting shot is far smaller than I expected, probably 3 sizes smaller and I can't work out why. It also runs very quickly. Any ideas? Quote Link to comment Share on other sites More sharing options...
Old farrier Posted February 2, 2020 Report Share Posted February 2, 2020 Could be the brass holds the heat more and the domed head gives a shorter run on the lead Quote Link to comment Share on other sites More sharing options...
sitsinhedges Posted February 2, 2020 Author Report Share Posted February 2, 2020 (edited) 3 minutes ago, Old farrier said: Could be the brass holds the heat more and the domed head gives a shorter run on the lead Just for clarification they aren't actual dome nuts, was easier to call them that but they are 12mm long x 13mm AF brass hex bar with a dripper in two adjacent flats. Edited February 2, 2020 by sitsinhedges Quote Link to comment Share on other sites More sharing options...
Old farrier Posted February 2, 2020 Report Share Posted February 2, 2020 Ahh sorry misunderstood on the nuts you could try dropping the molten lead temperature? just a thought 🤔 Quote Link to comment Share on other sites More sharing options...
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