diff --git a/RhSolutions.Parsers/DrinkingWaterHeatingFittings/AdapterScrewcap.cs b/RhSolutions.Parsers/DrinkingWaterHeatingFittings/AdapterScrewcap.cs
index 8223bb4..1c1d1f8 100644
--- a/RhSolutions.Parsers/DrinkingWaterHeatingFittings/AdapterScrewcap.cs
+++ b/RhSolutions.Parsers/DrinkingWaterHeatingFittings/AdapterScrewcap.cs
@@ -3,5 +3,18 @@ namespace RhSolutions.Parsers.Fittings;
 [ParserKey("Переходник с накидной гайкой")]
 public class AdapterScrewcap : Adapter
 {
+	public AdapterScrewcap()
+	{
+		_defaultThreads = new()
+		{
+			["16"] = "1/2",
+			["20"] = "1/2",
+			["25"] = "3/4",
+			["32"] = "1",
+			["40"] = "1 1/2",
+			["50"] = "1 3/4",
+			["63"] = "2 3/8"
+		};
+	}
 	protected override string _title => "Переходник с накидной гайкой";
 }
\ No newline at end of file