diff --git a/monitor/modelo.py b/monitor/modelo.py
index a5669b5..8c10207 100644
--- a/monitor/modelo.py
+++ b/monitor/modelo.py
@@ -30,7 +30,7 @@ display_bottom_margin = display_top_margin  # Symmetrical
 
 
 # Threaded insert hole dimensions
-ti_radius = 2.5
+ti_radius = 2.35
 ti_depth = 7.5