diff --git a/nhf/touhou/yasaka_kanako/onbashira.py b/nhf/touhou/yasaka_kanako/onbashira.py
index cc711ee..c527d5b 100644
--- a/nhf/touhou/yasaka_kanako/onbashira.py
+++ b/nhf/touhou/yasaka_kanako/onbashira.py
@@ -704,9 +704,13 @@ class Onbashira(Model):
             .circle(w/2, mode="a")
             .push([
                 (-l/2, 0),
-                (l/2, 0),
             ])
             .circle(BOLT_COMMON.diam_thread/2, mode="s")
+            .reset()
+            .push([
+                (l/2, 0),
+            ])
+            .circle(BOLT_BEARING.diam_thread/2, mode="s")
         )
         result = (
             Cq.Workplane()