Custom Hinge Selection Tool
Holes : Slots, Ovals and Obrounds
Obrounds or slots are elongated holes and are used primarily for ease in locating and mounting to a prepunched hole in a chassis or frame. You start with a standard hole and just make it longer.
![](/CustomHinges/[Categories]/Holes/Slots, Ovals and Obrounds/slots1_b_w.jpg)
Slots can be arranged lengthwise, or widthwise on the hinge leaf.
![](/CustomHinges/[Categories]/Holes/Slots, Ovals and Obrounds/slots5_b_w.jpg)
![](/CustomHinges/[Categories]/Holes/Slots, Ovals and Obrounds/PHinge3-HoleDimsSlots1_w.png)
Slots can be dimensioned two ways: by diameter and center-to-center, or the preferred way: by overall dimensions.
![](/CustomHinges/[Categories]/Holes/Slots, Ovals and Obrounds/PHinge3-HoleDimsSlots2_w.png)
Slots are located by their centers.
![Hinge Guru Image](/Content/Images/customize/guru_sitting_color_200h.png)