There are many types of holes such as butterfly hole,diamond hole,gourd hole,inverted figure eight hole and inverted triangle hole.
Butterfly Hole:The shape of hole is like a butterfly,so it is named.It is generally used on light duty shelving and medium duty shelving.
Gourd Hole:This hole type is releasing in recent year,it is mainly used in house,the loading is lighter.
Inverted Figure Eight Hole:The shape of hole is like an eight character written backwards,which is mainly used in heavy duty rack,but the installation is troublesome.
Diamond Hole:It’s also named by shape ,it s mostly used in heavy duty rack with large loading capacity.
Inverted Triangle Hole:The hole is shaped like an inverted triangle.mainly used in heavy duty rack.
Although there are many type of holes,the diamond holes are commonly used one,followed by butterfly hole.
The hole pattern on the rack is used for connecting the beam and upright frame.The pitch hole is 50mm or 75mm,so people can adjust the level height to meet the required space to store different goods.The structure of diamond holes can make the connection of each part more stable.the interface is tighter and the bite degree is stronger.which can ensure the warehouse rack is more safety.
What’s more,there are small round holes on the rack for installing safety pin or special devices to Keep safe.
Sunnyrack is a professional mezzanine rack manufacturer,was founded in 2002 and start its foreign business from 2007,our main products are pallet rack,drive in rack,cantilever rack,shuttle rack,push back rack,mezzanine&steel platform,mobile shelving,longspan shelving and etc.