These fixing bolts are known as Routels , Architectural Bolts, Swivel Bolts etc.
They are of two types Fixed and Adjustable.
These can be used for fixing single glazing and of various thicknesses.
Glass canopies give the building façade a distinctive apprearance. The new concept of glass canopy is a combination of aesthetics with utility used in the contemporary architectural designs of the buildings,houses, malls, doors and entrances.
The fittings are such that different sizes of canopies can be assembled using the same configration of the hardware. The glass is suspended using a stainless steel rod and various models of Holding / Spiders. It is further recommended that the glass is either fully tempered or heat strengthened.