Kelly Guide is an accessory that is used on Piling Machine to connect with Kelly Bar.
Kelly Guide has a bearing at one side which must be the same as Kelly Bar’s first flange & the other side C-type clamp as per the Mast Head of the Piling machine.
#Bauer Machines do not use Kelly Guide and only the Kelly bar is connected with Swivel Head.
#Soilmec uses Kelly Guide on every machine & Kelly bar is connected with Kelly Guide & swivels together, which develops control while drilling.