This page is credited in full to Dave Cushman who created it. His voice is expressed in black colour text and any additions or comments in blue belong to myself. Credit: Dave Cushman’s website.
British Standard Bee Hive Frame Top bars
Tolerances are + 0.1 mm
Material… Most softwoods are suitable, but the type 2A and type 2B were always made in hardwood for extra strength and resistance to warping.
Standard Top bars… upper is the alternative type, lower is the original ‘standard’ type.
British Standard bee hive frame, Top bars Drawing
Page heavily edited to remove out of date material.