FORM A LIGHT WASHERS BZP M16 x 30mm OD Size: 20mm x 15mm

Size:  20mm x 15mm

Regulations - BRE Digest 17

Current and future requirements of Part L of the Building Regulations along with other standards and regulations have led to an increase in the depth of thermal insulation in suspended floors along with an increase in cavity widths to accommodate greater amounts of cavity wall insulation

valves control boxes etc

General wood filling of windowsills

FORM A LIGHT WASHERS BZP M16 x 30mm OD Size: 20mm x 15mmPacked: 100 Round flat washers with a diameter slightly larger than the equivalent hex bolt head Technical Info: Relevant Standards DIN 125 BS4320 Form A Finish BZP External Diameter 30mm Thickness 3. 0mm