Fixing Solutions for Grating
Standard fixing of steel grating
For grating with cells 33/22 and 33/33 mm
HDG clamp with butterfly – staple, bolt and nut. The bolt length is 60 mm.
For grating with cells 33/11 mm
HDG clamp, bolt DIN 967H and nut. The bolt length is 60-100 mm.
Fastening of steel grating using self-tapping screws
HDG butterfly – staple + hexahedral self-tapping screw. The screw length is 40-70 mm.
Fixing steel grating using ‘hooks’
HDG hook with elongated nut, butterfly – staple and bolt. It is for grating with cells 33/22 and 33/33 mm which are placed on channel bars, angles or pipes. Bolt M8, the bolt length is 60 mm. The hook has different standard sizes: 80 mm, 100 mm, 120 mm, 140 mm, 160 mm … 240 mm. Individual sizes are available on demand.
Quality management system 
The production unit in Sarny supports ISO 9001:2015 quality assurance system.
Welding production is certified according ISO 3834-2. According to the received ISO 3834-2 certificate, we use welding processes 111, 121, 135. We are certified to work with raw materials which belong to groups 1.1, 1.2 (ISO/TR 15608).
The Factory production control (FPC) system of our production unit is certified according EN 1090 1,2 , EXC 3. We have a right to export CE marked steel structures for EU customers.
The quality control department is headed by the specialist with International Welding Inspector qualification.
Visual and Ultra – sound types of NDT are used during the production process. The control of zinc coating after HDG is provided in accordance with ISO 1461:2009.