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GF-N Hard profile

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Thick-walled Green Frame Ø 28 mm tube for joints subject to impacts and loads: about 1.7 times the bending resistance of the standard GF-N. The GF-S Ø 19 slides inside. 0.76 kg/m, 4000 mm bar or cut to length.

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Code: GFF-019
Length: 4,000
  • Length
  • Material
  • Weight

Cut dimensions

mm
28 × 28 mm Real profile section
0Full bar 4000 mm
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Specifications

Length 4000
Material Anodised extruded aluminium
Weight 0.76 kg/m
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When a joint takes continuous impacts, for example where trolleys or boxes knock against the structure: the Hard goes in as the tube the connector clamps onto. It is also useful where you want more stiffness without changing diameter: it has about 1.7 times the bending resistance of the standard tube.

Similar stiffness: 1.7 times the standard tube for the Hard, 1.5 for the T. The Hard is designed for impacts, accepts a GF-S tube inside and has its own dedicated internal connector, plug and threaded insert. The T has an M8 thread at the end for feet.

Yes. A GF-S Ø 19 tube slides inside the Hard profile: you adjust the height by sliding out the inner tube. We will advise you on how to lock it in position according to the load.

GF-N external connectors and, if you want a flush joint, the dedicated internal connector GFJ-F24. To close the end there is the inner plug GFA-425 or the external plug GFA-401.

With the dedicated M12 threaded insert GFN-E31: it takes 3000 N in compression and 45 N·m laterally, far more than the standard M12 threaded insert at 1250 N. If you fit a castor, count on 500 N.

It has a line on the outer surface: you recognise it straight away during assembly. The diameter is the same, Ø 28 mm, but it weighs twice as much: 0.76 kg/m against 0.37.

The standard GF-N profile is suitable for most uprights and cross members. If a cross member is long or loaded use the GF-N W mounted on edge (about 10 times stiffer), or the T (about 1.5 times) or the Hard (about 1.7 times, also for joints that take impacts), which have the same diameter. To fix plate castors, panels or rollers with T-nuts choose the profile with C10 slot; F35 and F50 have a flat flange for labels, small parts holders and supports. The sliding profile has a smooth surface for sliding parts and boxes, the round roller profile becomes a roller with the pin connectors, LS and LS with S slot carry a linear slide and the linear guide profile is the track for the linear rollers.

The GF-N Ø 28 is the standard for workstations, flow racks and trolleys. The GF-S Ø 19 weighs about half as much (0.20 kg/m versus 0.37) and is for light frames, dividers, guards and small mechanisms. The GF-G Ø 43 is for uprights and cross members that have to carry a lot: over a 1000 mm span it supports 851 N at the centre versus 195 N for the GF-N, for the same deflection. It is often worth mixing them, for example GF-G uprights and GF-N cross members joined by mixed connectors.