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ProductsTube insertsRectangular threaded tube insertsExpander connector without shoulder - rectangular
2.7.5

Expander connector without shoulder - rectangular

Expander connector without shoulder - rectangular
Expander connector without shoulder - rectangular
Expander connector without shoulder - rectangular
Expander connector without shoulder - rectangular
Expander connector without shoulder - rectangular
Expander connector without shoulder - rectangular
Expander connector without shoulder - rectangular
Expander connector without shoulder - rectangular
Expander connector without shoulder - rectangular
Expander connector without shoulder - rectangulardrawing_1
Product information
  • Expander connectors, also called expanding tube connectors, are available for rectangular tubes or profiles with external dimensions from 30 x 15 mm to 60 x 30 mm inclusive, and for wall thicknesses of 1.5 mm to 2.0 mm inclusive
  • Thread sizes M5, M6, M8 and M10
  • Available without nuts or with 1 or 2 nuts
  • Can also be combined with hexagonal screws to DIN933, hexagonal lock nuts (DIN985) and stainless steel hexagonal nuts (DIN985)
  • The action of tightening the nuts (via a screw or threaded rod) expands the connector until it is firmly secured in the tube or box-section profile
  • Allows easy connection of rectangular tubes without having to weld
  • Multiple possible uses such as for tube extension and demountable frames, e.g. for racks and shelving, exhibition stands, cages, aviaries, etc.

Material: Plastic insert - PA (polyamide), nut - galvanised steel
Colour: plastic insert – black, nut - zinc-coloured

Make your selection below

Legend
L1=length to nut 1, L2=length to nut 2, L3=total length, Model=wall thickness, M=thread size, SW=spanner size, Tube size=external tube dimensions, Type=number of nuts

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Article Description Tube size L3 L1 L2 Version M
K303015156 2M Expander connectors for rectangular tubes 30 x 15 x 1,5 M6 with 2 nuts 30x15 42 12 32 1,5 M 6
K303015156 Expander connectors for rectangular tubes 30 x 15 x 1,5 M6 without nut 30x15 42 12 32 1,5 M 6
K303015155 2M Expander connectors for rectangular tubes 30 x 15 x 1,5 M5 with 2 nuts 30x15 42 12 32 1,5 M 5
K303015155 Expander connectors for rectangular tubes 30 x 15 x 1,5 M5 without nut 30x15 42 12 32 1,5 M 5
K33302015 1M Expander connectors for rectangular tubes 30 x 20 x 1,5 M8 with 1 nut - with collar 30x20 0 0 0 1,5 M 8
K303020158 2M Expander connectors for rectangular tubes 30 x 20 x 1,5 M8 with 2 nuts 30x20 41,5 10 30 1,5 M 8
K303020158 Expander connectors for rectangular tubes 30 x 20 x 1,5 M8 without nut 30x20 41,5 10 30 1,5 M 8
K303020156 2M Expander connectors for rectangular tubes 30 x 20 x 1,5 M6 with 2 nuts 30x20 41 12 32 1,5 M 6
K303020156 Expander connectors for rectangular tubes 30 x 20 x 1,5 M6 without nut 30x20 41 12 32 1,5 M 6
K303020206 2M Expander connectors for rectangular tubes 30 x 20 x 2,0 M6 with 2 nuts 30x20 46 12 32 2 M 6
K303020206 Expander connectors for rectangular tubes 30 x 20 x 2,0 M6 without nut 30x20 43 12 32 2,0 M 6
K304015205 2M Expander connectors for rectangular tubes 40 x 15 x 2,0 M5 with 2 nuts 40x15 42 14 33 2 M 5
K304020158 2M Expander connectors for rectangular tubes 40 x 20 x 1,5 M8 with 2 nuts 40x20 42 12 32 1,5 M 8
K304020158 1M Expander connectors for rectangular tubes 40 x 20 x 1,5 M8 with 1 nut 40x20 42 12 32 1,5 M 8
K304020158 Expander connectors for rectangular tubes 40 x 20 x 1,5 M8 without nut 40x20 42 10 30 1,5 M 8
K304025158 2M Expander connectors for rectangular tubes 40 x 25 x 1,5 M8 with 2 nuts 40x25 43 10 30 1,5 M 8
K304025158 Expander connectors for rectangular tubes 40 x 25 x 1,5 M8 without nut 40x25 43 10 30 1,5 M 8
K304025201 2M Expander connectors for rectangular tubes 40 x 25 x 2,0 M10 with 2 nuts 40x25 43 10 30 2 M10
K304025201 Expander connectors for rectangular tubes 40 x 25 x 2,0 M10 without nut 40x25 43 10 30 2 M10
K305025121 2M Expander connectors for rectangular tubes 50 x 25 x 1,2-1,6 M10 with 2 nuts 50x25 44 10 30 1,2 M10
K305025121 Expander connectors for rectangular tubes 50 x 25 x 1,2-1,6 M10 without nut 50x25 44 10 30 1,2 M10
K305025201 2M Expander connectors for rectangular tubes 50 x 25 x 2,0 M10 with 2 nuts 50x25 39 8,5 25 2 M10
K305025201 Expander connectors for rectangular tubes 50 x 25 x 2,0 M10 without nut 50x25 39 8,5 25 2 M10
K335030201 1M Expander connectors for rectangular tubes 50 x 30 x 2 M10 with 1 nut - with collar 50x30 0 0 0 2,0 M10
K305030201 2M Expander connectors for rectangular tubes 50 x 30 x 2,0 M10 with 2 nuts 50x30 43 8 25 2 M10
K305030201 Expander connectors for rectangular tubes 50 x 30 x 2,0 M10 without nut 50x30 43 8 25 2 M10
K306030201 2M Expander connectors for rectangular tubes 60 x 30 x 2,0 M10 with 2 nuts 60x30 44 10 30 2 M10
K306030201 Expander connectors for rectangular tubes 60 x 30 x 2,0 M10 without nut 60x30 40 10 30 2,0 M10
K306040201 2M Expander connectors for rectangular tubes 60 x 40 x 2,0 M10 with 2 nuts 60x40 39 9 26 2 M10
K306040201 Expander connectors for rectangular tubes 60 x 40 x 2,0 M10 without nut 60x40 39 9 26 2 M10

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