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      5. Expander connector without shoulder - round
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      10. Height-adjustable inserts for round tube Ø 50, 55, 60 mm
      11. Height-adjustable inserts for Ø 40 or Ø 42 mm round tube - small base
      12. Height-adjustable inserts for Ø 40 or Ø 42 mm round tube - large, fixed foot
      13. Height-adjustable inserts for round tube Ø 60 mm - round or hexagonal base
      14. Height-adjustable inserts with ball joint for round tube measuring Ø 40 mm or Ø 42 mm
      15. Expander connector with flat collar - round
      16. Expander connector with radius collar - round
    9. Oval threaded tube inserts
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ProductsTube insertsRound threaded tube insertsExpander connector without shoulder - round
2.8.5

Expander connector without shoulder - round

Expander connector without shoulder - round
Expander connector without shoulder - round
Expander connector without shoulder - round
Expander connector without shoulder - round
Expander connector without shoulder - round
Expander connector without shoulder - round
Expander connector without shoulder - round
Expander connector without shoulder - rounddrawing_1
Product information
  • Expander connectors, also called expanding tube connectors or expansion sockets, are available for round tubes with external dimensions from Ø 16 mm to Ø 60.3 mm inclusive, and for wall thicknesses of 1.5 mm to 2.5 mm inclusive
  • Thread sizes 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 round 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, M=thread size, Model=wall thickness, SW=spanner size, Tube size=external tube Ø, Type=number of nuts

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3 pages - 1 2 3

Article Description Tube size Version L3 L2 L1 M
K1035151 Expander connector round shoulderless PA Ø35mm - 1.5mm - M10 - without nut - Black 35 1,5 42 30 10 M10
K1032151 2M Expander connector round shoulderless PA Ø32mm - 1.5mm - M10 - with 2 nuts - Black 32 1,5 43 32 10 M10
K1032151 1M Expander connector round shoulderless PA Ø32mm - 1.5mm - M10 - with 1 nut - Black 32 1,5 43 32 10 M10
K1032151 Expander connector round shoulderless PA Ø32mm - 1.5mm - M10 - without nut - Black 32 1,5 43 32 10 M10
K1030158 2M Expander connector round shoulderless PA Ø30mm - 1.5mm - M8 - with 2 nuts - Black 30 1,5 42 32 12 M 8
K1030158 1M Expander connector round shoulderless PA Ø30mm - 1.5mm - M8 - with 1 nut - Black 30 1,5 42 32 12 M 8
K1030158 Expander connector round shoulderless PA Ø30mm - 1.5mm - M8 - without nut - Black 30 1,5 42 32 12 M 8
K1030151 2M Expander connector round shoulderless PA Ø30mm - 1.5mm - M10 - with 2 nuts - Black 30 1,5 42 32 12 M10
K1030151 1M Expander connector round shoulderless PA Ø30mm - 1.5mm - M10 - with 1 nut - Black 30 1,5 42 32 12 M10
K1030151 Expander connector round shoulderless PA Ø30mm - 1.5mm - M10 - without nut - Black 30 1,5 42 32 12 M10
K1028158 2M Expander connector round shoulderless PA Ø28mm - 1.5mm - M8 - with 2 nuts - Black 28 1,5 43 35 15 M 8
K1028158 1M Expander connector round shoulderless PA Ø28mm - 1.5mm - M8 - with 1 nut - Black 28 1,5 43 35 15 M 8
K1028158 Expander connector round shoulderless PA Ø28mm - 1.5mm - M8 - without nut - Black 28 1,5 43 35 15 M 8
K1028156 2M Expander connector round shoulderless PA Ø28mm - 1.5mm - M6 - with 2 nuts - Black 28 1,5 43 32 12 M 6
K1028156 1M Expander connector round shoulderless PA Ø28mm - 1.5mm - M6 - with 1 nut - Black 28 1,5 43 32 12 M 6
K1028156 Expander connector round shoulderless PA Ø28mm - 1.5mm - M6 - without nut - Black 28 1,5 43 32 12 M 6
K1025158 2M Expander connector round shoulderless PA Ø25mm - 1.5mm - M8 - with 2 nuts - Black 25 1,5 43 32 12 M 8
K1025158 Expander connector round shoulderless PA Ø25mm - 1.5mm - M8 - without nut - Black 25 1,5 43 32 12 M 8
K1025156 2M Expander connector round shoulderless PA Ø25mm - 1.5mm - M6 - with 2 nuts - Black 25 1,5 42 35 15 M 6
K1025156 1M Expander connector round shoulderless PA Ø25mm - 1.5mm - M6 - with 1 nut - Black 25 1,5 42 35 15 M 6
K1025156 Expander connector round shoulderless PA Ø25mm - 1.5mm - M6 - without nut - Black 25 1,5 42 35 15 M 6
K1022158 2M Expander connector round shoulderless PA Ø22mm - 1.5mm - M8 - with 2 nuts - Black 22 1,5 42 33 13 M 8
K1022158 1M Expander connector round shoulderless PA Ø22mm - 1.5mm - M8 - with 1 nut - Black 22 1,5 42 33 13 M 8
K1022158 Expander connector round shoulderless PA Ø22mm - 1.5mm - M8 - without nut - Black 22 1,5 42 33 13 M 8
K1022156 2M Expander connector round shoulderless PA Ø22mm - 1.5mm - M6 - with 2 nuts - Black 22 1,5 42 33 13 M 6
K1022156 1M Expander connector round shoulderless PA Ø22mm - 1.5mm - M6 - with 1 nut - Black 22 1,5 42 33 13 M 6
K1022156 Expander connector round shoulderless PA Ø22mm - 1.5mm - M6 - without nut - Black 22 1,5 42 33 13 M 6
K10201582 RVS Expander connector round shoulderless PA Ø20mm - 1.5mm - M8 - with 2 stainless steel nuts - Black 20 1,5 43 32 12 M 8
K1020158 2M Expander connector round shoulderless PA Ø20mm - 1.5mm - M8 - with 2 nuts - Black 20 1,5 43 32 12 M 8
K1020158 1M Expander connector round shoulderless PA Ø20mm - 1.5mm - M8 - with 1 nut - Black 20 1,5 43 32 12 M 8
K1020158 Expander connector round shoulderless PA Ø20mm - 1.5mm - M8 - without nut - Black 20 1,5 43 32 12 M 8
K1020156 2M Expander connector round shoulderless PA Ø20mm - 1.5mm - M6 - with 2 nuts - Black 20 1,5 43 33 14 M 6
K1020156 Expander connector round shoulderless PA Ø20mm - 1.5mm - M6 - without nut - Black 20 1,5 43 33 14 M 6
K1019156 2M Expander connector round shoulderless PA Ø19mm - 1.5mm - M6 - with 2 nuts - Black 19 1,5 43 35 16 M 6
K1019156 Expander connector round shoulderless PA Ø19mm - 1.5mm - M6 - without nut - Black 19 1,5 43 35 16 M 6
K1019126 2M Expander connector round shoulderless PA Ø19mm - 1.2mm - M6 - with 2 nuts - Black 19 1,5 42 32 12 M 6
K1060161 2M Expander connector round shoulderless PA Ø60mm - 1.6mm - M10 - with 2 nuts - Black 60 1,6 44,5 30 10 M10
K1060161 Expander connector round shoulderless PA Ø60mm - 1.6mm - M10 - without nut - Black 60 1,6 44,5 30 10 M10
K1080201 2M Expander connector round shoulderless PA Ø80mm - 2.0mm - M10 - with 2 nuts - Black 80 2 37 28 10 M10
K1080201 Expander connector round shoulderless PA Ø80mm - 2.0mm - M10 - without nut - Black 80 2 37 28 10 M10
K1060208 2M Expander connector round shoulderless PA Ø60mm - 2.0mm - M8 - with 2 nuts - Black 60 2 41 30 10 M 8
K1060208 Expander connector round shoulderless PA Ø60mm - 2.0mm - M8 - without nut - Black 60 2 41 30 10 M 8
K1045201 2M Expander connector round shoulderless PA Ø45mm - 2.0mm - M10 - with 2 nuts - Black 45 2,0 43 30 10 M10
K1045201 1M Expander connector round shoulderless PA Ø45mm - 2.0mm - M10 - with 1 nut - Black 45 2,0 43 30 10 M10
K1045201 Expander connector round shoulderless PA Ø45mm - 2.0mm - M10 - without nut - Black 45 2,0 43 30 10 M10
K1042201 2M Expander connector round shoulderless PA Ø42mm - 2.0mm - M10 - with 2 nuts - Black 42 2 44 30 10 M10
K1042201 1M Expander connector round shoulderless PA Ø42mm - 2.0mm - M10 - with 1 nut - Black 42 2,0 44 30 10 M10
K1042201 Expander connector round shoulderless PA Ø42mm - 2.0mm - M10 - without nut - Black 42 2 44 30 10 M10
K1040201 2M Expander connector round shoulderless PA Ø40mm - 2.0mm - M10 - with 2 nuts - Black 40 2 44 30 10 M10
K1040201 1M Expander connector round shoulderless PA Ø40mm - 2.0mm - M10 - with 1 nut - Black 40 2,0 44 30 10 M10

3 pages - 1 2 3

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