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Square Metric Multi-Wall Ribbed Tube Inserts

In stock

Note: Ensure the "Metric" toggle is selected to view the correct dimensions for these products, as they are designed for metric tubing.
These black, textured LDPE inserts are designed for square metric tubing. Ideal for aesthetic finishes or light-duty load-bearing applications.

The multi-wall ribbed design and press-fit construction ensure a secure, reliable hold in metal tubing.

They are widely used for furniture, frames and tubing protection.

  • Fits tightly into square tubing, posts or poles.
  • Easy to install by hand-pressing or with a mallet.
  • Used in machine building or where structural tubing is required.
Material: LDPE Color: Black Series Code: SRILQ

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34 results
Product SKUs information
Item Code Price range Availability h AxA h1 Maximum Wall Thickness Minimum Wall Thickness View
$1.0374 - $1.7291 150 In stock
0.945 in
3.15 in
0.315 in
0.197 in
0.098 in
$2.8607 - $4.7678 50 In stock
0.984 in
4.724 in
0.197 in
0.236 in
0.098 in
$5.8289 - $9.7148 60 In stock
1.063 in
5.906 in
0.236 in
0.315 in
0.197 in
$0.0688 - $0.1146 12000 In stock
0.453 in
0.591 in
0.157 in
0.079 in
0.039 in
$0.0879 - $0.1466 10000 In stock
0.453 in
0.787 in
0.197 in
0.118 in
0.039 in
$0.1068 - $0.1781 12500 In stock
0.472 in
0.472 in
0.157 in
0.079 in
0.039 in
$0.227 - $0.3783 6000 In stock
0.472 in
0.866 in
0.197 in
0.138 in
0.039 in
$0.3746 - $0.6243 1250 In stock
0.472 in
1.378 in
0.197 in
0.197 in
0.098 in
$0.4179 - $0.6965 600 In stock
0.571 in
1.772 in
0.197 in
0.197 in
0.118 in
$0.4313 - $0.7188 500 In stock
0.571 in
1.772 in
0.197 in
0.118 in
0.039 in
$0.7223 - $1.2039 400 In stock
0.571 in
2.165 in
0.197 in
0.177 in
0.079 in
$0.5984 - $0.9974 474 In stock
0.591 in
2.362 in
0.197 in
0.138 in
0.059 in
$0.1076 - $0.1794 10000 In stock
0.472 in
0.512 in
0.157 in
0.079 in
0.02 in
$0.1052 - $0.1754 5000 In stock
0.453 in
0.984 in
0.197 in
0.118 in
0.039 in
  • of 2
Square Tube Insert 80.0 mm 2.5 mm 5.0 mm Black LDPE - PIR

20594527

Price Range
$1.7291 - $1.0374

Stock Levels
150 In stock
Attributes
  • AxA
    3.15 in
  • h
    0.945 in
  • h1
    0.315 in
  • Minimum Wall Thickness
    0.098 in
  • Maximum Wall Thickness
    0.197 in
Tube Insert 120.0 mm 25.0 mm 5.0 mm Black LDPE Square

20594596

Price Range
$4.7678 - $2.8607

Stock Levels
50 In stock
Attributes
  • AxA
    4.724 in
  • h
    0.984 in
  • h1
    0.197 in
  • Minimum Wall Thickness
    0.098 in
  • Maximum Wall Thickness
    0.236 in
Tube Insert 150.0 mm 27.0 mm 6.0 mm Black LDPE Square

20594626

Price Range
$9.7148 - $5.8289

Stock Levels
60 In stock
Attributes
  • AxA
    5.906 in
  • h
    1.063 in
  • h1
    0.236 in
  • Minimum Wall Thickness
    0.197 in
  • Maximum Wall Thickness
    0.315 in
Square Tube Insert 15.0 mm 1.0 mm 2.0 mm Black LDPE - PIR

20594305

Price Range
$0.1146 - $0.0688

Stock Levels
12000 In stock
Attributes
  • AxA
    0.591 in
  • h
    0.453 in
  • h1
    0.157 in
  • Minimum Wall Thickness
    0.039 in
  • Maximum Wall Thickness
    0.079 in
Square Tube Insert 20.0 mm 1.0 mm 3.0 mm Black LDPE - PIR

20594329

Price Range
$0.1466 - $0.0879

Stock Levels
10000 In stock
Attributes
  • AxA
    0.787 in
  • h
    0.453 in
  • h1
    0.197 in
  • Minimum Wall Thickness
    0.039 in
  • Maximum Wall Thickness
    0.118 in
Square Tube Insert 12.0 mm 1.0 mm 2.0 mm Black LDPE - PIR

20594282

Price Range
$0.1781 - $0.1068

Stock Levels
12500 In stock
Attributes
  • AxA
    0.472 in
  • h
    0.472 in
  • h1
    0.157 in
  • Minimum Wall Thickness
    0.039 in
  • Maximum Wall Thickness
    0.079 in
Square Tube Insert 22.0 mm 1.0 mm 3.5 mm Black LDPE - PIR

20594336

Price Range
$0.3783 - $0.227

Stock Levels
6000 In stock
Attributes
  • AxA
    0.866 in
  • h
    0.472 in
  • h1
    0.197 in
  • Minimum Wall Thickness
    0.039 in
  • Maximum Wall Thickness
    0.138 in
Square Tube Insert 35.0 mm 2.5 mm 5.0 mm Black LDPE - PIR

20594381

Price Range
$0.6243 - $0.3746

Stock Levels
1250 In stock
Attributes
  • AxA
    1.378 in
  • h
    0.472 in
  • h1
    0.197 in
  • Minimum Wall Thickness
    0.098 in
  • Maximum Wall Thickness
    0.197 in
Square Tube Insert 45.0 mm 3.0 mm 5.0 mm Black LDPE - PIR

20594428

Price Range
$0.6965 - $0.4179

Stock Levels
600 In stock
Attributes
  • AxA
    1.772 in
  • h
    0.571 in
  • h1
    0.197 in
  • Minimum Wall Thickness
    0.118 in
  • Maximum Wall Thickness
    0.197 in
Square Tube Insert 45.0 mm 1.0 mm 3.0 mm Black LDPE - PIR

20594411

Price Range
$0.7188 - $0.4313

Stock Levels
500 In stock
Attributes
  • AxA
    1.772 in
  • h
    0.571 in
  • h1
    0.197 in
  • Minimum Wall Thickness
    0.039 in
  • Maximum Wall Thickness
    0.118 in
Square Tube Insert 55.0 mm 2.0 mm 4.5 mm Black LDPE - PIR

20594466

Price Range
$1.2039 - $0.7223

Stock Levels
400 In stock
Attributes
  • AxA
    2.165 in
  • h
    0.571 in
  • h1
    0.197 in
  • Minimum Wall Thickness
    0.079 in
  • Maximum Wall Thickness
    0.177 in
Square Tube Insert 60.0 mm 1.5 mm 3.5 mm Black LDPE - PIR

20594473

Price Range
$0.9974 - $0.5984

Stock Levels
474 In stock
Attributes
  • AxA
    2.362 in
  • h
    0.591 in
  • h1
    0.197 in
  • Minimum Wall Thickness
    0.059 in
  • Maximum Wall Thickness
    0.138 in
Square Tube Insert 13.0 mm 0.5 mm 2.0 mm Black LDPE - PIR

20594299

Price Range
$0.1794 - $0.1076

Stock Levels
10000 In stock
Attributes
  • AxA
    0.512 in
  • h
    0.472 in
  • h1
    0.157 in
  • Minimum Wall Thickness
    0.02 in
  • Maximum Wall Thickness
    0.079 in
Square Tube Insert 25.0 mm 1.0 mm 3.0 mm Black LDPE - PIR

20594343

Price Range
$0.1754 - $0.1052

Stock Levels
5000 In stock
Attributes
  • AxA
    0.984 in
  • h
    0.453 in
  • h1
    0.197 in
  • Minimum Wall Thickness
    0.039 in
  • Maximum Wall Thickness
    0.118 in