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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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Product SKUs information
Item Code Price range Availability h AxA h1 Maximum Wall Thickness Minimum Wall Thickness View
$1.0856 - $1.8093 300 In stock
0.827 in
3.15 in
0.236 in
0.157 in
0.059 in
$0.23 - $0.3834 3000 In stock
0.571 in
1.378 in
0.197 in
0.118 in
0.039 in
$0.1052 - $0.1754 5000 In stock
0.453 in
0.984 in
0.197 in
0.118 in
0.039 in
$1.9464 - $3.2441 200 In stock
0.846 in
3.74 in
0.236 in
0.217 in
0.138 in
$0.227 - $0.3783 6000 In stock
0.472 in
0.866 in
0.197 in
0.138 in
0.039 in
$0.4179 - $0.6965 1200 In stock
0.571 in
1.772 in
0.197 in
0.197 in
0.118 in
$0.7223 - $1.2039 400 In stock
0.571 in
2.165 in
0.197 in
0.177 in
0.079 in
$2.8607 - $4.7678 50 In stock
0.984 in
4.724 in
0.197 in
0.236 in
0.098 in
$0.0879 - $0.1466 10000 In stock
0.453 in
0.787 in
0.197 in
0.118 in
0.039 in
$0.1076 - $0.1794 10000 In stock
0.472 in
0.512 in
0.157 in
0.079 in
0.02 in
$0.1068 - $0.1781 12500 In stock
0.472 in
0.472 in
0.157 in
0.079 in
0.039 in
$0.4447 - $0.7412 500 In stock
0.571 in
1.969 in
0.197 in
0.236 in
0.138 in
$1.0374 - $1.7291 150 In stock
0.945 in
3.15 in
0.315 in
0.197 in
0.098 in
$1.6925 - $2.8208 100 In stock
0.984 in
3.543 in
0.236 in
0.197 in
0.118 in
$2.5917 - $4.3196 60 In stock
0.945 in
4.331 in
0.236 in
0.197 in
0.118 in
$0.3345 - $0.5576 220 In stock
0.571 in
1.575 in
0.197 in
0.197 in
0.118 in
$2.701 - $4.5017 60 In stock
0.945 in
3.937 in
0.276 in
0.315 in
0.197 in
$0.212 - $0.3534 500 In stock
0.571 in
1.575 in
0.197 in
0.118 in
0.039 in
$0.4313 - $0.7188 500 In stock
0.571 in
1.772 in
0.197 in
0.118 in
0.039 in
$0.1245 - $0.2075 10000 In stock
0.453 in
0.709 in
0.197 in
0.118 in
0.059 in
    • of 2
Tube Insert 80.0 mm 21.0 mm 6.0 mm Black LDPE Square

20594510

Price Range
$1.8093 - $1.0856

Stock Levels
300 In stock
Attributes
  • AxA
    3.15 in
  • h
    0.827 in
  • h1
    0.236 in
  • Minimum Wall Thickness
    0.059 in
  • Maximum Wall Thickness
    0.157 in
Quick View
View Product >
Tube Insert 35.0 mm 14.5 mm 5.0 mm Black LDPE Square

20594374

Price Range
$0.3834 - $0.23

Stock Levels
3000 In stock
Attributes
  • AxA
    1.378 in
  • h
    0.571 in
  • h1
    0.197 in
  • Minimum Wall Thickness
    0.039 in
  • Maximum Wall Thickness
    0.118 in
Quick View
View Product >
Tube Insert 25.0 mm 11.5 mm 5.0 mm Black LDPE Square

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
Quick View
View Product >
Tube Insert 95.0 mm 21.5 mm 6.0 mm Black LDPE Square

20594558

Price Range
$3.2441 - $1.9464

Stock Levels
200 In stock
Attributes
  • AxA
    3.74 in
  • h
    0.846 in
  • h1
    0.236 in
  • Minimum Wall Thickness
    0.138 in
  • Maximum Wall Thickness
    0.217 in
Quick View
View Product >
Tube Insert 22.0 mm 12.0 mm 5.0 mm Black LDPE Square

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
Quick View
View Product >
Tube Insert 45.0 mm 14.5 mm 5.0 mm Black LDPE Square

20594428

Price Range
$0.6965 - $0.4179

Stock Levels
1200 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
Quick View
View Product >
Tube Insert 55.0 mm 14.5 mm 5.0 mm Black LDPE Square

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
Quick View
View Product >
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
Quick View
View Product >
Tube Insert 20.0 mm 11.5 mm 5.0 mm Black LDPE Square

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
Quick View
View Product >
Tube Insert 13.0 mm 12.0 mm 4.0 mm Black LDPE Square

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
Quick View
View Product >
Tube Insert 12.0 mm 12.0 mm 4.0 mm Black LDPE Square

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
Quick View
View Product >
Tube Insert 50.0 mm 14.5 mm 5.0 mm Black LDPE Square

20594459

Price Range
$0.7412 - $0.4447

Stock Levels
500 In stock
Attributes
  • AxA
    1.969 in
  • h
    0.571 in
  • h1
    0.197 in
  • Minimum Wall Thickness
    0.138 in
  • Maximum Wall Thickness
    0.236 in
Quick View
View Product >
Tube Insert 80.0 mm 24.0 mm 8.0 mm Black LDPE Square

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
Quick View
View Product >
Tube Insert 90.0 mm 25.0 mm 6.0 mm Black LDPE Square

20594541

Price Range
$2.8208 - $1.6925

Stock Levels
100 In stock
Attributes
  • AxA
    3.543 in
  • h
    0.984 in
  • h1
    0.236 in
  • Minimum Wall Thickness
    0.118 in
  • Maximum Wall Thickness
    0.197 in
Quick View
View Product >
Tube Insert 110.0 mm 24.0 mm 6.0 mm Black LDPE Square

20594589

Price Range
$4.3196 - $2.5917

Stock Levels
60 In stock
Attributes
  • AxA
    4.331 in
  • h
    0.945 in
  • h1
    0.236 in
  • Minimum Wall Thickness
    0.118 in
  • Maximum Wall Thickness
    0.197 in
Quick View
View Product >
Tube Insert 40.0 mm 14.5 mm 5.0 mm Black LDPE Square

20594404

Price Range
$0.5576 - $0.3345

Stock Levels
220 In stock
Attributes
  • AxA
    1.575 in
  • h
    0.571 in
  • h1
    0.197 in
  • Minimum Wall Thickness
    0.118 in
  • Maximum Wall Thickness
    0.197 in
Quick View
View Product >
Tube Insert 100.0 mm 24.0 mm 7.0 mm Black LDPE Square

20594572

Price Range
$4.5017 - $2.701

Stock Levels
60 In stock
Attributes
  • AxA
    3.937 in
  • h
    0.945 in
  • h1
    0.276 in
  • Minimum Wall Thickness
    0.197 in
  • Maximum Wall Thickness
    0.315 in
Quick View
View Product >
Tube Insert 40.0 mm 14.5 mm 5.0 mm Black LDPE Square

20594398

Price Range
$0.3534 - $0.212

Stock Levels
500 In stock
Attributes
  • AxA
    1.575 in
  • h
    0.571 in
  • h1
    0.197 in
  • Minimum Wall Thickness
    0.039 in
  • Maximum Wall Thickness
    0.118 in
Quick View
View Product >
Tube Insert 45.0 mm 14.5 mm 5.0 mm Black LDPE Square

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
Quick View
View Product >
Tube Insert 18.0 mm 11.5 mm 5.0 mm Black LDPE Square

20594312

Price Range
$0.2075 - $0.1245

Stock Levels
10000 In stock
Attributes
  • AxA
    0.709 in
  • h
    0.453 in
  • h1
    0.197 in
  • Minimum Wall Thickness
    0.059 in
  • Maximum Wall Thickness
    0.118 in
Quick View
View Product >