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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
$0.8357 - $1.3928 1350 In stock
0.984 in
1.969 in
0.256 in
0.157 in
0.102 in
$1.2227 - $2.0379 150 In stock
0.748 in
2.756 in
0.197 in
0.157 in
0.059 in
$2.678 - $4.4634 40 In stock
1.339 in
5.512 in
0.118 in
0.276 in
0.157 in
$0.1245 - $0.2075 10000 In stock
0.453 in
0.709 in
0.197 in
0.118 in
0.059 in
$0.446 - $0.7434 3000 In stock
0.453 in
1.26 in
0.197 in
0.138 in
0.039 in
$0.3345 - $0.5576 800 In stock
0.571 in
1.575 in
0.197 in
0.197 in
0.118 in
$0.9807 - $1.6346 250 In stock
0.689 in
2.362 in
0.256 in
0.197 in
0.118 in
$1.6925 - $2.8208 100 In stock
0.984 in
3.543 in
0.236 in
0.197 in
0.118 in
$1.9464 - $3.2441 200 In stock
0.846 in
3.74 in
0.236 in
0.217 in
0.138 in
$2.5917 - $4.3196 60 In stock
0.945 in
4.331 in
0.236 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
$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
    • of 2
Tube Insert 50.0 mm 25.0 mm 6.5 mm Black LDPE Square

20594442

Price Range
$1.3928 - $0.8357

Stock Levels
1350 In stock
Attributes
  • AxA
    1.969 in
  • h
    0.984 in
  • h1
    0.256 in
  • Minimum Wall Thickness
    0.102 in
  • Maximum Wall Thickness
    0.157 in
Quick View
View Product >
Tube Insert 70.0 mm 19.0 mm 5.0 mm Black LDPE Square

20594503

Price Range
$2.0379 - $1.2227

Stock Levels
150 In stock
Attributes
  • AxA
    2.756 in
  • h
    0.748 in
  • h1
    0.197 in
  • Minimum Wall Thickness
    0.059 in
  • Maximum Wall Thickness
    0.157 in
Quick View
View Product >
Tube Insert 140.0 mm 34.0 mm 3.0 mm Black LDPE Square

20594619

Price Range
$4.4634 - $2.678

Stock Levels
40 In stock
Attributes
  • AxA
    5.512 in
  • h
    1.339 in
  • h1
    0.118 in
  • Minimum Wall Thickness
    0.157 in
  • Maximum Wall Thickness
    0.276 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 >
Tube Insert 32.0 mm 11.5 mm 5.0 mm Black LDPE Square

20594367

Price Range
$0.7434 - $0.446

Stock Levels
3000 In stock
Attributes
  • AxA
    1.26 in
  • h
    0.453 in
  • h1
    0.197 in
  • Minimum Wall Thickness
    0.039 in
  • Maximum Wall Thickness
    0.138 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
800 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 60.0 mm 17.5 mm 6.5 mm Black LDPE Square

20594480

Price Range
$1.6346 - $0.9807

Stock Levels
250 In stock
Attributes
  • AxA
    2.362 in
  • h
    0.689 in
  • h1
    0.256 in
  • Minimum Wall Thickness
    0.118 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 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 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 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 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 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 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
Quick View
View Product >