For the tube:
Size refers to the outside/external dimension of the tube
For example: 40mm end cap fits a tube section with external diameter 40mm.
For the hole:
For example hole size 20mm look at the table ( D2) and choose size d2 that is larger than the hole size by 0.5-1.5mm.
To keep water out and stop rusting from inside
Easy and secure fitting
Made from plastic LDPE
Black colour
All sizes measure in “mm”
High quality product
For any further questions please contact us.
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