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Products

Screw selector for plastic

The table below offers a guide to select the thread to use based on the type of plastic of the assembly. Field tests will determine the best possible solution to adopt, taking into account the hole geometry, mechanical requirements and installation parameters. 

The type of plastic is determined through the Bending Modulus of the plastic:

  • Ductile plastics 20.000 kg/cm2
  • Medium plastics 21.000 - 30.000 kg/cm2
  • Hard plastics 31.000 - 70.000 kg/cm2
  • Very Hard plastics 70.000 kg/cm2

Type of plastic

Soft

Medium

Hard

Very hard

Thermoset

Low thickness

REMFORM® II™ “HS”

REMFORM®

REMFORM® ‘F’

CELOPLAST

TWINPLAST

IBI-ZAS

PCB

Acceptable
Correct
Optimal