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REMFORM®
Thread-forming screw for plastics

Today, plastics are utilized in areas where metals were the preferred choice just a few years ago. With plastics, it is possible to integrate various processes and functions into a single component and manufacture that component in a single production step. 

However, with plastic constructions, you arrive at the point when the manufactured component needs to be connected. Our answer to the necessity for a well-priced and reliable connection is self-tapping direct screw fastenings under the ARNOLD REMFORM® brand. Our thread-rolling screw with its asymmetric thread profile is screwed into a pre-formed boss, resulting in an economical, recycling-friendly assembly, and which can be removed and reinstalled.

Cutting 
costs

Reduce 
assembly time

Choice of the 
screw design

Improved plastics flow reduces loads on the boss material and ensures a fastener which is suitable for plastics. The high thread engagement with ARNOLD REMFORM® ensures that the cutting surface is substantial. This increases the fastening's over-torque, and the lower load on the boss material allows higher pre-load forces. This creates a durable connection at the maximum residual pre-load force.

REMFORM®
More secure when joining plastics

The market’s demands

  • Reduce small parts management
  • Support during the design process
  • Trend towards high-performance materials
  • Reduce assembly time
  • Reduce complexity
  • Reduce overall fastening costs
  • Choice of the screw design
  • Minimize assembly risks

ARNOLD provides the solution

REMFORM®
Thread-tapping screw with asymmetric thread profile

Technical advantages of REMFORM®

  • Accessible from one side
  • High assembly reliability
  • High assembly pre-load force
  • Repeat screw fastenings possible
  • Predictable fastening characteristics
  • Short assembly times

Commercial advantages of REMFORM®

  • Reduces trial costs with Fast Designer Plastics
  • Reduces costs by eliminating expensive inserts
  • Reduces number of parts
  • Cuts assembly time and costs by up to 70 %
  • No in-mould process necessary

Animation
Direct plastic screw fastenings save on weight, costs and process time

Process optimization 
with direct screw fastening into plastics

Direct screw fastening into plastic with REMFORM®

Your benefit Injection process REMFORM® Assembly

Conventional processing

Insert Insertion process Injection process Fastener Assembly

Comparing threads 30° plastic screw versus REMFORM®


REMFORM® 
Innovative fastening system for plastics

Plastic: a versatile material

In our increasingly complex world, we can hardly imagine what it would be like without plastics. Nowadays, we come across plastics in use where just a few years ago only metals were to be found. Moreover, the material properties of the latest plastics and state of the art production technologies allow us to implement designs that could not be achieved in metal. With plastics, we can integrate the widest variety of processes and functions into a single component, and manufacture that component in a single production step. However, at some point in the design process, we arrive at the point where the manufactured component needs to be connected to the greater whole. When you designed your component, if you answered "yes" to the questions about whether the fastening needs to be detachable, or whether a defined pre-load force was required, there's no getting round the need for a screw fastening.

Affordable and reliable fastening

Our response to the requirement for a well-priced and reliable connection is direct plastic screw fastenings under the REMFORM® and REMFORM® II™ HS brands. The thread-forming screw with its asymmetric thread profile, which is screwed into pre-formed holes, is realised in a type of assembly that is cost effective, recyclable and which can be undone.

REMFORM® is a trademark licensed by CONTI Fasteners AG

Everything you need.

Application-related and near-series testing
 

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Calculations and simulations for technical evaluation and optimization 

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  • Brochure REMFORM® | REMFORM® II HS™

    Thread-forming screws for plastics
    PDF –
    2 MB
  • Download

White Paper
Remform®

Thread-forming screw for plastics
 
 

Download

  • InfosheetRemform®

    More secure when joining plastics
    PDF –
    242 KB
  • Download

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