KVT-Fastening, a Bossard company, now offers a range of compression limiters designed to improve the integrity of plastic assembly. The product range can be used in a range of applications where strengthening of plastic components is required.
The plastic forming and moulding process are prevalent in many consumer products and offer a multitude of design options. Modern manufacturers are now optimising products with lighter and thinner material but assembling these products without damaging the material can be challenging. Traditional threaded fasteners are common solutions but require additional components to ensure that they do not damage the lightweight plastic materials that they’re joining together.
Plastic doesn’t have the compressive strength to withstand the force applied by the tightening of a screw or bolt. Plastic may crack and allow the assembly to become loose. Compression limiters are designed to be inserted into a hole before the fasteners are inserted and tightened.
Bossard offers a standard range of FASTEKS® Compression Limiters for press-in and mould-in assembly, suitable for screw diameters of M4 – M10. They also provide sufficient mechanical strength to withstand clamp forces created by a tightened ISO Class 10.9 screw.These compression limiters strengthen and protect the plastic component by absorbing the compressive forces that are generated when a bolt is tightened during the assembly process.
The central external knurling allows the plastic to flow progressively around and in the knurling during the moulding process. For a press-in installation, the non-knurled area ensures that the compression limiter is located squarely in the drilled or moulded hole prior the assembly.
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