Screw drives that require special tools to torque into place or to unfasten are considered to be tamper resistant. They also tend to be fairly rarely used. These drives are ideal for applications ranging from aerospace technology to video game consoles, because they inhibit tampering or unsupervised repairs. Each of the five drives listed below are considered tamper resistant, but not tamper proof, given the availability of screw driver bits on the market. For a tamper proof screw installation, … Read more
Here at Craftech, we make plastic bearings in a wide variety of materials, some of which perform better than others.
For a high performance bearing, three of the best materials to use are Vespel®, Torlon and Flourosint®, mica filled PTFE. Let’s take a closer look at these three to see what makes them ideal bearing materials.
Vespel® by DuPont is the trademark of a range of high performance polyimide-based plastics. … Read more
Plastic materials are used heavily in the home building process in everything from flooring to insulation, making plastics an indispensable part of the home building industry. The applications of plastics are both practical and aesthetic, with uses so wide ranging they’re hard to categorize. Some of the most important applications impact not only the utility of homes, but also their resale value.
Plumbing valves, pipes, decorative handles and seals are often made of plastic, … Read more
When sourcing a plastic component, it doesn’t matter whether you are an engineer developing a prototype for a special project or a purchasing agent given a part to source last minute. Either way, you need to make sure you have asked and answered all the questions related to your item to ensure you receive what is needed. Knowing the basics helps. What quantity do you need? Have you chosen a material? Do you have any other special requirements? … Read more