Thread galling is a common, yet seldom understood problem with threaded fasteners. Galling, often referred to as a cold-welding process, can occur when the surfaces of male and female threads are placed under heavy pressure. The frustrating aspect of fastener galling is that galled nuts and bolts may pass all required inspections (threads, material, mechanical, … Read More “GALLING – The bane of fastener failure” »
Month: January 2020
Do NOT use self-tapping screws for fixing into wood. It is a common error whereby many people use self-tapping screws for fixing into wood. Self-Tapping screws are designed for use in metal. For that purpose the threads are closer and of shallow depth. This works well in metals like steel and aluminium. However, in wood … Read More “Self-Tapping Screws for Wood – Not a good idea” »
Adding to our ever growing range are BLACK Stainless Steel Screws. This finish is very useful to reduce light reflection from parts, provide an integrated finish to black coloured products & parts and also for decorative purposes. It is a conversion coating that produces a uniform, attractive, and non-reflective black finish on stainless steels. The … Read More “BLACK Coating on Stainless Steel Fasteners” »
Wooden decks usually consist of thin planks; being outdoors, they must endure harsh environmental conditions. The most important construction materials are often the smallest. Although you do need all your heavy elements like power tools, cement, wood, and other building materials, it often comes down to the smallest element to bring all of these together. … Read More “Screw for Wooden decking” »
Plastic is proving to be a versatile material for the future in spite of the hue and cry against it. It is opening up a world of innovations where smaller, lighter and cheaper is driving the markets. But it comes with its own technological challenges such as suitable fastening solutions. The regular screws are completely … Read More “The right screw for plastics” »