The stress-corrosion cracking of screws is a phenomenon where corrosion-resistant materials, such as stainless steel, become cracked and damaged. It typically occurs in alloys, such as stainless steel, and not in pure metals. The corrosion also tends to occur in an environment where stress is applied to the components. There are two possible types of…
From cast iron products to fasteners, NBK offers four centuries of experience
Few companies can attest to a history of more than 100 years but Japanese-based Nabeya Bi-tech Kaisha, or NBK, dates back centuries. The specialty manufacturer of mechanical components, including fasteners, began in the year 1560. “Originally, NBK was a manufacturer of cast-iron products, such as pots and pans, lanterns, and such,” shares Hikoki Goto, engineering…
How to choose the ideal stainless steel material for screws
Typically, those familiar with the industry will think of SUS304 or SUSXM7 types of stainless steel when considering material for screws. However, there are many other types of stainless steel with distinct properties depending on the application. This means certain concerns — such as corrosion from harsh environments — can be reduced or eliminated by…
Four benefits of using eccentric lock washers
Eccentric lock washers are washers that can be combined with commercially available hex nuts to prevent screw loosening. These washers, which are available from NBK, require no special tools for fastening. This means they are as easy to use as spring washers or flat washers. In terms of design, these components consist of a bearing…
Stripped screw removal tools from NBK
NBK, a specialist manufacturer of mechanical components, offers Impact Screwdrivers and Stripped Screw Removal Bits. These tools are ideal for removing stripped screws or those with damaged recesses, which are unable to loosen with conventional tools. Damage may occur for several reasons, such as when recesses are crushed because of rust or corrosion from long-term…
NBK releases new video for correct application of its clamping screws
NBK has launched a new video with tips on correctly using its clamping screws. The video describes usage methods for screws with ball-shaped tips for securely fixing workpieces. NBK is a developer and manufacturer of miniature couplings, special screws, and machine elements for advanced industries, including manufacturing equipment for semiconductors, robotics, machine tools, and medical…