Hafren is able to offer its security fasteners with a pre-applied nylon anti-vibration locking patch – helping to ensure an assembly that will stay together irrespective of unauthorised tampering, or vibration. Hafren can also offer a pre-applied locking and sealing service across its extensive range of security fasteners, eliminating the need for secondary locking devices, hand-applied liquid...

Thread tapping screws are in frequent use, particularly in lightweight construction. To ensure process reliability during assembly and to create a reliable component, at the design stage of the fastening - besides the actual design of the screw - the surface coating system must also be precisely defined. Thread tapping screws are screws that form their thread as they are screwed into a pre-dri...

By Anders Söderman, technical director, Bumax AB Galling is a common issue with standard stainless steel bolts and can pose serious problems for critical fastener applications. However, galling can be overcome even in the most challenging of applications – particularly by selecting premium quality stainless steel fasteners. What is galling?Galling is a form of adhesive wear caused by excessive...

The fischer Group of Companies states that the choice of selecting the right anchor, for light to medium fixing tasks, has been made easier thanks to its DUO-Line providing the perfect remedy – with the NO TOOLS JUST HANDS product range setting new standards when it comes to ease of handling. Fixing solutions for medium to heavy loads are suitable for fixing numerous home furnishings, accessori...

Material. Manufacturing process. Design. How these factors interact is crucial for the characteristics of a spring. As there is no relevant academic research in this field in Sweden, Lesjöfors decided to develop the knowledge needed to design springs for the harshest environments itself. Lesjöfors Fjäder AB in Hudene, Västergötland, manufactures springs for a wide range of segments. One special...

By Jim Parsons, fastener test engineer, j-parsons@hotmail.co.uk Up until June 2018 I worked for a global OEM in vehicle testing, specifically carrying out ultrasonic clamp load measurement in threaded joints in regard to suspension systems and component durability testing, as well as prototype and product build tests. Here I will focus on the benefits of ultrasonic clamp load measurement. To do...

Hilti is aiming to consign under and over-torqued HST3 stud anchors to history with the launch of the next generation SIW 6AT-A22 cordless impact wrench and SI-AT-A22 adaptive torque module. The new lightweight SI-AT-A22 module slots into the base of the SIW 6AT-A22 impact wrench and has a mechatronic system that processes live data on the settings being done. When used together, the new system...

Since more than 45 years, Specialinsert is engaged in the production of fastening systems suitable to all the fixing needs on different materials and applications. The Italian company has grown a historic background in traditional mechanical fastening systems, however with the design and manufacturing of custom solutions, the company is growing its expertise in more innovative fields of applica...

Health protection plays an increasingly important role on the construction site and this trend is reflected in the fact that legal regulations are becoming increasingly more stringent. This also has validity for drilling, where stringent workplace dust limits are now in place in numerous countries. With the Duster Expert hammer drill, from Heller Tools GmbH, the professional user can do justice...

With the increasing growth of alternative drive technologies, such as electromobility and hybrid drive systems, the demand for product solutions in the area of joining technology for these applications is also on the rise. As a market leader, NORMA Group is an expert development partner for its customers in these fields of innovation. In recent months, NORMA Group has won a number of orders fro...