Testing of Bolts, Screws & Studs to DIN EN ISO 898-1, ASTM F606-1 & DIN EN ISO 3506-1

Some of the most important fasteners—bolts, screws and studs—are not only considered universally important in industry settings, but also for every day purposes. They are used in construction of complex machinery and equipment as well as vehicles and buildings. Since mechanical stress is concentrated on these types of connection points, the integrity of fasteners is extremely important. Therefore bolts, screws and nuts are subject to strict safety requirements.

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The Traveling Salesman Spends 10 Minutes with Des Broderick

First of all, thank you for your patience and kindness with taking the time to answer all these questions from some Traveling Salesman pestering you from the United States. In 2019, I finally got the opportunity to travel to Ireland and since then it has been of interest to me to interview a distributor. I see from your website you have three locations located in Dublin, Belfast and in Glasgow in Scotland. And when I look at your site I see you distribute several specialty fastener lines. Of course, you also carry show a lot of standard products too. And you have been in business since 1967, so more than 50 years. That is outstanding. Tell us a little bit about Appian. Who owns the company? Share a little history.based in Ireland.

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Ask the Expert – JIS Hex Flange Bolts & Hex Flange Nuts

Japanese manufacturers build their equipment with flange bolts and nuts that are made to the JIS (Japanese Industrial Standards) standards. The specifications that define the dimensions for JIS flange bolts and nuts are JIS B1189 (flange bolts) and JIS B1190 (flange nuts).
There was a major revision to both of these specs in 2005 that resulted in a change in the wrench size (width across the flats) that JIS flange bolts and nuts are made to.

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