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Fastener Training Minute Mar 16, 2023FTM 186: Can black oxide treated stainless rust?
Why did screws made of 18-8 stainless steel that were passivated and black oxide treated rust in a salt spray test?
This edition of the Fastener Training Minute with Carmen Vertullo was originally published March, 16th, 2023 as "Why did screws...
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Fastener Training Minute Feb 17, 2023FTM 185: approved coatings for structural bolts
A press release about a new coating for structural bolts and tension control bolts leads Carmen to question whether the coating falls into the ASTM specifications
This edition of the Fastener Training Minute with Carmen Vertullo was originally published February, 17th, 2023 as "What are the...
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Fastener Training Minute Jan 17, 2023FTM 184: Why do we salt spray test stainless steel
A question regarding two different things which seemingly have no overlapping technical issues, stainless steel and salt spray testing
This edition of the Fastener Training Minute with Carmen Vertullo was originally published January, 17th, 2023 as "Why do we...
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Fastener Training Minute Dec 15, 2022FTM 183-why did Monel dissolve during passivation
Hey Carmen, we sent some parts out for passivation and they dissolved, and the parts were made out of Monel
This edition of the Fastener Training Minute with Carmen Vertullo was originally published December 15th, 2022 as "Why did my...
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Fastener Training Minute Oct 27, 2022FTM 181: Should bolts stretch under load
The customer says the bolts are stretching, but we know that bolts stretch. What questions I should ask before I request samples to test?
This edition of the Fastener Training Minute with Carmen Vertullo was originally published October, 27th, 2022 as "How to develop...
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Fastener Training Minute Sep 22, 2022FTM 180: Can you interchange drywall screws and wood screws?
Drywall screws and wood screws have some similarities, but just how interchangeable are they?
This edition of the Fastener Training Minute with Carmen Vertullo was originally published September 22nd, 2022 as "Can we interchange...
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Fastener Training Minute Aug 18, 2022FTM 179: Can the sulphur % in steel be too high?
There's a lot to know about chemistry when it comes to steel in bolts, but in particular sulfur is one of those things that we run into problems with.
This edition of the Fastener Training Minute with Carmen Vertullo was originally published August 18th, 2022 as "the chemical analysis...
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Fastener Training Minute Jul 21, 2022FTM 178: Do drawings always reduce risk?
Drawings usually reduce risk, but sometimes they can increase risk if standards are not properly specified.
This edition of the Fastener Training Minute with Carmen Vertullo was originally published July 21st, 2022 as "Do drawings always...
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Fastener Training Minute Mar 17, 2022FTM 174: How tight is too tight for a Nylon Insert Locknut?
How do I know how tight I need to make a stainless steel nylon insert lock nut?
This edition of the Fastener Training Minute with Carmen Vertullo was originally published March 17th, 2022 as "How tight is...