A Warning About Counterfeit Bolts
Contributed by: Terry Rust
Everyone should be aware that there is a multi billion dollar
industry in counterfeit parts. Fasteners, such as graded bolts, are a
primary aspect of this fraud. It is bad enough that the laboratory
here in Los Alamos has a full time team inspecting incoming items for
bogus parts. The US customs (I think) issues a periodic listing of
known counterfeit parts and how to ID them, included is a chart of
bogus grade 8 head markings.
When I was putting together the CJ, I bought a BUNCH of grade 8s
from a major fastener company and a few from the local TG&Y; to fill
in, the ones I bought from the fastener company were counterfeit, the
TG&Ys; were fine!
It used to be that the certifications that accompany each lot of
graded bolts was adequate to insure reliability, but, alas, they now
counterfeit that as well. When you buy your bolts, if its from a
fastener company, talk to the vendor and see if they're aware, the
outfit that sold me mine is now very aware because they were facing
the loss of lucrative contracts with both Sandia ands Los Alamos Labs
over this issue. I think they now have their own receipt inspection
and testing program to certify the bolts themselves.
Los Alamos National Laboratory