Global Fastener News

1988 FIN – Dyson Introduces Traceable Bolts

August 23
00:00 2012

 

August 31, 1988 FIN – Jos. Dyson & Sons, Inc., Painsville, Ohio, a hot forger of fasteners and formed parts has introduced fully traceable hex bolts which are traceable back to the original mill test report, the precise heat treat lot process used, and the actual physical test results.
Gary Coberly, sales manager, tells Fastener Industry News that the company’s Dy-Trace bolts are unique because a trace code is applied to the head of every bolt along with the grade and manufacturer’s identification marking. The trace code guaranteed traceability back to the original heat at the steel mill as well as through the various manufacturing stages.
Coberly explained that traceability is usually lost at the lot control stage when material comes out of the steel mill. In most cases, he says, a bolt manufacturer offers a chemicals and physical test report, grade markings, and manufacturer’s identification.
In some cases, a manufacturer will offer an original mill test report with a lot control number, which corresponds to a tag on a package or box of fasteners.
The problem with the system, says Coberly, is that the possibility of human error exists during a production run, as in the case when lots are accidentally mixed or when an overage is included in another package.
The Dy-Trace system does cost more, since new tooling must be used for each lot to apply the trace code, but the benefit is complete traceability of the bolts, Coberly tells FIN.
At the customers request, Dyson also offers a Dy-Trace Data-Pac, which includes documentation of the original certified mill test report, and other certifications of tests performed during the bolt forging process at Dyson. Heat treating reports are also available.
Jos. Dyson & Sons., founded in 1884, hot forges hex bolts in sizes from 5/8 in. through 4 in. diameters and up to 30 in. long. The company is located at 53 Freedom Rd., P.O. Box 228, Painesville, OH 44077. Tel: (800) 321-7058 (National) or (800) 537-2658 ©1988/2012 Fastener Industry News
For information on permission to reuse or reprint this article please e-mail: FIN@GlobalFastenerNews.com
 

 

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