Bryce Fastener and mrSTEEL Deploy New Impenetrable Pull Boxes in Mesa, AZ

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Mesa first started using Bryce Fastener’s Penta-Nuts™ in 2009 to prevent copper wire theft from electrical pull boxes. Although this has significantly reduced incidences of stolen copper, thieves are still able to break the pull boxes themselves. To deter further theft, the city has recently begun using mrSTEEL’s impenetrable pull boxes with the Penta-Nuts™.

Bryce Fastener, Inc. and mrSTEEL, Inc. are pleased to announce that they have combined their products – stainless steel fasteners and pull boxes – to prevent copper wire theft in Mesa, AZ.

In Mesa, thieves would habitually break into pull boxes that store electrical utility lines to steal the valuable copper wire inside. They were able to remove the standard fasteners holding down the lids and quickly attach the wire to a car bumper, allowing them to take up to a mile of wire at one time.

Consequently, Mesa suffered huge financial losses; Mark Hopkins of the City of Mesa Streets Department reported that in 2009 the city lost more than $300,000 in wire replacement and repairs.

That same year, the city installed Bryce Fastener’s Penta-Nut™, a 316 stainless steel security nut, on pull boxes in problem areas. The measure was largely successful; after the first year of use, theft was reduced by 90%. The concrete pull boxes still pose a problem, however, as thieves often resort to breaking the lids with sledgehammers.

In response, mrSTEEL in Phoenix, Arizona has developed a pull box that cannot be broken open. When tested against a sledgehammer, these boxes held up and were not compromised. Mesa has incorporated Bryce Fastener’s Penta-Nut™ into the design and is currently testing these new pull boxes in all of Mesa’s problem areas.

Both companies are confident that the innovative design will help Mesa and other cities overcome losses due to copper theft.

Founded in 1972, Bryce Fastener, Inc. specializes in solving demanding security fastener applications with their patented technology. Sales Director Mark Miller works directly with municipalities and public utilities. To learn more about the company’s products or contact Mark, visit or email mark(at)brycefastener(dot)com.

mrSTEEL, Inc. specializes in top quality fabricated steel products. To learn more about them, visit


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