What is a non-sparking wrench?

Commonly used hand tools are often manufactured of steel alloys. Preferred &#;non-sparking&#; metals have less tensile strength than steel used to make tools. A lower tensile strength means the metal has less strength or resistance to tearing apart when stretched under test conditions. It also means that these tools are softer, wear down more quickly than ordinary steel tools, and must be dressed more frequently.

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&#;Non-sparking,&#; &#;spark reduced,&#; &#;spark-resistant,&#; or &#;spark-proof&#; tools are names given to tools made of metals such as brass, bronze, Monel metal (copper-nickel alloy), copper-aluminum alloys (aluminum bronze), or copper-beryllium alloys (beryllium bronze).

What is the most important thing to know about &#;non-sparking&#; tools?

Non-sparking tools also generate sparks, sometimes referred to as &#;cold sparks&#;. These cold sparks have a low heat level and do not ignite carbon disulfide, which has the lowest ignition point of any known substance. Therefore, while &#;non-sparking&#; tools may lower the risk of a spark, they do not eliminate the possibility of sparks. The name &#;non-sparking&#; is misleading because these tools are capable of producing a spark: the term &#;reduced-sparking tools&#; better describes these tools.

Non-metals like wood, leather, and plastic are suitable for some tools like shovels, scrapers or scoops and do not pose a friction spark hazard.

Non-sparking tools provide protection against fires and explosions in environments where there is a concern about sparks igniting flammable solvents, vapours, liquids, dusts, or residues.

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NOTE: It is important to assess each situation carefully and use the appropriate tools for the hazards that are present. In some cases, &#;non-sparking&#; tools may still be able to produce a spark. Contact the tool manufacturer and the producer of the flammable material (for example) for recommendations and more information.

NOTE: It is also important to consider the metals used in the tools themselves. For example, beryllium has been associated with several health issues, including cancer. While exposure to beryllium dust is likely very low with the general use of non-sparking tools, it may be a consideration when grinding or polishing the tool itself.

Ordinary open wrenches can be found in almost any toolbox. But welders, pipefitters, and other construction pros should also keep a selection of aluminum bronze wrenches in their tool collection. These non-sparking wrenches are safer to use around combustible materials or where flammable vapors may be present. If you work in such environments, you need wrenches made of non-ferrous metal alloys.

Intercon offers aluminum bronze wrenches in a variety of sizes. Find the open wrench in the dimension you use most often, or purchase a collection to fit more different-sized nuts, bolts, or pipes. Shop our collection of non-sparking wrenches to complete your tool collection.

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• Non-Sparking
• Low Magnetism
• Tough
• HRC 22 -29
• Beryllium Free
• ATEX Zones 1, 2, 21 & 22
• ATEX Rated Ex Gb II B
• Most Common