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Crack Monitoring Discs are used for accurately monitoring concrete crack movements in concrete structures, and provide a solid reference point to ensure consistent and accurate measurements each time. Small cavities in the center of each disc are used to precisely locate the jaws of TSA-271 Digital Caliper for accurate and reliable monitoring measurements. Discs can also be attached easily to either side of the crack using HMA-804 2-Part Epoxy Adhesive or used with Concrete Crack Monitors in measuring and monitoring. Available in packages of 100.
HM-640 Monitoring Discs are constructed of stainless steel.
HM-641 Monitoring Discs are constructed of polycarbonate plastic.
HM-640: 1.0lb (0.45kg)
HM-641: 0.5lb (0.23kg)
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