The 41mm IRWIN Bi-Metal High Speed Hole Saw is specifically sized for certain plumbing and electrical applications where standard 40mm dimensions are insufficient. This precise diameter accommodates fittings that require slightly larger clearances, making it valuable for heating engineers and specialist installation work. Featuring robust bi-metal construction with electron beam welded teeth, this 41mm holesaw provides exceptional durability and cutting performance. The sharp, variable tooth des
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