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Achieve clean, accurate holes in tough materials with this 4-inch diamond hole saw, engineered for exceptional performance on hard and brittle surfaces. Featuring a diamond-grit cutting edge, it ensures smooth, precise starts and superior heat and fracture resistance, making it perfect for professional installations and finishing work.
To maximize tool life and performance, always use a water lubrication system for cooling and reduce drilling speed and pressure. Designed specifically for variable-speed hand drills or drill presses, this hole saw is not suitable for impact drivers or hammer drills and should only be used on materials listed on the packaging.
For your convenience, you can access ROK’s warranty and service policy here: ROK General Warranty Information
Ships within 48 hours · Estimated delivery Jun 20 - Jun 25
US$40
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