1-3/4" 44.7 mm DiamondSure Diamond Drill Bit Hole Saw for Glass, Tile, Granite, Ceramic, Porcelain, Stone
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<b>[Product Information]</b><br>
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<li>Bonded Diamond Grit: Electroplate bonded diamonds for optimum diamond life.</li>
<li>Nickel Plated: Reduces bit friction and heat build-up and inhibits rust.</li>
<li>Grooved Tip Edge: Provides maximum surface area & increases water "churn" for tip lubrication.</li>
<li>Tip Lubrication Hole: Provides optimum tip lubrication by allowing water flow in and out of bit.</li>
<li>Core Extraction Hole: Special holes in back of the "Bell" allow easy removal of cores or plugs.</li>
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