The 506CU and the EZ506CU cutting wheels feature a super abrasive grit called cubic boron nitride (CBN). CBN allows the wheel to remain sharp longer and stay cool. The strong metal core won't shrink and prevents breaking. Both cutting wheels last 20 times longer than current metal cutting solutions, which means less time changing wheels and fewer trips to the hardware store for replacements. The 506CU is 7/8 inches in diameter and is for use with the 402 Mandrel with screw. The EZ506CU cutting wheel, 1 ½ inches in diameter, is for use with the EZ402 EZ Lock Mandrel.
Dremel 506CU and EZ506CU are available nationwide now at Home Depot, Lowe's and Amazon.com.
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