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In other words, there is some play between the post and the blade. I've used the EZ Lock mandrel twice now with a diamond blade that I bought. I've cut through ceramic tile and also a metal bracket. It takes a little getting used to, but you can still use the tool with precision. The EZ lock system makes it convenient to switch attachments without using another tool to do it.I have one observation that's not really a problem but maybe room for improvement: The madrel does keep your blade from coming off the end of the post, but the spring-loaded mechanism doesn't completely prevent the blade from pushing down toward the motor when you're in the process of cutting.
This item is one of the best buys that I've ever made. I plan to buy at least two more for my other Dremel tools.
I have one and it works great, you can change cutters in 3 seconds, the problem is there are too few options to accomodate this new mandrel. I see no way to manufacture heads for say a router bit or grinding bur. They have diamond cutters, carbide cutters and aluminum oxide cut-off disks for this mandrel but thats about all. This is dremels new quick change mandrel for their rotary bits. There are plenty of old style 1/8" shank bits/cutters/burs ect. Just my opinion. but none are interchangable with this one.
DREMEL EZ402 LOCK MANDREL FOR ROTOR TOOL HOLDS GOOD IN CHUCK WELL MACHINED EASY TO TAKE WHAT EVERY YOUR USING ON OR OFF.BM
Simply put: This mandrel permits very quick changing of attachments (typically cutting disks). One note of caution: cutting disks are easy to change, but when changing them, be careful of the temperature of both disks and the mandrel itself.
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