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Hold various sized end mills in your R-8 spindle with this End Mill Holder Set. Includes holders for 3/16-Inch, 3/8-Inch, 1/2-Inch, 5/8-Inch and 3/4-Inch end mills.
Joe B.
Reviewed in the United States on July 28, 2022
These are hardened and ground and as such must be properly tapped to accept a drawbar (7/16-20) to accept the drawbar before they are heat treated. Two of these were not tapped properly preventing the drawbar from threading completely in. It was very difficult to tap the two defective ones and although I was able to do it, I ruined my tap doing it. Not a quality product.
Customer
Reviewed in the United States on December 30, 2019
Holder marked "3/8" is ACTUALLY 1/2". So I got TWO 1/2" holders. I NEED to have a 3/8" holder, but have none.If you buy these, make sure you measure all of them to make sure they are the size they're marked.
Dr. Jake
Reviewed in the United States on August 25, 2017
Excellent fit and finish.
Customer
Reviewed in the United States on October 28, 2017
worked well
Customer
Reviewed in the United States on February 28, 2014
Have used these for 4 months on a new to me 30 year old import 8 x30 knee mill. I never checked the run out with an indicator, but then again, I never did that in 25 years as a professional tool & die maker either. These are no worse for run out than any well used American made holders you would find in any tool & die shop.When I received these they didn't fit up inside the opening in my machine. Searched the web for the R-8 dimensions and tolerances, and my machine was about .001-.0015 too small. I took a wood dowel, cut a slot thru one end, and wrapped sandpaper around it. chucked the other end in an electric hand drill. Stuffed it up there and was able to open up the hole till these fit OK, and the other collets I bought fit OK. After that, these holders have worked well.I did not have any trouble with the key slots - they just fit perfect. Only thing that I have a slight annoyance with is 2 of them had the drawbar go in slightly tight. I ran a tap in them and no more issues.Good set for the money.
C. Lockwood
Reviewed in the United States on July 16, 2013
The tool holder are accurately made have minimal runout and allow a much easier setup. Easy to change tooling and return to zero, makes the job easier working with precision. They work as close as you.
Jim
Reviewed in the United States on June 5, 2013
These work great and hold the milling cutters well. The price seemed reasonable to me and the quality is good.
StanS
Reviewed in the United States on May 14, 2013
Getting setup for a home machine can be a major expense. However these holders are friendly to your budget but still perform adequately.
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