Lyndex 800 064 Collet Opening Diameter Review

This product was exactly what I was looking for! When I tried it, the collet opening diameter was perfect for securely holding my workpiece in place. It's been a game-changer for my workholding needs. The quality is outstanding and it's easy to use. However, it is a bit pricey compared to other workholding options.

For light use only. I made a regular cut down the side of a 1" piece of 1018 steel and my 1" 4 tooth end mill came out of the collet. The depth of cut was only 0.010 inch! I screwed it in very tight, but the collet only grips about an inch of the end mill. It did a really good job cleaning .010" topcuts, but the collet flexes way too much when you push a decent load on it.

I agree with the previous two reviewers who warn that the 1" R8 collet is only for light cuts. I would add that the Lyndex brand collet is far superior to other unnamed 1 inch collets that are cheaper. An inherent problem is that large diameter R8 collets do not have enough clearance. Once the ID is greater than about 7/8 inch, the end mill will no longer fit within the ID of the collet body and some sort of three finger extension must be made that allows the fingers to hold a length of about…