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Manufactured from steel, this new spline wrench was designed especially for holding the spindle spline on many Chinese made round column, square column, and other like-sized mill/drill machines and the smaller X3 sized machines. This wrench has a 28mm spline on one end for the larger machines and a 25mm spline on the other end for the smaller X3 sized machines. The wrench perfectly engages the spindle spline thus controlling rotation during drawbar loosening or tightening operations. The spindle spline wrench solves the problem of the lack of a spindle lock for easier and safer tool changes. No more trying to hand hold onto the V-belts or using the wrong tools which may slip and cause damage to the spline while you adjust the drawbar. Proudly made in Nampa, Idaho!

9 Customer Reviews (5 out of 5 stars) : Sign in to write a review

05/13/2020 7:56:48 PM

No feedback given

Adam G
gets the job done 02/02/2020 3:49:12 PM

Bought this to use with my G0761 mill since I got tired of just holding the spindle to tighten/loosen the drawbar. Works really well for this (using the 28mm end). I attached a magnet to it so that I can place it on the column. Thus getting it out of the way, but some place easy to reach for.

This wrench does make changing collets/end mills much easier than without it. Don't know if anyone else makes something along the same lines. I did search and didn't find anything like it from anyone else (without going to ebray or having to deal with coming over via Chinapost).

Anonymous Reviewer
Great tool great price 02/27/2019 3:27:34 PM

Gear head Mill does not have a spindle lock therefore this tool fills the gap. Easy to use well built and at a price that does not justify making one myself.

Anonymous Reviewer
11/29/2018 7:00:03 PM

Bought this tool about a month ago and it has been a smart move. The used Mill that I acquired didn't come with it and the owner had been using it only as a drill so he lost the spline wrench. Didn't know how to acquire one until I saw this on the Grizzly site. A bit pricey for what it is, a stamped piece from a 1/8" flat stock but very effective. Would of bought two if it was cheaper. Who knows, I may loose it too in time.

Anonymous Reviewer
10/21/2018 1:58:00 PM

No feedback given

Earl A
A necessary and must have tool for my G0752 mill 06/14/2018 7:03:59 PM

Years of struggling for a quick spindle lock has come to an end.
A well crafted new tool added to my must have.

peter V
worked as expected. worth the money. 06/13/2018 5:13:02 PM

No feedback given

Anonymous Reviewer
05/02/2018 3:48:00 PM

No feedback given

John F
03/16/2018 12:58:33 AM

Allows me to tighten the collet much tighter than with nuts only on milling machine draw bar.