So I have really getting back into using my Chinese Mini-Lathe (i.e. Harbor Freight / etc see more here: http://diy3dtech.com/mini-lathes/) and decided I need a Carriage End-Stop as I am making dies for my new desktop pneumatic mini-press (see more here: http://diy3dtech.com/200kg-pneumatic-punch-press-machine/). So I designed two version, one with and the other without the use of a spring retainer (if you're looking for springs, look here: https://amzn.to/2SFTJJV) and us common 1/4-20 bolts and nuts.

**Parts List:**
1/4-20 Bolt 2.5 Inches.......: https://amzn.to/2Dosj69
1/4-20 Nut (3/1 or 4.7mm).: https://amzn.to/2RZ2rWC
Spring Package.................: https://amzn.to/2SFTJJV

Note: print these at 1 to 1.2mm wall thickness with 25% infill and the inserted 1/4-20 nut is 3/16 or 4.7mm wide "machine" nut such as these: https://amzn.to/2RZ2rWC Also, if you have slipping issue, cut a small square of sandpaper and slip it under the top and it will lock it in place. Also based upon bolt (i.e. stop length) you can add one of two extenders and please note these are threaded and not slip on.

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