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With the Setscrew tight the collar will remain securely in place exactly where you put them and will accurately control the depth of the hole you are drilling.
The Drill Stop Bit Collar Set will quickly and easily help you drill holes to exact depths and are ideal for production work and repeated drilling by positively locking anywhere along the bit.
Bit Limit Rings are used as a Shaft Collar on machinery and can be used on twist drill bits or brad point drills or any type of bit to prevent excessive drill bit penetration and for any job that uses a bit and needs precision.
Jeff Ulrich
2025-08-06 14:50:14
I bought this kit to dowel window screen frames I was building. I was using 0.25" dowels. I used a brad tipped bit with the 0.25" stop collar and I got perfectly deep holes every time. The collar stayed tight for the duration of my drilling (a couple hundred holes). Each collar has two ellen nuts and they tighten securely to ensure the collar stays in place.I recommend this kit to anyone who needs a full set of depth collars for drilling. Good value and good function.
Jerald L Froschauer
2025-06-03 13:01:46
Does exactly what you would expect
Robert J.
2025-04-11 15:46:08
I’ve used tape on my drill bit, eyeball it, etc. nothing beats a stop collar to set your depth exactly where you need it. They come in a nice case with the needed Allen wrench..
JZ
2025-02-05 15:33:46
seller said replacement will take more than a month, so hope your drilling projects can be put on hold for that long!
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