Bit Collars (set of 4)

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1/4" and 1/8" Marked sizes for easy stop-collar identification and optimal workflow; Plus, a split ring design that allows accurate control of depth for the hole to be drilled, making these drill bit depth stop collars ideal for professionals and DIY enthusiast doing production work or repeated drilling projects.

For portable drill applications that require perfect, high precision holes with uniform depth.

Each bit collar is constructed out of heavy-duty solid steel for long term durability, a secure tightened fit, and a non-marring profile that will not damage your drill bits.

This product is sold in sets of 4 stop collars in the requested size.

These work perfectly with our SpeedSetter easy collar set tool (3d printed plastic).

Note:  If the collar does not freely slide onto the shank of your bit, DO NOT FORCE IT and reach out to us immediately.  If you are experiencing issues or have concerns with the collars, please reach out to us at  

Customer Reviews

Based on 12 reviews
Darryl Grossman

Bit Collars (set of 4)

Joe from PA
Do what they're supposed to do.

I have only used them on a couple projects, but they have done what I wanted them for. Fit is good and they stay in place. Won't hesitate to buy more as my bit collection grows.

Eddie Roberts
Excellent experience

Great customer service and excellent product

Doug Kuechenmeister
Love this tool

Consistent, repeatable tool change. Excellent!

Mark Whittaker
Good idea worth the money

Seems to be a quality item and very useful tool, fast shipping and a good price

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Bit Collars (set of 4)

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