Stop Collar Set
$20
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On orders over $49 within the contiguous USA.
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- Precise and consistent results, prevent over / under drilling, ideal for repeated hole depths
- Quick and easy adjustment at any point on drill bit flutes / shafts
- Split ring collar has 5x holding power vs. standard set screw design
- Durable, lightweight aluminum for superior performance over steel
- Universal sizes: 1/2", 7/16”, 3/8”, 5/16”, 1/4”, 7/32”, 3/16”, 1/8”
What's Included
- Stop Collars: 1/2", 7/16”, 3/8”, 5/16”, 1/4”, 7/32”, 3/16”, 1/8”
- Allen Wrench
Specifications
Brochure
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Prevent over / under drilling

Description
Superior split ring design made from durable, lightweight aluminum for easier use. 5x holding power vs. set screw design. Maintain precise and consistent hole depths and prevent over / under drilling mistakes. Quick and easy adjustment at any point on drill bit flutes / shafts. Fits twist and brad point drill bits for wood, metal, concrete / masonry. 8 piece set includes Allen wrench and one stop collar in each of the following sizes: 1/2″, 7/16”, 3/8”, 5/16”, 1/4”, 7/32”, 3/16”, 1/8”
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4.76 out of 5 stars
37 reviews
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What others are saying
Kindle Customer (verified owner) –
Having made of aluminum stops mean you can drill out with your bit and have perfect fit that made for great job.
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Jamie (verified owner) –
These collars stay put! No more sliding up or down the drill bit shaft. Well made!
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Staci (verified owner) –
Works perfectly for the small time diy’r who doesn’t have a workshop or drill-press. I made some shelves and I only wanted the holes 1/2” deep on a 3/4” board (so I could fit in dowel-rod legs)…worked perfectly just like a charm!
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Michael A. Canino (verified owner) –
These collars are great. I have several steel versions because I am ever hopeful they will not jam or break. These aluminum ones seem to have more give so they slide well on the drill bit but then tighten down very well and hold. I plan to buy another set because many times I need multiples of the same size.
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Dan Lampe (verified owner) –
High quality tooling. Works well.
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