Stop Collar Set


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What's Included

Prevent over / under drilling


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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One review with a 2-star rating

  1. Works well. Once.

    William Durham (verified owner)

    Once you tighten these onto a drill bit, good luck taking them off or adjusting them. When you tighten the set screw the ring clamps down on the drill bit. When you loosen the set screw, the ring stays tight right where it is. You nearly have to damage the ring to adjust it or to remove it.I personally would not recommend this item.

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