1/2" Combo Drill Bit Installs Lead Anchors for 1/4-20 Combo Sidewalk Bolts
For all masonry surfaces both block and concrete
- Smaller pilot bit starts the hole in the right location.
- Larger 1/2" step bit drills the perfect hole for setting lead machine screw anchors.
- Fully adjustable collar allows you to set the depth of the hole for a perfect set every-time.
- Comes with Hex Wrench
- Sold individually