Dewalt Engineered by Powers 1/2 x 3 Screw-Bolt+ Concrete Screw Anchor Zinc PFM1411380 50/BX
- Low installation torque in concrete and masonry.
- Ratchet teeth on underside of hex washer head lock against the fixture.
- Diameter, length and identifying marking stamped on head of each anchor.
- Can be installed closer to a free edge than traditional expansion anchors.