Package includes 20 premium knurled drop in anchors
For use with 1/4-20 bolt

1" hole depth and 3/8" hole diameter
Ideal for solid concrete
Zinc CR+3 plated RoHS compliant
Drop in anchors are used for anchoring into solid concrete. As the the bolt is tightened, the sleeve dilates against the substrate. Drop-in anchors are made of zinc plated steel for long lasting durability and dependability. Anchors are designed to secure material or structures to concrete. Fasteners accommodate handrails, lighting fixtures, piping, and more.