Hillman Fasteners 372080 Drop-in Anchor 1/4'-20

HILLMAN" DROP-IN Drill size: 3/8". Anchor size: 1/4" -20. 1-1/4". Requires 3/8" drill,1/4" bolt. Imbed 1-1/4" min. Thread depth 7/16". Expander plug cant fall out. Box of 100.".