1/2" x 3-1/2" Zinc Plated Steel Hammer Drive Anchors (25 pcs.)

Diameter: 1/2"
Length: 3-1/2"
Material: Steel
Finish: Yellow Zinc
Head Style: Hammer
Drill Size: 1/2"
Thread Size: 13 (Coarse)
Style: C-Type Hammer
Type: Drive Anchor

Box of 25.

A hammer drive anchor is an anchor with a nail-shaped pin enclosed in a sleeve. Once the pin is struck, the anchor expands into concrete, brick or block. These anchors are best suited for light duty fastening.