HILTI KH‑EZ Screw Anchor (1/4″ × 3″)

This is a high-performance mechanical screw anchor from HILTI, sized at ¼″ diameter by 3″ length, supplied in a 100-piece pack. Designed for efficient fastening into concrete or grout-filled CMU, it features a hex-head drive and is designed for through-fastening applications (i.e., fastening into concrete from the surface). It is built of carbon steel with zinc plating to provide corrosion protection.

• Carbon steel construction with zinc plating for corrosion resistance.
• Hex-head configuration for common socket/driver installation.
• ICC-ES approved for use in cracked concrete, uncracked concrete, grout-filled CMU, and seismic applications.
• Optimised thread design for faster installation, reduced spacings & edge distances.
• No hammering required, and compatible with standard ANSI-tolerance drill bits (no special tolerance required).

• Installing railings, handrails and ledgers into concrete structures.
• Seismic bracing, tilt-up brace anchoring, sill plates, perimeter walls in structural concrete.
• Attaching glazing, windows or storefront frames to concrete.
• Mounting racking and shelving systems in concrete or grout-filled masonry.

• Anchor Size (Diameter × Length): ¼″ × 3″
• Head Configuration: Hex head
• Material / Finish: Carbon steel, zinc-plated (minimum plating thickness ~8 µm)
• Base Materials: Cracked and uncracked concrete, grout-filled CMU, lightweight concrete, concrete over metal deck.
• Installation Type: Through-fastening (anchor is installed through fixture into base material)
• Reusability: Not reusable once set in concrete.

• Supplied as a 100-piece pack of anchors