CONFAST 3/8" x 3" Zinc Plated Large Diameter Concrete Screw
Concrete screw designed to cut its own thread in properly drilled holes with low torque and a serrated hex washer head. One customer notes strong holding power for securing safes and wood-to-brick applications
Highlights
- self-threading concrete screws
- low torque installation
- secure hold with serrated washer head
Pros
- cuts its own thread into concrete
- low torque installation
- serrated hex washer head prevents back-out
- single piece design, no assembly
Cons
- some users report spinning without gripping
- not rated for outdoor/wet/damp environments
Best For
Features
- WILL CUT ITS OWN THREAD INTO CONCRETE - When inserted in to properly drilled hole
- LOW TORQUE THREADS - easy installation
- SERRATED HEX WASHER HEAD - Prevents back-out
- SINGLE PIECE DESIGN - No assembly required; ready to install
- USE A STANDARD BIT - bit size is the same as the anchor diameter.
