- Drill bit included
- Notched threads
- Strong, reliable hold
- Taperered shank
- For wood-to-concrete applications
1/4"-dia x 1-3/4"L Concrete Screws are excellent for wood-to-concrete applications. Notched threads cut into masonry for greater stability and pull-out values. Tapered shank provides a wedging action for a strong, reliable hold. Accommodates close-to-edge applications. One drill bit is supplied in each box of 100. Slotted hex head. Blue. Imported.