Cobra 636T Flat Head Concrete Screws, 1/4" x 4"

Highlights:

• Size: 1/4" x 4"
• Flat Head + Super Drive
• Anchors per pack 100
• Corrosion resistant, high and low thread for installation and maximum holding power
• Bonus: Combined head driver ( Robertson & Phillips) drill bit included in 25, 75 and 100 piece packs