Cobra 634J CobraTap Flat Head Concrete Screws, 1/4" x 3-1/4"

Highlights:

• Size: 1/4" x 3-1/4"
• Super Drive: 3" x 2"
• High grade steel to ensure the best torque, pull and shear 
• corrosion Resistant Cobra-Coat to maximize corrosion resistance 
• High & low thread for an ease of installation and maximum holding power 
• Combined head (Robertson & Philips) 
• ACQ compatible
• Anchors per pack 25
• Flat Head + Super Drive