Concrete And Masonry Frame Fixing Screw 100 Box

• Box of 100 inludes driver bit
• Torx drive 
• Flat countersunk head with locking ribs
• High/low thread for high pull-out resistance
• High pull-out and shear strength

The SiDAX high-performance concrete screw is designed for secure, direct fastening into concrete, brick, and masonry without the need for plugs. Heat treated for strength and finish, a unique thread configuration for speed, low torque insertion and a zinc and yellow passivated coating for added corrosion resistance. Ideal for general construction applications including window and door installation. This screw delivers fast, clean installation with strong holding power for indoor and sheltered outdoor use.