DeWALT® Concrete Anchor Screw, Series: Tapper®, 3/16 in Diameter, 4 in Overall Length, Hex Washer Head Drive, Carbon Steel, 5/32 in Drill, Blue Perma-Seal, Applicable Materials: Normal-Weight Concrete/Lightweight Concrete/Grouted Concrete Masonry/Hollow Concrete Masonry (CMU)/Solid Brick Masonry/Wood, UNC Thread, #11-16 Thread, 7/64 in H x 1/4 in W Head

ITEM FEATURES:

• High-low thread design
• Good corrosion protection with perma-seal coating
• 1/4 in hex driver
• 1/32 in Thk washer
• 11/32 in OD washer
• 1/4 in fixture clearance hole