1/2" x 4" Zinc Hex Washer Head LDT Tapcon Masonry Screws (25 pcs.)

Diameter: 1/2"
Length: 4"
Material: Steel
Finish: Zinc
Head Style: Hex Washer (3/4" Hex)
Drill Size: 7/16"
Thread Length: Partial
Style: LDT
Type: Masonry Screw
Application: Concrete

Box of 25.

A tapered screw used to attach objects to concrete, brick and block.