3/16" x 2-1/4" 410 Stainless Steel Coarse Thread Star Drive Hex Washer Head Masonry Screws

Diameter: 3/16"
Length: 2-1/4"
Material: Stainless Steel
Head Style: Hex Washer (1/4" Hex)
Thread Type: Coarse
Thread Length: Partial
Hardness: 410
Type: Masonry Screw
Diameter 3: 21/64"

Box of 50.

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