Concrete Screws

Concrete Screws

An externally threaded, hardened screw with a double lead, consisting of alternating raised and lowered threads with noches cut into the raised threads,

Cuts its own threads and when used in concrete, block or brick. Eliminates the need for an anchor when used in light or medium-duty applications. When used in concrete ,it can be removed and re-driven into the same hole. Special carbide bits are recommended for driving concrete screws into masonry. Some applications include anchoring the following to masonry: electrical junction boxes, wooden beams, plywood, exterior insulation, metal flashing, thresholds.

Dimensions

Flat Phillips Concrete Screws
D Thread Size Fixture Clearance Hole H F Phillips Driver Bit Size
Nominal Diameter Head Height Head Diameter
Ref Ref
3/16 11-16 1/4 9/64 3/8 2
1/4 1/4-15 5/16 3/16 1/2 3

 

Flat Phillips Concrete Screws
D Thread Size Fixture Clearance Hole H F W T
Nominal Diameter Head Height Width Across the Flats Washer Diameter Washer Thickness
Ref Ref Ref Ref
3/16 11-16 1/4 7/64 3/8 11/32 1/32
1/4 1/4-15 5/16 9/16 1/2 13/32 1/32

Téléphone: 450-420-1839