3/16 X 1 1/4 Slotted Hex Washer Blue Concrete Screw Anchor & Drill Bit 3/16 X 1 1/4
Product Detailed Description
3/16 X 1 1/4 Slotted Hex Washer Blue Concrete Screw Anchor with Drill
An externally threaded, hardened screw with a double lead, consisting of alternating raised and lowered threads with notches cut into the raised threads, and a diamond-shaped, nail-type point
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
Case hardened AISI 1022 steel
Concrete screws should be installed a minimum of ten anchor diameters between each other. They have an advantage over most other types of masonry anchors in that they can be installed close to the edge of the material in which they are installed
Depth of Hole
Hole should be of a depth equal to the required embedment plus 1/2"
Tensile and Shear Strength
The suggested safe working load is one-fourth the average proof test loads shown in the above table
The most popular coating for concrete screws is a blue polymer finish
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