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CONFAST 1/4 x 2-3/4 Hex Head Concrete Screw Anchor with Drill Bit 100 per Box
CONFAST 1/4' x 2-3/4' Hex Head Concrete Screw Anchor with Drill Bit (100 per Box): Industrial & Scientific. CONFAST 1/4" x 2-3/4" Hex Head Concrete Screw Anchor with Drill Bit (100 per Box): Industrial & Scientific. Applications.The anchor is made from Carbon Steel, and is Blue. This anchor is designed for use in Concrete, Block, and Brick..Environment.The anchor is designed for use in a Dry environment..Head Style .The anchor is a Hex Washer head and is designed to allow the head to sit on top of the surface of the item being attached..Hole Diameter/Bit Diameter.The anchor requires a 3/6" hole to be drilled in the base material (Concrete, Block, and Brick). The hole should be drilled with carbide tipped bit that meets ANSI standards and used in a hammer drill..Driver Required.A 5/6" is required for driving the anchor into the base material..Diameter of Anchor .The diameter of the anchor is /"..Length Anchor .The length of the anchor is -3/".Thread Length.The length of the threads on the anchor is -3/" in length..Minimum Embedment.The minimum anchor embedment into the concrete is ". Therefore, the anchor must be installed so that a minimum of " of the anchor is embedded into the concrete..Maximum Fixture Thickness.The maximum fixture thickness or the maximum thickness of the material being fastened for a anchor is -/" to -3/". This will ensure that the minimum embedment of " will be met..Fixture Hole Diameter.The hole in the fixture or material being fastened must be larger than the designated diameter of the anchor. The /" diameter anchor requires the hole in the fixture to be 5/6"..Spacing between Anchors.Each anchor must be spaced a minimum distance of " from each other when measured center to center..Edge Distance.It is very important not to install the anchor any closer than 3" from an unsupported edge of the concrete.. . . .