How much weight can a 1/2 wedge anchor hold?

Technical Specifications for Wedge Anchors Size Minimum Embedment Pull-Out (lbs.) 5/16” 1-1/8” 892 3/8” 1-1/2” 1223 1/2” 2-1/4” 2999 5/8” 2-3/4” 3749 5 more rows

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Get the job done right the first time by using the best masonry anchors for the application. A mason …

Technical Specifications for Wedge Anchors

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Technical Specifications:

To ensure safe and proper wedge anchor installation, certain technical specifications must be considered. Wedge anchors come in a variety of diameters, lengths, and thread length and are available in three materials: zinc plated carbon steel, hot-dipped galvanized, and stainless steel. Wedge anchors should be used only in solid concrete.

Length:

To determine the length of wedge anchor required, add the thickness of the material to be fastened, plus minimum embedment, plus the thickness of the nut and washer. The sum of these three items equals the minimum wedge anchor length. The Wedge anchor requires no maximum hole depth. The depth of the hole in the base material should be at least the length of the anchor minus the thickness of the material being fastened. This will provide some extra depth to accommodate a minor amount of concrete cuttings which may not be able to be cleaned out of the hole.

Spacing:

The forces on a Wedge Anchor are transferred to the base material in which it is installed. If the anchors are installed too close together, it can cause an interaction of the forces, thus reducing the holding power of the anchor. As a rule of thumb, the expansion anchor industry has established a minimum standard of ten (10) anchor diameters for spacing between anchors and five (5) anchor diameters from an unsupported edge. When vibration or sudden impact is part of the load conditions, the spacing between anchors should be increased.

Technical Information: Ultimate Load Values in 2000 PSI Concrete

Size Minimum Embedment Drill Bit Pull-Out (lbs.) Shear (lbs.) 1/4” 1-1/8” 1/4” 877 1082 5/16” 1-1/8” 5/16” 892 1156 3/8” 1-1/2” 3/8” 1223 3238 1/2” 2-1/4” 1/2” 2999 5564 5/8” 2-3/4” 5/8” 3749 6198 3/4” 3-1/4” 3/4” 4978 9378 7/8” 3-7/8” 7/8” 6294 13687 1” 4-1/2” 1” 7329 17712 1-1/4” 5-1/2” 1-1/4” 13162 24206 Values shown are average ultimate values and are offered only as a guide and are not guaranteed. A safety factor of 4:1 or 25% is generally accepted as a safe working load. Reference should be made to applicable codes for the specific working ratio.

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Can you use a screwdriver instead of a drill for anchors?

Screw the anchor in using a screwdriver. You will have to use a drill to install the anchor. Be sure to hold the screwdriver or drill perpendicular to the wall to ensure that the anchor is installed perfectly straight. Clockwise is ""in."" Make sure you are applying enough pressure to allow the threads to catch.

wikihow.com - 4 Ways to Put Anchor Screws in a Wall - wikiHow

This article was co-authored by Mark Spelman . Mark Spelman is a General Contractor based in Austin, Texas. With over 30 years of construction experience, Mark specializes in constructing interiors, project management, and project estimation. He has been a construction professional since 1987. This article has been viewed 1,446,635 times.

Article Summary

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Before you put an anchor screw in a wall, find out what the wall is made of and how heavy the item you plan to hang is so you know which type of anchor to use. Choose an expansion anchor if you have a plaster wall and want to hang something less than 20 pounds. To install the anchor, drill a hole in the wall that's deeper than the anchor is long, then slide the expansion anchor into the hole. Finish by screwing the support screw into the anchor, but remember to leave enough of the screw exposed to hang your picture frame on. To find out how to install a threaded anchor or molly bolt, keep reading!