| Base material | Sound, solid concrete | Structural and equipment fixings where the anchor has been selected for the concrete condition and applied loads. | Wedge anchors are intended for concrete. Do not assume they are suitable for hollow block, brick, or cracked concrete unless the specific product is approved for that use. |
| Common nominal diameters | 1/4 in (6.4 mm), 3/8 in (9.5 mm), 1/2 in (12.7 mm), 5/8 in (15.9 mm), and 3/4 in (19.1 mm) | A range of light- to heavy-duty fastening applications, subject to product data and engineering design. | Confirm the product’s actual dimensions, permitted loads, edge distances, spacing, and concrete strength. Diameter alone does not determine capacity. |
| Drill-bit diameter | Typically matches the anchor’s nominal diameter for standard wedge anchors. | Useful for planning drill bits and installation tooling across common anchor sizes. | Follow the product installation instructions; use the specified bit type and hole-cleaning procedure. Do not substitute a bit based only on a general size chart. |
| Anchor length and embedment | Length is selected to accommodate the fixture thickness, washer and nut, and the product’s required embedment. | Applications with different fixture thicknesses or required embedment depths. | There is no universal embedment depth for all wedge anchors. Check the approved product data, minimum concrete thickness, hole depth, and required thread projection. |
| Zinc-plated carbon steel | Carbon steel with an electroplated zinc finish. | Generally considered for dry, indoor environments with limited exposure to moisture and corrosive agents. | Zinc plating is not equivalent to stainless steel or a heavier protective coating. Confirm corrosion requirements and applicable product approvals. |
| Hot-dip galvanized carbon steel | Carbon steel with a thicker zinc coating than typical electroplated finishes. | May be considered for some outdoor or damp applications when the product and environment are compatible. | Check coating specifications, nut and thread compatibility, exposure conditions, and any project-specific corrosion requirements. |
| Stainless steel | Common grades include 304 and 316 stainless steel; 316 generally offers better resistance to chloride exposure than 304. | Corrosive or exposed environments where stainless-steel fasteners are specified. | Verify the exact grade, strength properties, corrosion exposure, and compatibility with connected metals. Stainless steel does not eliminate every corrosion risk. |
| Cracked concrete and seismic loading | Use only a wedge-anchor product with documented qualification for the required condition and load category. | Projects where structural design requires performance in cracked concrete or under seismic loading. | Check the evaluation report and local code requirements. A standard, unqualified wedge anchor should not be assumed suitable for these conditions. |
| Load capacity and design | Capacity depends on anchor size, embedment, concrete strength and condition, edge distance, spacing, and load direction. | All applications where the connection must meet specified tension, shear, or combined-load requirements. | Use published design data and the project’s governing code. Do not compare anchors using an isolated load figure without its test and installation conditions. |
| Installation and quality control | Drill the specified hole, clean it as instructed, install the anchor to the required depth, and tighten to the specified torque. | Site installation where repeatable performance and inspection are important. | Confirm tool access, installation instructions, inspection needs, and availability of compatible nuts and washers before procurement. |
| International procurement | Dimensions may be listed in inch or metric units; product documentation and approvals vary by market. | Global projects involving multiple suppliers, locations, or local building regulations. | Request traceable material and coating specifications, test or evaluation documentation, consistent unit conversions, and approval for the installation jurisdiction. |