Stainless Steel Concrete Expansion Anchor 1/4-20'' Drop In Expansion Anchors Drill 100Pcs

How to Use:1. You need to drill a hole of the right size.2. Then insert the anchor into the drilled hole.3. Then you need to insert the installation tool (not included) into the anchor bolt.4. The anchor is then tapped with a hammer to expand the anchor so that it can be embedded in the concrete.Specifications:Material: 304 Stainless SteelSurface Treatment: Brighten and DeburredMounting Type: Drop-inNumber of Pieces: 100Thread Size: 1/4-20''Product Outer Circle Diameter: 8mm/0.315inPerforation Diameter: 7.8-8mm/0.307-0.315inPackage Size: 11*10*3.5cm/4.3*3.9*1.3inchGross Weight: 0.8kg/1.76lbPackage Included:100* Expansion AnchorsNotes:1.These anchors should only be used in masonry and solid concrete, please do not use them for block or brick-based materials.2.They are typically used with mechanical screws, bolts, and threaded rods(none included).3.Please allow the slight color difference caused by the shooting light and 1-3cm error due to manual measurement, and make sure you do not mind before you order.

• 【Product Specification】This is concrete expansion anchors, Material: 304 Stainless Steel, Surface Treatment: Brighten and Deburred, Mounting Type: Drop-in, Number of Pieces: 100, Thread Size: 1/4-20'', Perforation Diameter: 7.8-8mm/0.307-0.315in, Product Outer Circle Diameter: 8mm/0.315in. It is made of high-quality 304 stainless steel that is very sturdy, wear-resistant, rust-proof, and impact-resistant, which can effectively protect the internal parts
• 【Good Performance】This concrete anchors features a heavy-duty anchoring system and internal thread, typically used in conjunction with machine screws, bolts, and screws to secure the fixing device to concrete and other masonry materials. Due to its design, it is also commonly used for temporary structures. It can effectively reduce the shrinkage stress and deformation of concrete while reducing energy consumption.
• 【Drop-in Design】Our drop in expansion anchors feature a drop-in design that allows for precise control of expansion rate and expansion range to suit different concrete elements and engineering requirements. It does not loosen easily and its reliable expansion control mechanism has undergone rigorous safety testing to ensure safe use.
• 【Diamond Pattern】This design makes it look not only more beautiful but also helps to increase friction and play a non-slip role and help to grip and hold the insert in the concrete well. The surface of the product is simply brightened and deburred to make it more comfortable to touch and look more lustrous.
• 【Wide Application】This drop in anchor is suitable for new energy, light industry, communication industry, marine industry, machining, me-di-cal machinery, construction industry, automotive manufacturing and bridge construction, and suitable for holes with a diameter of 0.307-0.315inch.