5pcs Expansion Bolts Heavy Duty Anchor Fastener Eye Bolts for Concrete Wall 11x1.6cm

Feature: 1. The depth of drilling must be more than 7cm 2.8in and the Diameter of drill bit should be 16mm 0.6in. 2. Use a 16mm drill bit mounted on the electric drill and make holes where you need them. Then the expansion screw can be easily inserted into the hole and to be tightened and fixed. 3. About 11cm 4.3in of the full length and Diameter of 16mm 0.6in, suitable for cement concrete material. 4. 250kg 551.2lb(approx.) of the load bearing makes it can be safely used. (the premise is the quality of cement concrete to meet the standard) 5. Use the wedges angle to promote the expansion to produce friction and binding force to achieve the fixed effect. Specification: Item Type: Expansion Bolts Material: Metal Total Length: Approx. 11cm 4.3inUsage: Step 1: Tighten the spanner Step 2: Turn the wrench again until the nut can not be screwed. Step 3: Insert the expansion screw into the hole of the cement concrete wall made ahead of time, and twists the wrench forcedly until it can not be moved Tip: You may need to purchase two additional connectors to connect the expansion screw to the expansion screw.. Package List: 5 x Expansion Bolts