Excel Hardware Expansion Screws Closed Hook Anchor Bolts for Wall Concrete Brick, Gold, Set of 2 (10mm)

By Brand : Excel Hardware

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description:load bearing: 250 kg quantity: 2 pcs screw diameter: approx 16mm / 0.6 inch suitable to use for cement concrete materials fixation principle: the expansion screw is by using the wedge angle to prompt expansion and creates friction, to reach the fixed effect need to use 16mm diameter drill bit for drilling holes, the drilling depth should great than or equal to 7 cm, installation: first, insert the expansion screw into the soil-cement admixture, hard twist the closed hook until can't twist it anymore second, screw the nut with wrench until it fixed finally, tightening the closed hook again, package includes: 2 x expansion bolts.