https://www.youtube.com/watch?v=PtDGm4jZl4wHILTI HKD #382980 DROP-IN FLUSH ANCHOR 1/4” x 25MM (50/100PCS) W/IMPERIAL THREADProduct Details: -High-performance carbon steel tool-set drop-in anchor with imperial thread -Approvals / test reports: FM (Factory Mutual) -Material, corrosion: Carbon steel, zinc-plated -Base materials: Concrete (cracked), Concrete (uncracked)Features: -Collar helps to achieve precise setting flush with the surface irrespective of hole depth – ideal for repetitive fastening using threaded rods of the same length -No damage to the thread when tapping in and expanding -“Intelligent” stepped expansion piece adapts to suit materials of different hardness -Visual check for settingApplications: -For medium-duty loads with anchor bolts and threaded rods, e.g. suspension systems for pipes, air ducts and sprinkler systems etc. Show More Show Less
