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Heavy duty concrete screws that provide a strong, secure hold for high load applications and small edge distance. Ideal choice for a fast, reliable installation into a variety of substrates. Holds over full anchor length. One piece design for easy installation with ratchet teeth on the head flange for increased hold. Dust relief thread for low torque. Blue tip indicates if the fixing can still be used. ETA Option 1 Approved for cracked and uncracked concrete. Suitable applications include racking, shelving, scaffolding, temporary supports, fencing, railings, and fastening steel and metal base plates to concrete.
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