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SPAX® Power Lags Hex Washer Head PowerLags® Screw, HCR® Coating 5/16 In. x 3 In.
SPAX® Hex Washer Head construction fasteners with HCR® coating are intended for wood-to-wood connections in exterior structural applications when attaching treated lumber components. These fasteners are designed with a hex head conventional driver system along with a built in washer for applications requiring additional surface area under the head for superior pull-down force. Ideal for deck ledger attachment. Often used for blind, high torque applications where additional engagement of socket to screw head is needed.