Grip-rite Primeguard Plus 3/8 In. X 10 In. Hex Washer Head Structural Screw (20-count)

Dual drive power head offers flexibility to choose either the included hex driver or star drive bit to fasten the screw. Type 17 point for quicker penetration into the wood. A 3-digit code is stamped into the head for easy spec reference. Faster lag screws in exterior structural wood applications - no pre-drilling. Approved for use in treated lumber. Free bit included.