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Prime-Line 9056353 Hex Lag Screws, 3/8 In. X 3-1/2 In., A307 Grade A Hot Dip Galvanized (50 Pack)

Free shipping on orders over $29.99

$29.68

$ 14 .99 $14.99

In Stock

1.Size:3/8 In. -16


About this item

  • Size: 3/8 inch X 3-1/2 inch
  • Heavy duty wood screw with 6 sided hex bolt head
  • Features deep wood screw threads and does not accept a nut
  • Used in applications where standard wood screws cannot support the load (deck building, etc.)
  • Requires pilot hole to be drilled and installs using wrench or socket tool


Lag screw bolts are used in place of standard wood screws whenever the mounting surface must bear a heavy load. The hex head allows for lag screws to be tightened with more torque than can be used on Phillips head screws, though a pilot hole is still required prior to installation. Note that lag screws do not accept nuts as they are technically thick heavy duty wood screws with threads designed to cut into wood. They are ideal for use on decks since installation can be accomplished without having access to both ends of the fastener, as opposed to standard hex bolts that require a nut on the opposite end.


Casey L.
Reviewed in the United States on July 5, 2023
Used these to re attach cleats to a dock. Good price same quality as what is available at the box store.
sgraham01
Reviewed in the United States on November 17, 2021
Basically the same thing as what is sold at Home Depot, but one third the price.
Jeff
Reviewed in the United States on January 15, 2021
Three of these broke when applying less than 50 ft-lbs of torque to install into a wood beam that had pilot hole drilled. These are not rated for strength like SPAX powerlag which are grade 5 fasteners
David K.
Reviewed in the United States on March 7, 2018
nicer than i thought they'd be for the price. check back in 15 years to see if they lasted.