FastenMaster FMHLGM412-250 HeadLOK Heavy-Duty Flathead Fastener, 4-1/2 Inches, 250-Count,Black

(172 Reviews)

Price
$151.95

Quantity
(10000 available )

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35 Ratings
31
2
2
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Reviews
  • Krons

    > 3 day

    These are wonderful bolts. Go in like silk without having to drill pilot holes. Pull in very tight with no slipping.

  • John

    > 3 day

    Came with three 6 point star bits instead of an 8 point for some reason, had to go buy another set of bits. Worked well for my application other than that.

  • Bryan D. Adams

    > 3 day

    There where quite a few missing the threads in the bucket. Probably A dozen or more.

  • Scott Sanders

    > 3 day

    I used these screws to secure 1x4 furring strips in a rain screen design on the exterior walls of a new construction house. The work great for that purpose and I am confident in their being able to hold up over the long term. My guys were driving them through the 1x4s, 2 of foam board, 1/2 plywood and into 2x6 studs with a 1/2 cordless drill but I would suggest an impact driver or pre-drilling the holes for a much easier time and mush less splitting of the 1x4s or 2x6 studs.

  • Charles E. Ginger

    > 3 day

    Ive always hated the normal nails and screws you find at Home Depot and Lowes. These things from FastenMaster are definitely the way to go. There is no need to predrill holes and they really bite into the wood. I love them!

  • Zubin

    > 3 day

    Love these. Very strong.

  • CEO

    > 3 day

    Perfect fasteners to add a structural LVL beam. Very low profile head so you can Sheetrock over the top of the screw heads !

  • Dennis D.

    06-06-2025

    Great product

  • Jenn

    > 3 day

    These things, in any length are great, work well and hold awesome!!!

  • ggoose

    > 3 day

    Awsome...plain and simple.

FastenMaster FMHLGM412-250 HeadLOK Heavy-Duty Flathead Fastener, 4-1/2 Inches, 250-Count

From the Manufacturer

Save time, money, and labor costs. HeadLOK eliminates the need to predrill and hand-ratchet in 3/8 inch galvanized lag screws in wood-to-wood projects. HeadLOK"s aggressive threading and sharp gimlet point allows it to zip right into wood or OSB without predrilling. Plus, the wafer head eliminates the need for washers and offers increased pull through strength. Perfect for deck framing, stair stringers, fencing, cabinets, and more! Sizes are perfect for virtually any dimensional wood-to-wood project. HeadLOK fasteners are American made.

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