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More in Screws & Structural Screws View all 404 →
primary_image#9 x 3" Tan XL1500 Coated Steel Star Drive Bugle Head Deck Screws $126.70 primary_image#10 x 4" Tan XL1500 Coated Steel Star Drive Bugle Head Deck Screws $126.70 primary_image#9 x 3" Tan XL1500 Coated Steel Star Drive Bugle Head Deck Screws $35.79 primary_image5/16" x 4" Tan XL1500 Coated Steel Round Washer Head Star Drive Construction Saberdrive Lag Screws $112.10 primary_image#9 x 2-1/2" Tan XL1500 Coated Steel Star Drive Bugle Head Deck Screws $126.70 primary_imageSimpson Strong-Tie SDWS22400DB-R50 Strong-Drive® SDWS™ TIMBER Screw (Exterior Grade) — 0.220 in. x 4 in. T40, Tan (50-Qty) $31.00 primary_imageSimpson Strong-Tie SDWS22500DB-R50 Strong-Drive® SDWS™ TIMBER Screw (Exterior Grade) — 0.220 in. x 5 in. T40, Tan (50-Qty) $38.00 primary_imageSimpson Strong-Tie SDWS22400DB Strong-Drive® SDWS™ TIMBER Screw (Exterior Grade) — 0.220 in. x 4 in. 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5/16" x 3-1/2" Hot Dip Galvanized Steel Hex Head Lag Screws

by Midwest Fastener
SKU 05571
$27.74 - $27.74
$27.74
$27.74
$27.74 - $27.74
$27.74
In-Store Availability
Stock Status: Limited Stock (1-2?) Location: Not Specified
Get Directions 5270 Newport Rd, Gap PA Call Us (717) 442-8970
In-Store Only — Visit us in Gap, PA to purchase

These 5/16 x 3-1/2 Hex Lag Screws from Midwest are crafted from high-strength steel and feature a hot-dip galvanized finish for excellent corrosion resistance and durability in outdoor and heavy-duty applications. Designed with a large hexagonal head, they allow for high torque installation using wrenches or sockets, ensuring a secure fastening in wood, lumber, and structural materials. The deep, coarse threads provide superior holding power, making these screws ideal for demanding construction projects. Commonly used in woodworking, heavy timber construction, and outdoor building projects, these lag screws excel in scenarios where strength and long-lasting performance are essential. Pre-drilled pilot holes help reduce wood splitting and ensure precise alignment during installation. Midwest’s lag screws are a reliable choice for professionals and DIY enthusiasts looking to securely fasten heavy timber and structural components in environments exposed to the elements.

Features

  • Large hexagonal head allows for high torque installation with wrenches or sockets, ensuring secure fastening in wood and structural materials.
  • Deep, coarse threads provide superior holding power in wood, lumber, and heavy timber applications.
  • Made from high-strength steel with a hot-dip galvanized coating for excellent corrosion resistance and long-lasting performance in outdoor and heavy-duty applications.
  • Pre-drill pilot holes for efficient driving, reducing wood splitting and ensuring accurate alignment.
  • Ideal for demanding construction projects, these lag screws deliver exceptional strength and corrosion resistance, making them perfect for securely fastening heavy timber in outdoor environments where durability is critical.

Specifications

  • Drive Type: Wrench/Socket
  • Class: BG
  • Product Line: GF
  • Drive Size: 1/2" Wrench/Socket
  • Nominal Size: 5/16 in. x 3-1/2 in.
  • Color: Gray
  • Material: Steel
  • Thread Size: 12
  • Tariff Code: 7318.11.0000
  • Subclass: LS
  • Finish: Hot Dipped Galvanized
  • Length: 3-1/2"
  • Head Type: Hex
  • Scale: Standard
  • Country of Origin: China
  • Thread Type: Coarse
More in Screws & Structural Screws View all 404 →
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