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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. 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primary_image

5/16" x 4" Hot Dip Galvanized Steel Hex Head Lag Screws

by Midwest Fastener
SKU 05572
$31.49 - $31.49
$31.49
$31.49
$31.49 - $31.49
$31.49
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

Midwest 5/16 x 4 Hex Lag Screws are crafted from high-strength steel with a hot-dip galvanized finish, providing excellent corrosion resistance and durability for outdoor and heavy-duty applications. Featuring a large hexagonal head, these lag screws allow for high torque installation using wrenches or sockets, ensuring a secure fastening in wood, lumber, and structural materials. The deep, coarse threads deliver superior holding power, making them ideal for heavy timber construction. These lag screws are designed to be used with pre-drilled pilot holes, which helps reduce wood splitting and ensures precise alignment during installation. Perfect for contractors, builders, and DIY enthusiasts, they are suitable for a wide range of projects including decks, fences, and outdoor structures where strength and longevity are critical. With their robust design and corrosion-resistant coating, Midwest 5/16 x 4 Hex Lag Screws provide reliable performance and long-lasting security for your outdoor construction needs.

Features

  • Ideal for heavy timber construction, these lag screws deliver unmatched holding strength and corrosion resistance, ensuring your outdoor projects stay secure and durable over time.
  • 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.
  • Deep, coarse threads provide superior holding power in wood, lumber, and heavy timber applications.
  • Large hexagonal head allows for high torque installation with wrenches or sockets, ensuring secure fastening in wood and structural materials.
  • Pre-drill pilot holes for efficient driving, reducing wood splitting and ensuring accurate alignment.

Specifications

  • Thread Size: 12
  • Scale: Standard
  • Material: Steel
  • Subclass: LS
  • Finish: Hot Dipped Galvanized
  • Length: 4"
  • Thread Type: Coarse
  • Nominal Size: 5/16 in. x 4 in.
  • Color: Gray
  • Class: BG
  • Product Line: GF
  • Drive Type: Wrench/Socket
  • Country of Origin: Thailand
  • Tariff Code: 7318.11.0000
  • Drive Size: 1/2" Wrench/Socket
  • Head Type: Hex
More in Screws & Structural Screws View all 404 →
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