Grip-Rite Structural Screws for Exterior Structural Applications - with PrimeGuard Plus Coating - Coarse Thread Wood Screws - Hex Washer Head - 5/16" x 4" - 20 Count - GRSSHW516420

★★★★★ 4.1 149 reviews

US$8.23
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US$8.23
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Free shipping Free 30-day returns

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Product details

Management number 218157259 Release Date 2026/05/03 List Price US$8.23 Model Number 218157259
Category
  • EFFICIENT INSTALLATION: Speed up installation in load-bearing applications with Grip-Rite Structural Screws. Self-starting T17 point eliminates pre-drilling, while the star drive delivers increased torque with a secure grip in wood.
  • VERSATILE: Designed to replace lag screws in decks, beams, ledgers, and other structural applications. Ideal for exterior, load-bearing wood-to-wood construction and use in treated lumber.
  • EXTERIOR WOOD SCREWS: Made from durable steel. PrimeGuard Plus coating provides corrosion and rust resistance, ideal for outdoor projects.
  • SECURE HOLD: Coarse threads deliver a long-lasting bond, providing reliable grip and strength ideal for structural projects.
  • WE BUILD AMERICA: Since 1975, Grip-Rite has been your trusted partner. We deliver innovative and reliable solutions for the task at hand, day one through the lifetime of a project.
UPC 764666745735
Brand Grip-Rite
Color Black
Model GRSSHW516420
Head Type Hex
Size Name 20 Count
Metal Type Alloy Steel
Unit Count 20.0 Count
Item Weight 0.15 Pounds
Part Number GRSSHW516420
Thread Size 5/16"
Thread Type Unc
Drive System External Hex
Manufacturer Grip-Rite
Thread Class Coarse
Thread Style Right Hand
Fastener Size 5/16" x 4"
Fastener Type Type 17 Point
Material Type Steel
Item Type Name Structural Screws
Exterior Finish Polymer
Item Dimensions 4 x 0.01 x 0.01 inches
Number Of Items 1
Thread Coverage Partially Threaded
Number of Pieces 20
Screw Head Style Hex Washer Head
Screw Point Style Self-Tapping
Set Screw Thread Type Unified National Coarse (UNC)
Global Trade Identification Number 00764666745735

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