5/16-9 x 4 Inch Zinc Plated A307 Grade A Hex Head Lag Screw
Product Number: 145.516.4
This 5/16-9 x 4 inch hex head lag screw is manufactured from low carbon steel and finished with zinc plating for enhanced corrosion resistance. Designed for heavy-duty fastening into wood and similar materials, the gimlet point helps start installation quickly while the coarse self-drilling thread provides strong holding power. Commonly used in construction, maintenance, marine, industrial, facility, and general repair applications where secure structural fastening is required.
Product Features
- Heavy-duty hex head lag screw
- Zinc plated for corrosion resistance
- Manufactured from low carbon steel
- A307 Grade A fastener
- Coarse thread design for strong holding power
- Gimlet point allows easier installation
- Suitable for wood-to-wood and wood-to-metal applications
- Ideal for structural and maintenance projects
- Designed for demanding fastening applications
- Compatible with standard wrench and socket installation
Specifications
- Item Code: 145.516.4
- Item Type: Lag Screw
- Size: 5/16-9 x 4 Inch
- Diameter: 5/16 Inch
- Length: 4 Inch
- Thread Type: Self-Drilling Thread
- Threads Per Inch: 9
- Material: Low Carbon Steel
- Grade: A307 Grade A
- Finish: Zinc Plated
- Finish Standard: ASTM F1941 Fe/Zn 3AT
- Point Type: Gimlet
- Body Diameter: 0.298 - 0.324 Inch
- Head Height: 0.195 - 0.235 Inch
- Head Height Maximum: 7/32 Inch
- Width Across Corner: 0.552 - 0.577 Inch
- Specification: ASTM A307
- Measurement: Inch
- Origin: Imported
- Category: Lag Screws & Fasteners
Applications
- Wood Construction
- Structural Wood Framing
- Deck Construction
- Fence Installation
- Marine Docks and Structures
- Commercial Building Maintenance
- Industrial Maintenance
- Facility Repairs
- Equipment Mounting
- Contractor Applications
- General Construction Projects
- Heavy-Duty Fastening
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