SPAX 5/16 x 4in. Interior Structural Wood Lag Screws Powerlags Hex Head Hex (250 EA) Bulk Pail Bit Included
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Item # 605566499
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Was129.99
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New Arrival
Item # 605566499
Sale
Was129.99
Save $13.000000000000014 (10%)
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SPAX Hex Washer Powerlags - The Ultimate Structural Fastener: Delivers unmatched strength, speed, and efficiency for wood-to-wood structural connections. Designed for high-torque applications and features a hex head with a built-in washer for maximum pull-down force, eliminating the need for separate washers. With thread serrations, Powerlags require up to 40% less driving torque, making installation faster and easier while helping to prevent wood splitting.
Perfect for framing, timber construction, log home building, and heavy-duty interior projects, these structural fasteners are IRC/IBC code compliant and stamped for easy length identification. No pre-drilling required for 1/4" and 5/16" sizes, while lead holes are recommended for larger diameters.
Sold in job-friendly pack sizes, including bulk pails, with a hex driver included for convenience. Powerlags are the ideal upgrade from conventional lag screws, offering superior holding power and durability for every project.Main Material: Carbon Steel / Drive Size: 7/16" / Free Bit Included? Yes / Drive Type: Hex / Head Type: Hex Head / Head Size: 0.591" / Partial Thread / Thread Length: 2.993" / Screw Length: 4" / Screw Width: 5/16" / Finish Coating: Clear and yellow zinc coatings are tested for use in untreated and pressure-treated lumber for above-ground interior dry/damp applications (AWPA UC1-UC2).
- Strong Wood-to-Wood Connection - Ideal for structural projects.
- Built-In Washer Head - Eliminates the need for separate washers.
- No Pre-Drilling Needed - For 1/4" and 5/16" sizes (larger sizes require lead holes).
- 40% Lower Driving Torque - serrated threads for fast installs.
- Each pack contains 250 pieces of 4" inch screws along with 1 high-quality 7/16" Hex bit(s).
- Stamped Head for Easy ID - Fastener length marking for quick inspection.
- Job-Friendly Packaging - Available in bulk pails with hex driver included.
| Brand | SPAX |
|---|---|
| Country of Origin | Made in USA |
| Drive Style | Hex |
| Head Style | Hex |
| Fastener Length | 4 in |
| Features | Partial Thread |
| Finish | Zinc |
| Head Diameter | 5/16 in |
| Indoor/Outdoor | Indoor |
| Measurement Standard | SAE |
| Package Quantity | 250 |
| Package Weight | 13.9 lb. |
| Plating | Zinc |
| Primary Material | Carbon Steel |
| Screw Size/Gauge | 5/16 in |
| Thread Length | 2.993in. |
| Thread Type | Standard |
| Warranty | For warrenty information call Customer Support 1-800-435-4654. |
| Manufacturer Part Number | 3571010801000 |
