Skip to main content
AmericanaPetLawn & GardenTruck & AutomotiveClothingPoultryHeating & CoolingHorseSporting GoodsOutdoor Power EquipmentFencing & GatesLivestockOutdoor LivingPet & Animal PharmacyToolsHome ImprovementFarm & RanchBoots & ShoesTrailers & TowingHome Decor & FurnitureWild Birds & WildlifeToysGift CardsServices Propane RefillTrailer RentalGarden CenterFeed CenterSame Day DeliveryPetVet ClinicPet WashGrooming at PetsenseDog Training at PetsenseTractor Supply RxPet InsuranceWag!

"Savings and Offers"

Weekly AdSaleClearance

"More Options"

Weekly AdWhat's NewTractor Supply AppEarn Rewards with Neighbor's ClubHometown HeroesLife Out Here BlogTSC Exclusive BrandsTop BrandsClearance ItemsBattery FinderOutdoor Power Equipment Parts FinderHitch Finder

Flash Sale, In-Store and Online now through Sunday

|
Shop Now
Order statusTSC Credit CardsWhat’s newPetsenseWeekly Ad
​

Sign In / Enroll

Get rewarded!

0.0
(0)
0.0 out of 5 stars.
A woman outside with a dog
A woman outside with a dog
  1. Home
  2. /
  3. Home Improvement
  4. /
  5. Hardware
  6. /
  7. Fasteners
  8. /
  9. Screws
  10. /
  11. Wood Screws
  12. /

  13. SPAX 1/4 x 3in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included

  1. Home
  2. /
  4. /
  5. Wood Screws

SPAX 1/4 x 3in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included

Shop all SPAX

  • New Arrival

SPAX 1/4 x 3in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included

Item # 605534899

Image showing 1/4 x 3in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included
Image showing 1/4 x 3in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included
Image showing 1/4 x 3in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included
Image showing 1/4 x 3in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included
Image showing 1/4 x 3in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included
Image showing 1/4 x 3in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included
Image showing 1/4 x 3in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included
Image showing 1/4 x 3in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included
Image showing 1/4 x 3in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included
Image showing 1/4 x 3in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included
$9.99
Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

Shop all SPAX

  • New Arrival

SPAX 1/4 x 3in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included

Item # 605534899

Image showing 1/4 x 3in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included
Image showing 1/4 x 3in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included
Image showing 1/4 x 3in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included
Image showing 1/4 x 3in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included
Image showing 1/4 x 3in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included
Image showing 1/4 x 3in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included
Image showing 1/4 x 3in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included
Image showing 1/4 x 3in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included
Image showing 1/4 x 3in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included
Image showing 1/4 x 3in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included
$9.99
​
Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

SPAX Powerlags Hex Head HCR Coating Structural Screws - Built for Heavy-Duty Outdoor Projects

For outdoor construction, you need fasteners that offer superior strength, durability, and resistance to the elements. Powerlags are engineered to meet these demands, making them the ideal choice for pressure-treated lumber, deck builds, landscaping timbers, sheds, and other heavy-duty structures.

Maximum Torque and Secure Fit - Featuring a hex head design, SPAX Powerlags allow for maximum torque transfer during installation, ensuring a tight, secure fit. Whether you're building a deck, constructing a shed, or securing landscaping timbers, these screws provide the strength needed for reliable, long-lasting results. Plus, with no pre-drilling required, you'll save time and effort on every project.

Superior Corrosion Resistance - Outdoor projects require materials that can withstand the harshest conditions. These screws are coated with advanced High Corrosion Resistance (HCR) technology, protecting against rust and corrosion, even in high-moisture environments or when used with pressure-treated lumber. This ensures your structures remain durable over time.

Trusted by Professionals - SPAX Powerlags are the fasteners of choice for both professionals and DIY enthusiasts. With their superior holding power, corrosion resistance, and easy installation, these screws help you achieve professional-grade results in every build.

Key Features:
Hex head design for optimal torque and easy installation.
HCR coating for superior corrosion resistance.
Ideal for pressure-treated lumber, decks, landscaping, sheds, and more.
No pre-drilling required, saving time on every project.
Engineered for structural strength and long-lasting durability.Main Material: Carbon Steel / Drive Size: 3/8" / Free Bit Included? Yes / Drive Type: Hex / Head Type: Hex Head / Head Size: 0.545" / Partial Thread / Thread Length: 2.360" / Screw Length: 3" / Screw Width: 1/4" / Finish Coating: HCR® (High Corrosion Resistance) finish features a heavy-duty dual-barrier coating for superior protection in harsh indoor and outdoor conditions.

  • Hex Head Design for Maximum Torque: SPAX Hex Head HCR Exterior Powerlags are engineered with a hex head that provides optimal torque transmission, making installation quick and easy. Perfect for heavy-duty outdoor projects like decking, fencing, and landscaping.
  • HCR Coating for Superior Corrosion Resistance: These Powerlags feature SPAX's High Corrosion Resistance (HCR) coating, ensuring long-lasting durability even in the most challenging outdoor environments. Protect your structures from the elements with screws designed to withstand the test of time.
  • No Pre-Drilling Required: With SPAX technology, these Powerlags require no pre-drilling, allowing for faster, more efficient installation. Save time and effort on your outdoor projects without compromising on strength or stability.
  • Ideal for Decks, Fences, and More: Designed for exterior use, SPAX Powerlags provide the strength and durability needed for all your outdoor building projects. Whether constructing a deck, securing a fence, or undertaking other exterior improvements, these Powerlags offer professional-grade performance.
  • Each pack contains 12 pieces of 3" inch screws along with 1 high-quality 3/8" Hex bit(s).
BrandSPAX
Country of OriginMade in USA
Drive StyleHex
Head StyleHex
Fastener Length3 in
FeaturesPartial Thread
FinishHigh Corrosion Resistance
Head Diameter1/4 in
Indoor/OutdoorOutdoor
Measurement StandardSAE
Package Quantity12
Package Weight0.4 lb.
PlatingOther
Primary MaterialCarbon Steel
Screw Size/Gauge1/4 in
Thread Length2.360in.
Thread TypeStandard
WarrantyFor warrenty information call Customer Support 1-800-435-4654.
Manufacturer Part Number45718207007543
No questions have been asked about this product.

No questions have been asked about this product.

Similar Items

  1. SPAX 1/4 x 5in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    SPAX 1/4 x 5in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included

    $11.69
    Was $12.99Save $1.30
  2. SPAX 1/4 x 1-1/2in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    SPAX 1/4 x 1-1/2in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included

    $8.99
  3. SPAX 1/4 x 6in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    SPAX 1/4 x 6in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included

    $12.59
    Was $13.99Save $1.40
  4. SPAX 1/4 x 3in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (50 EA) Bit Included
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    SPAX 1/4 x 3in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (50 EA) Bit Included

    $26.99
    Was $29.99Save $3.00
  5. SPAX 1/4 x 2in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    SPAX 1/4 x 2in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included

    $8.99
  6. SPAX 5/16 x 5in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    SPAX 5/16 x 5in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included

    $18.89
    Was $20.99Save $2.10
  7. SPAX 1/4 x 6in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (50 EA) Bit Included
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    SPAX 1/4 x 6in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (50 EA) Bit Included

    $43.19
    Was $47.99Save $4.80
  8. SPAX 5/16 x 4in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    SPAX 5/16 x 4in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (12 EA) Bit Included

    $11.69
    Was $12.99Save $1.30
  9. SPAX 5/16 x 3in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (50 EA) Bit Included
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    SPAX 5/16 x 3in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (50 EA) Bit Included

    $29.69
    Was $32.99Save $3.30
  10. SPAX 1/4 x 3in. Interior Structural Wood Lag Screws Powerlags Hex Head Hex (50 EA) Bit Included
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    SPAX 1/4 x 3in. Interior Structural Wood Lag Screws Powerlags Hex Head Hex (50 EA) Bit Included

    $17.09
    Was $18.99Save $1.90
  11. SPAX 1/4 x 5in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (50 EA) Bit Included
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    SPAX 1/4 x 5in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (50 EA) Bit Included

    $30.59
    Was $33.99Save $3.40
  12. SPAX 1/4 x 3in. Exterior Structural Wood Lag Screws Powerlags Washer Head T-Star (12 EA) Bit Included
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    SPAX 1/4 x 3in. Exterior Structural Wood Lag Screws Powerlags Washer Head T-Star (12 EA) Bit Included

    $9.99

Items You May Like

  1. Hillman #10 x 3-1/2 in. Deck Plus Deck Screws, Tan, 25-Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hillman #10 x 3-1/2 in. Deck Plus Deck Screws, Tan, 25-Pack

    $9.29
  2. SPAX 1/4 x 3in. Interior Structural Wood Lag Screws Powerlags Washer Head T-Star (12 EA) Bit Included
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    SPAX 1/4 x 3in. Interior Structural Wood Lag Screws Powerlags Washer Head T-Star (12 EA) Bit Included

    $7.99
  3. SPAX 1/4 x 3in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (50 EA) Bit Included
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    SPAX 1/4 x 3in. Exterior Structural Wood Lag Screws Powerlags Hex Head Hex (50 EA) Bit Included

    $26.99
    Was $29.99Save $3.00
  4. Top Rated
    Robtec Wood Screw Kit with Drive Bit, 210 pc.
    5.0 out of 5 stars with 2 reviews
    5.0 (2)

    Robtec Wood Screw Kit with Drive Bit, 210 pc.

    $5.99
  5. National Hardware 3/8 in. x 3-1/2 in. Zinc-Plated Rings with Screw Eye
    4.7 out of 5 stars with 6 reviews
    4.7 (6)

    National Hardware 3/8 in. x 3-1/2 in. Zinc-Plated Rings with Screw Eye

    $9.29
  6. Hillman M10-1.25 x 50mm Zinc-Plated Class 8.8 Metric Hex Cap Screws
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hillman M10-1.25 x 50mm Zinc-Plated Class 8.8 Metric Hex Cap Screws

    $2.99
  7. Top Rated
    Hillman M10-1.25 x 75mm Zinc-Plated Class 8.8 Metric Hex Cap Screws
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Hillman M10-1.25 x 75mm Zinc-Plated Class 8.8 Metric Hex Cap Screws

    $3.29
  8. Hillman Hardware Essentials 5/16 x 4in. Lag Thread Screw Eye Zinc
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hillman Hardware Essentials 5/16 x 4in. Lag Thread Screw Eye Zinc

    $3.99
  9. Hillman Hardware Essentials 3/8 in. x 4-1/2 in. Stainless Steel Fg Lag Screw Eye Bolt
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hillman Hardware Essentials 3/8 in. x 4-1/2 in. Stainless Steel Fg Lag Screw Eye Bolt

    $6.29
  10. Top Rated
    PROWORX Tie Wire 3.5 lbs. Roll, 12 pk.
    5.0 out of 5 stars with 4 reviews
    5.0 (4)

    PROWORX Tie Wire 3.5 lbs. Roll, 12 pk.

    $84.99

Customers Also Bought

  1. SPAX 1/4 x 3in. Interior Structural Wood Lag Screws Powerlags Washer Head T-Star (12 EA) Bit Included
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    SPAX 1/4 x 3in. Interior Structural Wood Lag Screws Powerlags Washer Head T-Star (12 EA) Bit Included

    $7.99
  2. SPAX 5/16 x 4in. Interior Structural Wood Lag Screws Powerlags Hex Head Hex (50 EA) Bit Included
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    SPAX 5/16 x 4in. Interior Structural Wood Lag Screws Powerlags Hex Head Hex (50 EA) Bit Included

    $29.69
    Was $32.99Save $3.30
  3. SPAX 5/16 x 8in. Exterior Structural Wood Lag Screws Powerlags Washer Head T-Star (12 EA) Bit Included
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    SPAX 5/16 x 8in. Exterior Structural Wood Lag Screws Powerlags Washer Head T-Star (12 EA) Bit Included

    $27.89
    Was $30.99Save $3.10
  4. SPAX 5/16 x 4in. Exterior Structural Wood Lag Screws Powerlags Washer Head T-Star (50 EA) Bit Included
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    SPAX 5/16 x 4in. Exterior Structural Wood Lag Screws Powerlags Washer Head T-Star (50 EA) Bit Included

    $36.89
    Was $40.99Save $4.10
  5. SPAX 1/4 x 4in. Interior Structural Wood Lag Screws Powerlags Washer Head T-Star (50 EA) Bit Included
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    SPAX 1/4 x 4in. Interior Structural Wood Lag Screws Powerlags Washer Head T-Star (50 EA) Bit Included

    $21.59
    Was $23.99Save $2.40
  6. SPAX 5/16 x 10in. Exterior Structural Wood Lag Screws Powerlags Washer Head T-Star (150 EA) Bulk Pail Bit Included
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    SPAX 5/16 x 10in. Exterior Structural Wood Lag Screws Powerlags Washer Head T-Star (150 EA) Bulk Pail Bit Included

    $296.99
    Was $329.99Save $33.00
  7. SPAX 5/16 x 12in. Interior Structural Wood Lag Screws Powerlags Washer Head T-Star (250 EA) Bulk Pail Bit Included
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    SPAX 5/16 x 12in. Interior Structural Wood Lag Screws Powerlags Washer Head T-Star (250 EA) Bulk Pail Bit Included

    $328.49
    Was $364.99Save $36.50
  8. SPAX 5/16 x 12in. Exterior Structural Wood Lag Screws Powerlags Washer Head T-Star (150 EA) Bulk Pail Bit Included
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    SPAX 5/16 x 12in. Exterior Structural Wood Lag Screws Powerlags Washer Head T-Star (150 EA) Bulk Pail Bit Included

    $323.99
    Was $359.99Save $36.00
  9. SPAX 1/4 x 5in. Interior Structural Wood Lag Screws Powerlags Washer Head T-Star (500 EA) Bulk Pail Includes 2 Bits
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    SPAX 1/4 x 5in. Interior Structural Wood Lag Screws Powerlags Washer Head T-Star (500 EA) Bulk Pail Includes 2 Bits

    $197.99
    Was $219.99Save $22.00
  10. SPAX 10 x 3in. Interior Wood Screws Construction Flat Head T-Star Plus (16 EA)
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    SPAX 10 x 3in. Interior Wood Screws Construction Flat Head T-Star Plus (16 EA)

    $5.99
  11. SPAX 6 x 3/4in. Interior Wood Screws Construction Flat Head Phillips Square Unidrive (480 EA) Bit Included
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    SPAX 6 x 3/4in. Interior Wood Screws Construction Flat Head Phillips Square Unidrive (480 EA) Bit Included

    $13.49
    Was $14.99Save $1.50
  12. SPAX 8 x 1-1/2in. Exterior Wood Deck Screws Construction Wafer Head T-Star Plus (165 EA) Bit Included
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    SPAX 8 x 1-1/2in. Exterior Wood Deck Screws Construction Wafer Head T-Star Plus (165 EA) Bit Included

    $11.69
    Was $12.99Save $1.30

Reviews

Review this Product

Select to rate the item with 1 star. This action will open submission form.
Select to rate the item with 2 stars. This action will open submission form.
Select to rate the item with 3 stars. This action will open submission form.
Select to rate the item with 4 stars. This action will open submission form.
Select to rate the item with 5 stars. This action will open submission form.
Be the first to review this product
Get the top deals, latest trends and more
Sign up for emails from Tractor Supply today.
First Name*
Last Name*
Email*

Customer Support

  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  

    (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

About Us

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

Work With Us

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

Neighbor's Club

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

Credit Center

  • TSC Credit Card

  • Klarna

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More
  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

  • TSC Credit Card

  • Klarna

Connect & Share with the Tractor Supply Community.

Shop on the go with the Tractor Supply App

Learn More
  • Privacy policy
  • Your Privacy Choices
  • Terms and Conditions
  • California Transparency Act
  • Legal Notices
  • Accessibility
  • Responsible Disclosure Statement
  • Surprise (Balance) Medical Billing Disclosure
  • Transparency in Coverage
  • Human Rights Policy
  • Vendor Code of Conduct
  • California Notice of Collection
  • Privacy Requests

© 2026, Tractor Supply Co. All Rights Reserved.