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Internet #202041057

Model #4571820122547

Store SKU #371018

1/2 in. x 1 0 in. Hex Drive Hex Head High Corrosion Resistant Coating PowerLag Screw

  • No Pre-Drilling in Wood
  • Heat-treated (Grade-5) for high strength and durability
  • HCR coating provides high corrosion resistance
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Product Overview

The SPAX Factor - For the craftsman that concentrates on the details, We Work for You. For the Pro that puts qualify first, we help you create stronger connections, enhance performance and improve results when your reputation is on the line. Say Good Bye to your fathers traditional lag. SPAX PowerLags offer superior installation performance and durability over traditional lag screws and carriage bolts for structural wood construction. Made of carbon steel and coated for long term durability to ensure your project endures. U.S made SPAX is your trusted partner for your fastening needs. Do it Once, Do it Right with SPAX.
  • Stay Stronger for Longer! Heat Treated Grade 5 Durability. Subjecting the screw to heat treating gives greater strength and reduces breakage. Tested under the tougest scenerios to give you confidence in every connection.
  • Check out our Threads!! Our patented thread serration technology allows the screw to be driven faster, easier to install, and reduces splitting in wood. Let the SPAX FACTOR take some of the hassle out of your next project.
  • The ideal replacement for the conventional lag. ICC-ES building code recognized for use in structural wood to wood applications. Check out our ICC-ES Report ESR-1902
  • Options! And more Options! Offers the largest selection of code recognized structural wood to wood engineered fasteners in the industry.
  • Manufactured to Imperial size standards with industry leading pull-through and withdrawl values.
  • ICC recognized HCR coating makes these screws ideal for use in treated lumber and exterior applications.
  • Hex Size: 5/8 in.
  • The trend setting low profile built-on washer head design offers a contemporary and sleek finished installation. Excellent draw down strength without the need for a separate washer delivers superior clamping ability and 40% less driving torque.

Info & Guides

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Specifications

Dimensions

Screw Length
10 in
Thread Pitch (mm)
7.3 mm
Threads Per Inch (TPI)
4.25

Details

Color Family
Green
Drive Style
Hex
Fastener Plating
Magni
Fastener Thread Type
Coarse
Fastener Type
Lag Screw
Fastener/Connector Material
Steel
Features
ACQ Rated,Coated,Self Drilling,Self Tapping
Finish
HCR
Finish Family
Green
Grade
Grade 5
Head Style
Hex
Included
Screw
Interior/Exterior
Exterior,Interior
Measurement Standard
SAE
Package Quantity
1
Product Weight (lb.)
0.3 lb
Returnable
90-Day
Size
1/2 in

Warranty / Certifications

Manufacturer Warranty
For warranty information on this product, please call the Customer Service Center at 1-800-435-4654.

Questions & Answers

Typical questions asked about products:

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  • What are the dimensions of the product?

Customer Reviews

  • 4.7
    out of 14 reviews
  • 100% recommend this product
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Showing 1-10 of 14 reviews
These bolts exceeded my expectations as I built a log gate 7 to 9 inches in diameter and used the...
These bolts exceeded my expectations as I built a log gate 7 to 9 inches in diameter and used them to bind together the 90 degree joints. They didn’t fail when the gate was accidentally dropped and fell over. Amazing! These are the best lag bolts I have ever used on a project that requires great strength.
by
  • Verified Purchase
  • Recommended
Worked great for my project! No issues with any of the screws. All fasterners holding!
Worked great for my project! No issues with any of the screws. All fasterners holding!
by
  • Verified Purchase
  • Recommended
We used 6 lag screws to install a mantle over...
We used 6 lag screws to install a mantle over our new fireplace. They worked perfectly.
by
  • Verified Purchase
So far so good. The length of these makes them difficult to drive, even with a pilot hole, so air...
So far so good. The length of these makes them difficult to drive, even with a pilot hole, so air tools are recommended. Will let you know how they held up after 10 years or so ;-).
by
  • Verified Purchase
  • Recommended
The whole series of SPAX lag screws are excellent. The tips are extremely pointy and edges act li...
The whole series of SPAX lag screws are excellent. The tips are extremely pointy and edges act like saw blades cutting into the wood. We used 3/8" and 1/2" lags to attach steel braces to old 12" beams without pre-drilling. None of them slip after seating, even when using automotive impact wrenches.
by
  • Verified Purchase
  • Recommended
Rating provided by a verified purchaser...
Rating provided by a verified purchaser
by
  • Verified Purchase
Bought four to put up a tree swing and only needed one, such is the strength of the screw. Takes...
Bought four to put up a tree swing and only needed one, such is the strength of the screw. Takes some effort to put in with a socket, but predrilling the hole definitely helped.
by
  • DIY
  • Verified Purchase
  • Recommended
No. It was not the fix for what I was...
No. It was not the fix for what I was looking for. But as a Home Repairman I will use them on some other project. I eventually found 0 diameter screws to fix my need.
by
  • Verified Purchase
Use these if you want solid hardware especially for deck...
Use these if you want solid hardware especially for deck building, they don't break off like the galvanized junk, and go in smooth. well worth the cost.
by
  • Verified Purchase
Rating provided by a verified purchaser...
Rating provided by a verified purchaser
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  • Verified Purchase
Showing 1-10 of 14 reviews