Internet #206680928

Model #4581820700767

Store SKU #1001653744

1/4 in. x 3 in. T-Star Washer Head Exterior HCR PowerLag Screw

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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.
  • 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.
  • 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-1900
  • 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.
  • T-Star drive accepts and is compatable with all industry standard bits. Our 6-Lobe design provides superior bit engagement. Better bit engagement means quicker installation with less effort.
  • ICC recognized HCR coating makes these screws ideal for use in treated lumber and exterior applications.
  • T-30 Star Drive System

Info & Guides

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Specifications

Dimensions

Fastener Length (in.)
3
Screw Length
3 in
Thread Pitch
.138

Details

Color Family
Green
Drive Style
Torx
Fastener Length
3 in
Fastener Plating
Magni
Fastener Thread Type
Coarse
Fastener Type
Specialty Fastener
Fastener/Connector Material
Steel
Features
ACQ Rated,Coated,Self Drilling,Self Tapping
Finish
HCR
Finish Family
Green
Grade
Grade 5
Head Style
Washer Head
Included
Screw
Interior/Exterior
Exterior,Interior
Measurement Standard
SAE
Package Quantity
1
Product Weight (lb.)
2.42
Size
1/4 in

Warranty / Certifications

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

Questions & Answers

6Questions9Answers

What is the diameter of the head on this lag?

Asked by otto November 25, 2020
1
Answer

The outside head diameter is .697. You can find all SPAX dimensions on spax.us website under Technical info. Thank you for being a SPAX customer.

i want to attach a 1x2x4 pine wood to 2 studs, and then attach about 200 lbs to that pine wood---...

Asked by rich August 27, 2020
1
Answer

While we are not structural engineers and it depends on the application we can tell you that the 1/4" PowerLag has a allowable shear weight of 766 lbs. See ICC ESR-1782 for more information. Thank you for being a SPAX customer!

I have an American flag mounted to my house. I mounted it using three Grip Rite 2 inch deck scre...

Asked by JD March 15, 2019
2
Answers

With many factors at play, we cannot guarantee the SPAX screw will solve the issue but only offer some suggestions on screw selection. The general recommendation would be to select a fastener that is 1-2 diameters larger than the screw that is pulling out. This hopefully solves the pull-out failure and can still be installed in the old hole. You will want to further consider a head style that will: 1) sit flat against the flag pole bracket, 2) fit through the bracket hole, and 3) is of a adequate length that gives him maximum penetration into the wood member. Thank You for being a SPAX customer.

how much weight will one of these screws hold ?

Asked by john August 11, 2018
2
Answers

I used them to attach a 2x10 x16 ft as a header ,I put 4 screws and it is secure

want to hold a 6 x 6 10 ft long beam with a 6 of these screws and an simpson strong tie l ml24z f...

Asked by ras September 11, 2017
1
Answer

Hello, We would need more information about this application. I would recommend you call 419-630-2490 and one of our technical folks would be happy to speak with you further. Thanks for being a SPAX customer, The SPAX Team

will these work to replace 3/8 inch lag screws or carriage bolts

Asked by budman June 23, 2017
2
Answers

these are only 1/4 so if 3/8 required then not large enough

Customer Reviews

  • 34 Customer Reviews
  • 4.5 out of 5 stars overall
100% of customers recommended.
Overall Ratings
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Made it so much easier then lag bolts if you can use these instead. I did not strip any of the to...
Made it so much easier then lag bolts if you can use these instead. I did not strip any of the torque bit heads out. But I did twist a bit off so I went through 2, T-30 bits. I intsalled about 40 of then in my deck joist I had to repair from rot.
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good penetration ,good grip for drill head
good penetration ,good grip for drill head
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Worked exactly for what I needed them for. Would buy again.
Worked exactly for what I needed them for. Would buy again.
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Love them and use them for everything.... now if only...
Love them and use them for everything.... now if only my Home Depot location knew how to order enough to keep them in stock
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Super easy to install, very strong...
Super easy to install, very strong
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These things are awesome and much easier to fasten than...
These things are awesome and much easier to fasten than lag bolts!
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Rating provided by a verified purchaser...
Rating provided by a verified purchaser
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I haven't had a chance to use them....
I haven't had a chance to use them.
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Great thread design for max. Pull / drive...
Great thread design for max. Pull / drive
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Rating provided by a verified purchaser
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