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Sold by: Acme Tools
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WoodPro Fasteners ST516X6-25PC 5/16-Inch by 6-Inch Length Round Washer Head Exterior Wood Screws, 25-Pack , Gold

4.6 4.6 out of 5 stars 332 ratings

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Purchase options and add-ons

Material Steel
Drive System Torx
Head Style Square
Item Dimensions LxWxH 7.9 x 3.5 x 2.8 inches
Exterior Finish Gold Galvanized

About this item

  • 5/16 x 6-Inch length, Includes One 25mm T-30 Star Bit
  • T-30 Star Drive, Torx(tm) Compatible
  • Patented ASTER thread for quick starting
  • Sharp Type-17 Point for easy drilling
  • PPG Industries 1,500 Hour Golden E-Coat
See more product details

Customer ratings by feature

Sturdiness
4.1 4.1
Value for money
3.8 3.8

Frequently bought together

$22.55 ($0.90/Count)
Get it as soon as Wednesday, Mar 13
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Get it as soon as Wednesday, Mar 13
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WoodPro Fasteners ST516X6-25PC 5/16-Inch by 6-Inch Length Round Washer Head Exterior Wood Screws, 25-Pack , Gold
WoodPro Fasteners ST516X6-25PC 5/16-Inch by 6-Inch Length Round Washer Head Exterior Wood Screws, 25-Pack , Gold
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Price$22.55$19.99$12.99$23.99$47.95$23.99
Delivery
Get it as soon as Wednesday, Mar 13
Get it as soon as Wednesday, Mar 13
Get it as soon as Wednesday, Mar 13
Get it as soon as Wednesday, Mar 13
Get it as soon as Wednesday, Mar 13
Get it as soon as Wednesday, Mar 13
Customer Ratings
Sturdiness
4.1
4.6
4.6
Value for money
3.8
4.4
4.5
Sold By
Amazon.com
IMSCREWS
Ez_Shop
Phillips Screw Company
Jake Sales
FMhotu
material
Steel
Carbon Steel
Steel
Carbon Steel
Steel
Alloy Steel
head style
Square
Flat
Bugle
Flat
Flat
head type
Round
Flat
Bugle
Flat
Flat
Flat
thread type
Un
Coarse
Coarse,coarse Thread
thread size
5/16"
6
10
drive system
Torx
Torx
Phillips
Torx
Phillips, Torx
Torx
fastener type
Wood Screws
Screw Mount
Drywall Screw
Wood Screws
Wood Screws
Deck Screws, Wood Screws
fastener size
No. 9
No. 2
No. 12
No. 10
No.14
point style
Type 17 Point
Self-Tapping
Type 17 Point
Self-Drill Point

From the manufacturer

American Fastening Systems, an American company

We've been selling our own brand of fasteners all over the United States since 1995. We source our products from all over the world from responsibly maintained factories that follow our exact specification. We're dedicated to quality and our reviews don't lie. We stand behind our products and guarantee our product will work as intended.

Looking for a screw that requires no pre-drilling, starts fast, glides through wood with ease and won't slip your bit? Give WoodPro Screws a try, you will never use anything else. These screws are the real deal!

All Purpose Drywall Trim Head Cabinet Washer Head
Head Type Non-slip Star/Torx Head #2 Phillps Non-slip Star/Torx Head Non-slip Star/Torx Head Non-slip Star/Torx Head
Point Type Type-17, Sharp Type-A, Sharp Type-17, Sharp Type-17, Sharp Type-17 with Patented ASTER Thread
Coating PPG 1,000 Hour E-Coat Phosphate Coating PPG 1,000 Hour E-Coat PPG 1,000 Hour E-Coat PPG 1,500 Hour E-Coat
Applications General Construction Drywall, General Construction Cabinet Construction, Trim Cabinet Construction, Cabinet Installation Pole to post framing, Landscaping
Rated for ACQ / Exterior Use

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Warranty & Support

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WoodPro Fasteners ST516X6-25PC 5/16-Inch by 6-Inch Length Round Washer Head Exterior Wood Screws, 25-Pack , Gold


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Product Description

Product Description

WoodPro Washer Head Screws are coated by PPG Industries with an industry leading 1,500 hour Electro-Polyseal coating for consistent layering that prevents recess fill while offering superior corrosion protection. The stronger PPG coating helps prevent chipping for added exterior corrosion protection. The secure STAR drive helps reduce bit slippage and a sharp Type-17 point with a patented ASTER thread provides quick starting and effortless drilling. These screws can be used for a wide range of interior and exterior applications. Primary applications include: Post to pole framing, Insulation panels.

From the Manufacturer

WoodPro Washer Head Screws are coated by PPG Industries with an industry leading 1,500 hour for consistent layering that prevents recess fill while offering superior corrosion protection. The stronger PPG coating helps prevent chipping for added exterior corrosion protection. The secure STAR drive helps reduce bit slippage and a sharp Type-17 point with a patented ASTER thread provides quick starting and effortless drilling. These screws can be used for a wide range of interior and exterior applications. Primary applications include: Post to pole framing, Insulation panels.

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Customer reviews

4.6 out of 5 stars
4.6 out of 5
332 global ratings

Customers say

Customers like the quality, performance, and solidness of the screws. They mention that it's a high quality product, works well, and is easy to drive. Some appreciate the performance, saying that it does the job quite well. Overall, customers are happy with the quality and performance of the product.

AI-generated from the text of customer reviews

12 customers mention12 positive0 negative

Customers are satisfied with the quality of the screws. They mention that it works well securing 4x4 deck posts to the deck joists, and it's a high-quality product. Customers also say that the long screws were perfect.

"Excellent quality. I tried it at work. Exactly what is needed. I recommend." Read more

"...These Bolts were excellent for securing the deck post for my railing that I was installing...." Read more

"These are great screws - the Torx head won’t strip out, and these long screws can be driven into full depth without cracking the wood...." Read more

"These are great screws. However, like another reviewer said, these screws are 1/4, not 5/16...." Read more

6 customers mention6 positive0 negative

Customers are satisfied with the performance of the screws. They mention that it does the job quite well, works really good with 4 x 4 lumber, and a 1 / 4 hex impact driver works great.

"...So I ordered these 5/16 screws. They worked perfectly but one thing to note:The shanks of these screws ARE NOT 5/16" in diameter...." Read more

"...A 1/4” hex impact driver works great. The large washer head helps to prevent the screw head from being pulled into/below the board face...." Read more

"These 6" screws work really good with 4 x 4 lumber. I've probably used 4 boxes by now & have had no issues...." Read more

"Went in easily with a power driver, no pilot hole. Very happy with the results." Read more

6 customers mention6 positive0 negative

Customers are satisfied with the solidness of the screws. They mention that the screws are easy to drive and the material is stronger than that of the typical lag.

"...They’re strong, and they held tightly in the wood went through the through the deck beams. I did pre-drill the holes so the wood won’t crack...." Read more

"...The screw material is heat treated alloy steel so this screw material is stronger than that of the typical lag screw, but the shank diameter..." Read more

"...brand of wood fasteners when wanting the stability and strength of heavy-duty wood projects...." Read more

"...These drilled right through with no predrilling nor splitting and hold very strong. A bit pricey maybe but super convenient." Read more

Exactly what I needed - But They Are Not 5/16" O.D.
5 Stars
Exactly what I needed - But They Are Not 5/16" O.D.
I tried using standard 6" long 1/4 lag screws, but the first one broke off in by 2x12. So I ordered these 5/16 screws. They worked perfectly but one thing to note:The shanks of these screws ARE NOT 5/16" in diameter. The only thing 5/16" on this screw is the o.d. of the threads.
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Top reviews from the United States

Reviewed in the United States on December 27, 2023
Reviewed in the United States on October 19, 2023
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5.0 out of 5 stars Exactly what I needed - But They Are Not 5/16" O.D.
Reviewed in the United States on October 19, 2023
I tried using standard 6" long 1/4 lag screws, but the first one broke off in by 2x12. So I ordered these 5/16 screws. They worked perfectly but one thing to note:

The shanks of these screws ARE NOT 5/16" in diameter. The only thing 5/16" on this screw is the o.d. of the threads.
Images in this review
Customer image
Customer image
Reviewed in the United States on June 14, 2023
Reviewed in the United States on June 5, 2021
5 people found this helpful
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Reviewed in the United States on July 25, 2023
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5.0 out of 5 stars Works great Hung Freezer Panels with them
Reviewed in the United States on July 25, 2023
I like these better than the 5/16 head black ones from a big box store.
I like how these have almost like a washer built on to them.
And when I hung these freezer panels in my shop as insulation these will Pierce the tin on the insulation to save pre drill
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Reviewed in the United States on June 24, 2023
Reviewed in the United States on August 20, 2023
Reviewed in the United States on March 9, 2023

Top reviews from other countries

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shamski77
5.0 out of 5 stars Great alternative to Big Box RSS screws that were costly and sometimes no available in size
Reviewed in Canada on December 22, 2023
Gromit
4.0 out of 5 stars tres bien pour structure de bois extérieur
Reviewed in Canada on November 23, 2023
Kjo
5.0 out of 5 stars Does the job
Reviewed in Canada on September 17, 2023
Larry Verigin
5.0 out of 5 stars Heavy Duty
Reviewed in Canada on January 24, 2024
Shawney McLean
5.0 out of 5 stars Great product
Reviewed in Canada on July 14, 2023