SKU: 31857754994

Kratos KR3120S 3 Inch Screw Shank Coated Framing Nails 21 Degree Full Round Head Carbon Steel 4000 Count Bulk Box for Professional Construction Use

Sale price$35.55 Regular price$39.50
Save 10%

Pay in installments of $9.88 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 15 - Aug 20

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Kratos KR3120S 3 Inch Screw Shank Coated Framing Nails 21 Degree Full Round Head Carbon Steel 4000 Count Bulk Box for Professional Construction UseSecure Your Structure with High Performance Kratos Screw Shank Framing Nails The Kratos KR3120S 3 Inch Screw Shank Coated Framing Nails are engineered for maximum withdrawal resistance in demanding structural applications. Unlike standard smooth shank nails, the screw threaded geometry of these fasteners provides a superior mechanical bond with wood fibers, significantly reducing the risk of "nail pops" or structural loosening over time. These nails

Secure Your Structure with High-Performance Kratos Screw Shank Framing Nails

The Kratos KR3120S 3 Inch Screw Shank Coated Framing Nails are engineered for maximum withdrawal resistance in demanding structural applications. Unlike standard smooth shank nails, the screw-threaded geometry of these fasteners provides a superior mechanical bond with wood fibers, significantly reducing the risk of "nail pops" or structural loosening over time. These nails are the ideal choice for heavy-duty framing, subflooring, and decking projects where vibration and load stresses require a fastener that refuses to budge.

Designed with the professional contractor in mind, each nail features a high-quality polymer coating that serves a dual purpose: it acts as a lubricant for easier driving and turns into a powerful adhesive once seated. The 21-degree plastic collation is compatible with most major brand framing nailers, ensuring jam-free operation and high-speed productivity on the job site. Whether you are building a new custom home or reinforcing an existing structure, the Kratos KR3120S provides the reliability and professional finish needed to pass inspection with confidence.

Key Features

  • Superior Grip: Screw shank design offers significantly higher holding power and withdrawal resistance compared to smooth shank fasteners.
  • Advanced Coating: Specialized polymer coating eases penetration into dense lumber and increases bonding strength after installation.
  • High Volume: 4,000 count bulk box (4M) provides ample supply for large-scale framing and residential construction projects.
  • Universal Compatibility: Standard 21-degree plastic collation fits a wide variety of pneumatic framing nailers.
  • Structural Integrity: Full round head design ensures maximum surface area contact for heavy-duty load-bearing connections.

What's Included

  • (1) Box of 4,000 Kratos KR3120S 3" Screw Shank Coated Framing Nails

Specifications

Model Number KR3120S
Fastener Length 3 in
Shank Type Screw Shank
Finish Coated
Collation Angle 21 Degree
Collation Type Plastic
Head Style Full Round Head
Package Quantity 4,000 Count (4M)
Material Carbon Steel
Application Framing, Sheathing, Subfloors
Point Type Diamond Point

Pro-Tip: When using screw shank nails in treated lumber, always ensure your pneumatic tool's depth-of-drive is set correctly so the head is flush; over-driving can crush wood fibers and reduce the effective holding power of the screw threads.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 31857754994

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.4 ★★★★★
Based on 23 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
S
Verified Purchase
Susan K Anderson
Draper, US
★★★★★ 5
Men’s mock golf shirt
Color: Lake Green, White, Black, Size: XX-Large
Fit & quality very good.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 4, 2026
G
Verified Purchase
Garfield S
Louisville, US
★★★★★ 5
Nice Fit
Color: Black, White, Light Gray, Size: 3X-Large
I picked this up looking for something simple but clean, and it delivered. The fit is comfortable, the material feels solid, and it looks good without needing much effort. It’s one of those pieces you can throw on and still look put together.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 29, 2026
R
Rob75432
New York, US
★★★★★ 4
Good value, soft and comfortable
Color: Black, Army Green, Light Gray, Size: 4X-Large, Color: Black, Army Green, Light Gray, Size: 4X-Large
Initial thoughts are very positive with this 3 pack shirt set. The green is similar to an OD military green and the black and gray are standard color shades. Material is soft and sizes are true to size. The mock turtleneck isn’t too tight but may still be a little annoying to some people. I do question the amount of spandex in these shirts. Tag says 5% but these shirts are extremely stretchy and feels like a higher spandex content. It’s also a little tough to figure out which way is the front of the shirt. Visually rhe front does have a lower collar line than the back but would still be nice to have a brand tag printed in the back of the shirt for quicker identification. Overall for roughly $12 a shirt these are a good choice for everyday wear. I will update rating if these shirts fail to meet expectations after further use.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2025
E
Verified Purchase
Eliot
Fort Morgan, US
★★★★★ 5
👍🏻
Color: Black, Army Green, Light Gray, Size: 5X-Large
Weirdly thick material, I wasn’t a fan but it’s a good sleep shirt
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
D
Verified Purchase
Dr. DeeJaye
Alexandria, US
★★★★★ 5
Just what I wanted.
Color: Black, Navy Blue, Wine Red, Size: 5X-Large
These may have just become my standard shirt to wear. Feels good whether tucked or out. Drapes well and fits well. So far, I can see it adjust to the different undershirt I may wear. Will probably order another set in other colors and a back up set of the basics because they will get worn a lot.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 17, 2025

recommand products