
14221 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $34.01 | Condition is New, GRK 14221 5/16 in. x 3-1/8 in. Star Drive Washer Head Coated Steel RSS Structur, FREE SHIPPING | 99.8% |
![]() | $27.50 | Condition is New, GRK Fasteners 45ct 5/16" x 3-1/8" RSS Rugged Structural Screws - ESR-2442/#14221, shipping cost = $8.50 | 99.6% |
![]() | $37.78 | Condition is New, GRK RSS 5/16" x 3-1/8" Screws 25-Ct. - 14221, FREE SHIPPING | 99.3% |
![]() | $35.00 | Condition is New, GRK FASTENERS #112221 ESR-2442 RSS 5/16" x 3-1/8"" SCREWS 45CT, shipping cost = $8.00 | 99.7% |
![]() | $47.45 | Condition is New, GRK Fasteners 5/16x3-1/8 Star Round Head W-Cut Structural Screws, FREE SHIPPING | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $11.99 | Condition is New – Open box, 25 GRK Fasteners Steel Washer Head Rugged Structural Screws 5/16 x 3-1/8", shipping cost = $16.45 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $30.00 | Condition is Open box, GRK Rugged Structural Screws 5/16" X 3-1/8" , 25 pk (14221) FS, FREE SHIPPING | 99.7% |



The GRK 14221 Rugged Structural Screw is a high-performance fastening solution designed for heavy-duty applications. This 5/16 inch diameter screw boasts a length of 3-1/8 inches, making it ideal for a wide range of construction projects.
The GRK 14221 is manufactured using advanced materials and engineering techniques. The screw features a thick, corrosion-resistant coating that provides superior protection against rust and corrosion, ensuring its longevity even in harsh environmental conditions. The coating also provides superior resistance to scratching and marring, maintaining the screw's appearance and functionality over time.
Underneath the protective coating, the screw has a thread pattern that ensures a strong and reliable hold. The screw's thread design allows for easy installation, even in difficult materials such as concrete and masonry. The screw's head is designed to provide maximum grip, reducing the risk of stripping or pulling out, even under high loads.
The GRK 14221 Rugged Structural Screw comes in a box of 25, making it a cost-effective solution for large-scale projects. Each screw is individually inspected to ensure quality and consistency, ensuring that you receive only the best products.
In summary, the GRK 14221 Rugged Structural Screw is a reliable and durable fastening solution for heavy-duty applications. Its corrosion-resistant coating, strong thread design, and reliable grip make it an excellent choice for construction projects requiring high-strength fasteners. The box of 25 provides a cost-effective solution for larger projects, making it a versatile and valuable addition to any toolbox.
Pros of buying Grk 14221 Rugged Structural Screws:1. High Strength: These screws are made of high-quality stainless steel, which provides excellent strength and durability. They are designed to withstand harsh environmental conditions, making them ideal for outdoor applications.
2. Corrosion Resistance: The stainless steel material of these screws provides excellent corrosion resistance, ensuring they maintain their integrity even in humid or marine environments.
3. Wide Range of Applications: Grk 14221 screws are suitable for a variety of applications, including construction, marine, and industrial projects.
4. Long Life Span: Due to their high strength and corrosion resistance, these screws have a long life span, reducing the need for frequent replacements.
5. Box Quantity: The 25-box package provides a large quantity of screws, making it a cost-effective option for larger projects.
Cons of buying Grk 14221 Rugged Structural Screws:1. Price: Compared to other types of screws, Grk 14221 screws can be more expensive due to their high-quality materials and features.
2. Limited Availability: These screws may not be readily available in all hardware stores, and special orders may be required.
3. Requires Proper Installation: Proper installation techniques are necessary to ensure the screws function optimally and provide the expected lifespan.
Conclusion:Grk 14221 Rugged Structural Screws offer excellent strength, corrosion resistance, and a wide range of applications. Despite their higher price point, they can provide significant cost savings in the long run due to their durability and longevity. However, their limited availability and the need for proper installation may be drawbacks for some users.
Recommendation:If you are involved in projects requiring high-strength, corrosion-resistant screws that can withstand harsh environments, Grk 14221 Rugged Structural Screws are an excellent choice. Although their higher price may be a concern, the long-term benefits and cost savings they can provide make them a worthwhile investment.
Details:
This structural screw is perfect for home improvement, building, and hardware projects. Made in taiwan, this pack contains 25 screws with a t-30 drive style. Introducing the Grk 14221 rugged structural screw, a high-quality fastener suitable for various applications. The item thickness is 5/16 inches, and it sold in inches.
Get yours now and enjoy the convenience of this top-quality fastener.
specifications yofastener:
- brand: Grk
- mpn: 14221
- wire diameter: 1/8 In
- item thickness: 5/16 In
- item diameter: 5/16
- upc: 772691142214
- item length: 3-1/8
- type: Structural
- gtin: 00772691142214
- system of measurement: Inch
- drive style: T-30
- number in pack: 25
- country/region of manufacture: Taiwan
- head style: Washer Style Head
seller yofastener:
- rating: 100.0%
- city: santa maria, california
- # reviews: 258
offer yofastener:
- options: ship-to-home
- prices: $11.99–$47.45
- item condition:
- New
- New – Open box
- Open box
- availability: in stock
- sold #: 22
- started: december 8, 2024
- in stock #: 5
shipping yofastener:
- type: calculated
- service: usps ground advantage
- transit: 4-8 days
- carrier: usps
- class: standard
payments yofastener:
- other
- credit card: visa
- wallet: google-pay
general yofastener:
- category: Home & Garden > Building Hardware > Nails, Screws > Fasteners
returns yofastener:
- method: money back
- time: 30 days
- paid by: buyer
- policy: returns accepted
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