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5/16-18 x 2 (10 Pack) Phillips Flat Head Machine Screws, Stainless Steel 304 (18-8), UNC Coarse Thread, Countersunk Head Machine Screws, Phillips Drive #4
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5/16-18 x 2 (10 Pack) Phillips Flat Head Machine Screws, Stainless Steel 304 (18-8), UNC Coarse Thread, Countersunk Head Machine Screws, Phillips Drive #4
Made of the finest 100% 304 （18-8） stainless steel, designed for insertion through close tolerance, great strength and good corrosion resistance to make fasteners last!
5/16-18 x 2" (10 Pack) Phillips Flat Head Machine Screws, Stainless Steel 304 (18-8), UNC Coarse Thread, Countersunk Head Machine Screws, Phillips Drive #4
Item #: 34449588

5/16-18 x 2" (10 Pack) Phillips Flat Head Machine Screws, Stainless Steel 304 (18-8), UNC Coarse Thread, Countersunk Head Machine Screws, Phillips

Item #: 34449588

XCD 44

Price Details

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*All items will import from US

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Made of the finest 100% 304 （18-8） stainless steel, designed for insertion through close tolerance, great strength and good corrosion resistance to make fasteners last!
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What Stands Out

Durable Material
Constructed from high-quality stainless steel 304, these screws ensure long-lasting performance and resistance to corrosion, making them ideal for various indoor and outdoor applications.
Versatile Usage
These Phillips flat head machine screws accommodate a wide range of projects, from woodworking to metalworking, offering flexibility in assembling different materials with ease.
Convenient Pack Size
With a bulk pack of 100 screws, this product provides excellent value, ensuring you have enough supply for extensive projects without the hassle of frequent reordering.

Product Details

Find the best deals on UNC #8-32 Machine Screws - 100 Pack made with Stainless Steel 304 18-8. Shop now at Ubuy Saint Kitts and Nevis for top-quality stainless flat head machine screws with Phillips Drive and Full Thread.

Who Should Buy?

Suitable For
  • DIY Enthusiasts

    Ideal for personal projects needing durable and corrosion-resistant screws for various applications.

  • Professional Mechanics

    Perfect for automotive and machinery repairs requiring reliable fastening with stainless steel durability.

  • Construction Workers

    Useful for linking parts in construction, providing strength and resistance to rust in outdoor conditions.

Not Suitable For
  • Heavy Loads

    Not suitable for high-load applications where stronger fasteners would provide necessary support and safety.

Product Description

5/16-18 x 2" (10 Pack) Phillips Flat Head Machine Screws, Stainless Steel 304 (18-8), UNC Coarse Thread, Countersunk Head Machine Screws, Phillips Drive #4

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What materials are the 14-20 x 1 Phillips Flat Head Machine Screws made from?

    Answer: The 14-20 x 1 Phillips Flat Head Machine Screws are made from stainless steel 304, which provides excellent corrosion resistance and durability. Stainless steel 304 is known for its strength and ability to resist rusting, making these screws ideal for both indoor and outdoor applications. They can be used in settings such as marine environments, exposed outdoor structures, or any project where moisture might be a concern.
  • Question: What does UNC coarse thread mean in the context of these screws?

    Answer: UNC stands for Unified National Coarse, which refers to the threading standard commonly used in the United States. Coarse threads, like those found on the 14-20 x 1 screws, have a larger pitch compared to fine threads, allowing for faster assembly and better grip in many materials. This thread style is perfect for applications in wood and some plastics, where quick installation and secure fastening are needed.
  • Question: What does the number #3 Phillips drive indicate?

    Answer: The #3 Phillips drive on these machine screws indicates the size of the screwdriver required for installation. A #3 Phillips screwdriver has a larger tip, designed for use with screws that have a wider head. This specific drive offers a secure fit during installation, reducing the risk of stripping and providing adequate torque for tightening and loosening without slippage in construction or maintenance projects.
  • Question: In what types of projects should I use these machine screws?

    Answer: These 14-20 x 1 flat head machine screws are perfect for various projects, including furniture assembly, cabinetry, and mechanical repairs. Their countersunk head design allows them to sit flush with the surface, ensuring a professional finish. They are particularly useful in projects where aesthetics matter, such as building custom woodwork or installing hardware on visible surfaces, ensuring a clean look without exposed screw heads.
  • Question: Are these screws suitable for outdoor use?

    Answer: Yes, these screws are made from stainless steel 304, which makes them suitable for outdoor use. Their corrosion-resistant properties ensure they can withstand exposure to elements such as moisture and UV rays without compromising their integrity. This feature is particularly beneficial for decking, fencing, or any outdoor structures that require durable fastening solutions.
  • Question: How can I determine the correct size screw for my project?

    Answer: To determine the correct size screw for your project, start by assessing the materials you're working with. Measure the thickness of the items you are fastening together to ensure that the screw length, such as 1 inch in this case, is appropriate for your needs. It's also essential to consider the screw's diameter, which for the 14-20 size means a suitable match for the hole diameter you plan to use.
  • Question: What is the importance of the countersunk head design?

    Answer: The countersunk head design allows screws to be recessed into the surface of the material, providing a flush finish that enhances aesthetics and safety. This design minimizes the risk of snagging and protects the screw from environmental damage. Use these screws in applications like cabinetry or wall fixtures, where a smooth surface is desired, ensuring a polished look in your finished project.
  • Question: Can I use these screws with various materials?

    Answer: Yes, these 14-20 x 1 Phillips flat head machine screws can be used with a range of materials including wood, metal, and plastic. Their coarse threads work well for gripping into softer materials like wood, and the stainless steel construction means they can also be used effectively with metal components. This versatility makes them ideal for various applications such as furniture construction, machinery, and automotive repairs.
  • Question: How many screws come in a pack?

    Answer: Each pack contains 30 pieces of the 14-20 x 1 Phillips Flat Head Machine Screws. This quantity is perfect for moderate to large projects, allowing for multiple fastening points without the need for constant repurchasing. It provides a handy supply for repairs, DIY projects, or professional work, ensuring you have enough screws on hand for your specific needs.
  • Question: Where can I buy 14-20 x 1 30 Pack Phillips Flat Head Machine Screws?

    Answer: You can purchase the 14-20 x 1 30 Pack Phillips Flat Head Machine Screws from Ubuy in Saint Kitts and Nevis. Ubuy offers a wide selection of screws and fasteners, making it a convenient choice for your home improvement or repair projects. With their efficient service and user-friendly platform, you'll find the exact screws you need to complete your tasks.

RoyceMart Machine Screws Editorial Review

The UNC #8-32 x 34 100 Pack Stainless Flat Head Machine Screws are a great choice for those in need of sturdy stainless steel screws. They are made of a high-quality 304 18-8 steel that is strong and durable, making them perfect for a variety of projects. The Phillips Drive makes them easy to install and the full thread ensures a secure hold. Customer Experience: Overall, customers are pleased with the UNC #8-32 x 34 100 Pack Stainless Flat Head Machine Screws. They are sturdy enough to hold projects together, making them a reliable choice. Customers have also noted that they are a good value for the price and arrived quickly. However, one customer has reported that the head of the screw stripped a bit when tightening, which could be a potential issue for some users.

Customer Reviews & Ratings

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Pros

  • Sturdy
  • Made of high-quality stainless steel
  • Easy to install with Phillips Drive
  • Full thread ensures a secure hold
  • Good value for the price
  • Quick delivery

Cons

  • Head of the screw may strip when tightening

Platform Trust & Buyer Confidence

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4.2/5 9250 + reviews
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Mohammad
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
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Order now and get it around Thursday, August 27

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Fastest cross-border delivery

Features & Benefits

  • Made of the finest 100% 304 （18-8） stainless steel
  • Great strength and good corrosion resistance
  • Designed for insertion through close tolerance
  • Ideal for machinery industry, classified instruments, electronic products, household appliances and more
  • Comes in a package of 30 PCS for convenient use
  • Undergoes three levels of quality testing and quantity checking

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