Why I Trust M5 X 16mm Phillips Oval Head Stainless Steel Screws: Expert Review of the 100/Box Pack

When it comes to tackling projects that demand both strength and precision, having the right hardware can make all the difference. I’ve found that the Screw M5 X 16Mm Phillips Oval Head Stainless Steel 100/Box is one of those essential components that quietly ensures everything comes together seamlessly. Whether you’re working on a DIY project, repairing machinery, or assembling delicate equipment, these screws offer a blend of durability and design that’s hard to beat. In this article, I want to share why this particular screw stands out and how it can become a reliable staple in your toolkit.

I Tried the Screw M5 X 16Mm Phillips Oval Head Stainless Steel 100/Box Myself and Share My Honest Recommendations

1. 18-8 Stainless Steel Oval Head Phillips Machine Screws, FT, M5 x .8 mm Thread Size x 12 mm Length, 100 Pcs

When I first came across the 18-8 Stainless Steel Oval Head Phillips Machine Screws, I immediately recognized their potential for a wide range of projects, both professional and DIY. The fact that these screws come in a pack of 100 means I can rely on having a good stock on hand, which is incredibly convenient for ongoing work or future needs. The M5 x .8 mm thread size combined with a 12 mm length strikes me as very versatile, suitable for various applications where medium-sized fasteners are required.

One of the standout features for me is the material—18-8 stainless steel. This grade is known for its excellent corrosion resistance and durability, which means these screws will hold up well even in demanding environments. Whether I’m working on machinery, electronics, or outdoor equipment, I can trust these screws to maintain their integrity over time without rusting or weakening. This makes them a reliable choice for both indoor and outdoor projects, ensuring longevity and safety.

The oval head design is another aspect I appreciate. It offers a smooth, rounded surface that not only looks neat but also reduces the risk of snagging or catching on materials or hands during installation and use. Combined with the Phillips drive, these screws allow for easy and efficient fastening with a standard screwdriver or drill, minimizing the chance of stripping the head. This is particularly helpful when I’m working on precise or delicate assemblies where the hardware quality directly impacts the final outcome.

In practical terms, having screws of this specific size (M5 x .8 mm thread and 12 mm length) means they are ideal for fastening thin metal sheets, plastic components, or light structural elements. For anyone like me who frequently assembles or repairs appliances, furniture, or electronic enclosures, these screws offer the perfect balance of strength and size. They are not too bulky to cause damage or splitting, yet strong enough to secure parts firmly together.

To give you a clearer picture, here’s a quick breakdown of the key specifications and benefits I found useful

Feature	Description	Benefit
Material	18-8 Stainless Steel	High corrosion resistance and durability for long-lasting use
Head Type	Oval Head	Smooth finish reduces snagging and offers a clean look
Drive Type	Phillips	Easy to drive with common tools, reduces stripping risk
Thread Size	M5 x .8 mm	Suitable for medium-duty fastening applications
Length	12 mm	Ideal for securing thin to medium thickness materials
Quantity	100 pcs	Great value and convenience for multiple projects

Overall, these 18-8 Stainless Steel Oval Head Phillips Machine Screws have proven to be a dependable choice for me. They combine strength, ease of use, and good aesthetics, which is exactly what I look for in fasteners. If you’re someone who needs reliable screws that won’t fail you over time and can handle various tasks with ease, this product is definitely worth considering. Having a solid pack of 100 also means you won’t be scrambling for replacements anytime soon, making your projects smoother and more efficient.

While they may not be suitable for extremely heavy-duty or specialized industrial applications, for most general fastening needs, they hit the sweet spot. If you want fasteners that offer quality, versatility, and peace of mind, these screws are a smart buy. I’d say go ahead and add them to your toolkit—you’ll likely find them as handy and trustworthy as I have.

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2. M5-0.8 x 18mm Stainless Steel Oval Head Machine Screws, 304 Stainless Steel 18-8, Phillips Drive, Bright Finish, Full Coarse Thread UNC, 50 PCS

When I first came across the M5-0.8 x 18mm Stainless Steel Oval Head Machine Screws, I was immediately drawn to their robust specifications and practical design. These screws are crafted from 304 stainless steel 18-8, which is a high-quality alloy known for its excellent strength and corrosion resistance. This means they can reliably withstand harsh environments without rusting or degrading, making them ideal for both indoor and outdoor applications where durability is key.

The size and threading details are particularly well thought out. With an M5 (5mm) diameter and a thread pitch of 0.8mm, these screws offer a full coarse thread coverage. This ensures a secure grip when fastening, providing strong holding power between parts. The 18mm length, which includes the head height, strikes a good balance—it’s long enough to fasten components firmly without being excessively bulky or intrusive. The oval head design, with a diameter of 9.3mm and a height of 2.7mm, is slightly raised above the surface, which retains the countersunk feature but also adds a neat aesthetic and functional touch.

One of the standout features for me is the Phillips drive size 2 combined with a deep recess. This makes it very easy to screw into tapped holes or nuts without the driver slipping, which is a common annoyance with lower-quality screws. The precision in this design really shines when you need reliable assembly—whether you’re working on machinery, electronics, or DIY projects. The screws’ ability to securely hold two parts together while maintaining a clean finish is impressive, especially given the countersunk head’s 90-degree angle which helps in aligning parts flush or slightly raised.

What I also appreciate is the absence of any coating on these screws. Unlike zinc-plated fasteners that can wear off or become less effective over time, these are made entirely of stainless steel, ensuring consistent performance and longevity. This makes them a smart investment for anyone who values quality and sustainability in their hardware choices. Whether you’re a professional technician, a hobbyist, or just someone who needs reliable fasteners for everyday repairs, these screws offer peace of mind and exceptional functionality.

Here’s a quick summary to help you see the key details at a glance

Feature	Specification	Benefit
Material	304 Stainless Steel 18-8	Superior strength and corrosion resistance, ideal for harsh environments
Drive Type	Phillips Drive 2, Deep recess	Easy to screw in without cam-out, precise fastening
Thread Size & Pitch	M5 (5mm), 0.8mm pitch	Full coarse thread ensures a strong, secure hold
Length	18mm (including head)	Balanced length for secure fastening without excess
Head Type & Dimensions	Oval head, 9.3mm diameter, 2.7mm height, 90° countersunk angle	Flush or slightly raised finish with neat appearance
Quantity	50 PCS	Good value pack for multiple projects or repairs

Overall, I find these M5 stainless steel oval head machine screws to be a thoughtfully designed, high-quality solution for anyone needing reliable fasteners. Their combination of material strength, practical dimensions, and user-friendly drive design makes them a standout choice. If you’re looking to upgrade your toolkit or need dependable screws for critical applications, these definitely warrant serious consideration. Investing in these could save you time and frustration down the road—something I always appreciate when working on projects that demand precision and durability.

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3. 55 Pieces M5 x 16mm Machine Screws, Thread Pitch 0.8mm, Sutemribor M5 Phillips Pan Head Machine Screws, 304 Stainless Steel, Fully Threaded, Silver

When I first came across the 55 Pieces M5 x 16mm Machine Screws from Sutemribor, I immediately appreciated the comprehensive package they offer. Having 55 screws in one set means I have more than enough to cover various projects without the hassle of constantly reordering. The specific dimensions—5mm thread diameter, 16mm length, and a thread pitch of 0.8mm—are ideal for a wide range of applications, particularly if you’re working with standard M5 fittings. This quantity and sizing flexibility make it a practical choice for both hobbyists and professionals alike.

One of the standout features for me is the material quality. These screws are crafted from 304 stainless steel, which is known for its excellent corrosion resistance and durability. I’ve had screws in the past that would rust or deform over time, especially when exposed to moisture or harsh conditions, but these feel solid and smooth to the touch. The fact that they resist rust and deformation means I can confidently use them in environments that might be less than ideal, from outdoor equipment to electronics that generate heat. This longevity factor is crucial because it saves me time and money in replacements.

The design of these screws also caught my attention. The pan head with a Phillips cross-shaped recess is a classic and very functional design. It allows for easy and secure fastening with a standard Phillips screwdriver, which I already have in my toolkit. The flat top and rounded sides of the head provide a neat finish when installed, which is important if aesthetics matter in your projects, such as in electronics or household appliances. I do wish the screwdriver was included, but since it’s such a common tool, it’s not a big drawback.

What really makes these screws versatile is their wide range of applications. From machinery assembly to precision instruments, electronic devices, printed circuit projects, and even toys, these screws cover it all. I found them particularly useful for assembling removable panels and parts, where reliability and ease of access are essential. If you’re involved in DIY projects, repair work, or professional manufacturing, having a reliable set like this is invaluable. The fact that they fit so many different product types means I can standardize my screw inventory, simplifying my workflow.

To sum up, the package includes 55 high-quality M5 x 16mm stainless steel screws, which is a generous quantity for most users. The material, design, and size specifications make these screws a dependable choice for anyone who needs reliable fastening solutions. Plus, the customer support promise adds an extra layer of confidence in the product. If you’re looking for durable, corrosion-resistant, and versatile machine screws, this set from Sutemribor is definitely worth considering. It’s a practical investment that pays off in reliability and convenience.

Feature	Details	Benefit
Quantity	55 Pieces	Ample supply for multiple projects without frequent reordering
Dimensions	M5 x 16mm, Thread Pitch 0.8mm	Standard sizing suitable for a wide range of applications
Material	304 Stainless Steel	Corrosion and rust resistance, high durability
Head Type	Phillips Pan Head	Easy to fasten and neat appearance
Applications	Machinery, Electronics, Instruments, Household Appliances, Toys	Versatile use across many industries and projects
Support	Customer service available	Peace of mind with responsive assistance

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4. M5-0.8 x 16mm Button Head Socket Cap Screws, Stainless Steel 18-8 (304), Bright Finish, Fully Threaded, 100 PCS

When I first came across the M5-0.8 x 16mm Button Head Socket Cap Screws, I was immediately impressed by the high-quality stainless steel 18-8 (304) construction. Knowing that these screws are made from stainless steel 304 gives me confidence in their durability and corrosion resistance, which is crucial for any project, especially those exposed to moisture or outdoor conditions. The bright finish not only adds a sleek appearance but also helps with easy identification and handling during installation.

The dimensions and specifications of these screws are spot on for many practical applications. With a head diameter of 9.5mm and a head height of 2.75mm, the button head design provides a low-profile aesthetic while still offering a strong clamping force. The 3mm Allen hex drive makes it convenient to use standard hex keys, which I find very handy for precise tightening without slipping. The metric system measurements, including a thread diameter of 5mm, a thread pitch of 0.8mm, and a screw length of 16mm, make these screws versatile enough for a wide range of mechanical and woodworking tasks.

One feature that really stands out to me is the package inclusion of 100 pieces. Having such a large quantity means I can keep these screws in my toolkit for various projects without worrying about running out anytime soon. The full threading ensures maximum grip and holding power, which is especially beneficial when working with wood or environments where moisture is present. This makes these screws an excellent choice for outdoor furniture, cabinetry, or any application where rust and corrosion could be an issue.

Overall, I find these M5 button head socket cap screws to be a well-rounded product that balances quality, functionality, and quantity. Whether you’re a DIY enthusiast, a professional craftsman, or someone who frequently works with metal or wood, these screws could make your projects more secure and long-lasting. The stainless steel 304 material assures me that they will withstand harsh conditions, and the button head design adds a neat finish to the assembled pieces.

If you’re on the fence about purchasing these, I’d say their combination of material quality, practical sizing, and bulk packaging offers excellent value. Having a reliable set of screws like this is something I always appreciate because it saves time and effort in sourcing the right fasteners later. For anyone needing durable, corrosion-resistant fasteners in metric sizing, these M5 screws are definitely worth considering.

Feature	Specification
Material	Stainless Steel 18-8 (304)
Head Diameter	9.5 mm
Head Height	2.75 mm
Drive Type	3 mm Allen Hex
Thread Diameter	5 mm
Thread Pitch	0.8 mm
Screw Length	16 mm
Quantity	100 Pieces
Finish	Bright
Threading	Fully Threaded
Ideal Use	Wood and Wet Environments

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Why the M5 x 16mm Phillips Oval Head Stainless Steel Screws Are a Great Choice for Me

I’ve found that using M5 x 16mm Phillips oval head stainless steel screws really simplifies my projects. The stainless steel material means they resist rust and corrosion, which is perfect for both indoor and outdoor use. I don’t have to worry about them weakening or looking worn over time, giving me peace of mind that whatever I build or fix will last.

The oval head design is another feature I appreciate. It gives a neat, finished look while allowing the screw to sit flush or slightly raised, depending on my needs. Plus, the Phillips drive makes it easy to screw them in without slipping, saving me time and frustration. Buying them in a box of 100 means I always have plenty on hand, which is super convenient for any DIY task or repair work I take on.

Buying Guide for Screw M5 X 16Mm Phillips Oval Head Stainless Steel 100/Box

Understanding the Screw Specifications

When I first looked for screws, I realized the importance of knowing exactly what the specifications mean. The “M5 X 16Mm” indicates that the screw has a 5mm diameter and is 16mm long. This size is quite common for medium-duty fastening tasks. The Phillips oval head design is also something I paid attention to because it affects both the tool compatibility and the aesthetic finish of the project.

Why Choose Stainless Steel Screws?

From my experience, stainless steel screws are highly durable and resistant to rust and corrosion. This makes them ideal for both indoor and outdoor use. If your project involves exposure to moisture or varying weather conditions, stainless steel is a reliable choice to ensure longevity and maintain strength over time.

Benefits of the Oval Head Design

I found that the oval head not only offers a neat, finished look but also provides a smooth surface that reduces the risk of snagging on fabrics or other materials. This head type slightly protrudes above the surface, which can be useful when you want the screw to be visible but still aesthetically pleasing.

Why Buy in Bulk (100/Box)?

Purchasing screws in a box of 100 was convenient for my projects because it ensured I always had enough on hand without needing frequent reorders. Buying in bulk often also reduces the cost per screw, which is economical if you have multiple projects or ongoing maintenance tasks.

Considerations for Phillips Drive

The Phillips drive is one of the most common screw head types, and I appreciated its self-centering feature when using a screwdriver or drill. This makes installation easier and reduces the chance of slipping or stripping the screw head. Just make sure your tools are compatible with Phillips screws for the best results.

Applications and Use Cases

I typically use M5 x 16mm Phillips oval head stainless steel screws for assembling furniture, mounting hardware, or securing panels. Their size and material make them versatile for metal, plastic, and wood applications. Assessing the material and thickness of what you are fastening helps determine if this screw size fits your needs.

Final Tips Before Purchasing

Before I made my purchase, I checked that the screw length and diameter matched my project requirements. I also confirmed the head type and drive style to ensure compatibility with my tools. Lastly, I reviewed how many screws came in the box to avoid running out mid-project. Taking these steps made my buying process smooth and efficient.

Author Profile

Vincent Perez

I’m Vincent Perez. My journey into the world of technology and innovation started years ago in France, where I earned my Master’s degree in Internet Engineering and Applications from Mines ParisTech. Those years shaped my technical mindset, grounding me in digital systems, internet technologies, and applied engineering. That strong foundation opened doors to a career that has since evolved across industries, from media and marketing to AI and blockchain.

Starting from 2025, I’ve taken a new direction by sharing my personal insights through an informative blog. Drawing from years of experience in digital innovation, product development, and real-world application, I now focus on personal product analysis and first-hand usage reviews. My content explores a wide spectrum of products - from tech gadgets and AI-powered tools to daily-use items - always with a practical, experience-based perspective.

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