A2 Stainless Steel Phillips Pan Head Machine Screws with Flat & Spring Washers — M2 to M10 - HomeDIYer

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A2 Stainless Steel Phillips Pan Head Machine Screws with Flat & Spring Washers — M2 to M10

Name: A2 Stainless Steel Phillips Pan Head Machine Screws with Flat & Spring Washers — M2 to M10
Brand: HomeDIYer
Price: 13.94 USD
Availability: InStock

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Size: M2 x 4mm

Pack Quantity: 50 Pcs

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$13.94 USD

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In stock (500 units), ready to be shipped

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A2 Stainless Steel Phillips Pan Head Machine Screws — Reliable Fastening with Built-In Washer Protection

Whether you're assembling electronics enclosures, securing aluminum panels, or building out a DIY project that needs to hold up over time, finding the right metric machine screw in the right size shouldn't be a scavenger hunt. Stripped heads, missing washers, and mismatched thread standards slow down every build — these A2 stainless steel Phillips pan head machine screws are stocked in a wide size range so you can grab exactly what you need and get back to work.

Each pack includes Phillips pan head machine screws paired with matching flat washers and spring (lock) washers. The screws are made from A2 stainless steel (304 grade) and are available in sizes M2 through M10, with lengths ranging from 4mm (≈5/32") to 50mm (≈2"). Pack quantities vary by size — from 50-piece packs for smaller fasteners up to single-piece options for larger sizes — so you only buy what you need.

These metric machine screws are a go-to for electronics assembly, PC case builds, appliance repair, furniture hardware, and light fabrication work. The pan head profile works well against flat surfaces without requiring a countersink, and the included spring washer helps prevent loosening in vibration-prone assemblies — a common need in HVAC brackets, motor mounts, and equipment panels.

🔩 Compatibility: ISO metric thread standard — fits standard metric nuts, threaded inserts, and tapped holes (M2–M10). Not compatible with UNC/UNF inch-standard threads. Confirm thread pitch with your application before ordering.

✅ Key Features of These A2 Stainless Steel Phillips Pan Head Machine Screws

🦀A2 Stainless Steel Construction — Made from 304-grade stainless steel, these metric machine screws resist rust and oxidation in indoor and light outdoor environments, outperforming standard zinc-plated carbon steel fasteners in humid or damp conditions.
🔘Pan Head Profile — The low-profile, flat-bottomed pan head sits flush against the work surface without requiring a countersink, making it ideal for sheet metal, plastic enclosures, and electronics panels where a clean, low-clearance fastening is needed.
🌀Spring Washer Included — Each set includes a spring (lock) washer that bites into the mating surface under torque, helping prevent screw loosening in vibration-prone assemblies such as motor mounts, equipment brackets, and appliance panels.
⚖️Flat Washer for Load Distribution — The included flat washer spreads clamping force across a wider area, protecting softer materials like aluminum, plastic, and wood composites from surface damage and deformation under the screw head.
📐Wide Size Range — M2 to M10 — Available in eight diameter options (M2, M2.5, M3, M4, M5, M6, M8, M10) and lengths from 4mm to 50mm, covering the most common metric fastener sizes used in DIY, electronics, and light fabrication projects.
✚Phillips Drive for Fast Installation — The cross-head Phillips drive is compatible with standard PH0–PH3 screwdriver bits and power drivers, allowing quick installation in tight spaces where a hex key or Torx bit may not fit.

📐 Technical Specifications — A2 Stainless Steel Pan Head Machine Screws

Material	A2 Stainless Steel (304 Grade)
Drive Type	Phillips (Cross Head)
Head Style	Pan Head
Thread Standard	ISO Metric (M2, M2.5, M3, M4, M5, M6, M8, M10)
Available Lengths	4mm (≈5/32") to 50mm (≈2") — see variant options
Included Hardware	Machine screw + flat washer + spring (lock) washer
Pack Quantity	1, 2, 5, 10, 20, or 50 pcs — varies by size
Finish	Natural stainless (uncoated)
Corrosion Resistance	Suitable for indoor and light outdoor use
Phillips Bit Size	PH0–PH1 (M2–M3), PH2 (M4–M6), PH3 (M8–M10) — typically
Compatible Fasteners	Standard ISO metric nuts and threaded inserts
Country of Origin	See variant options

⚠️ Size Note: Thread pitch is standard ISO metric coarse pitch for each diameter. If your application requires fine-pitch threads, please contact us to confirm before ordering.

❓ Frequently Asked Questions

How do I choose the right screw length for my project?

A general rule is that the screw should penetrate the base material by at least 1.5× the screw diameter. For example, an M4 screw (4mm diameter) should typically grip at least 6mm into the base material. Subtract the thickness of the parts being joined from the total screw length to estimate grip depth. Available lengths in this listing range from 4mm (≈5/32") to 50mm (≈2").

What grade is the stainless steel used in these screws?

These screws are made from A2 stainless steel, also commonly known as 304 stainless steel. A2 grade generally offers good corrosion resistance for indoor and light outdoor applications and is widely used in electronics, appliances, furniture hardware, and general fabrication.

Can these screws be used outdoors or in wet environments?

A2 stainless steel is generally suitable for light outdoor use and humid environments, resisting rust and oxidation better than standard carbon steel. However, for marine environments or highly corrosive chemical exposure, A4 (316) stainless steel is typically recommended. Contact us to confirm suitability for your specific application.

What thread standard do these machine screws use — are they compatible with standard nuts?

These are ISO metric machine screws with standard coarse-pitch threads (M2 through M10). They are compatible with standard metric nuts, threaded inserts, and tapped holes of the corresponding size. They are not compatible with UNC or UNF inch-standard threads used in some American hardware.

What is included in each pack — just the screws, or washers too?

Each pack includes the Phillips pan head machine screws along with matching flat washers and spring (lock) washers. The spring washer helps prevent loosening under vibration, while the flat washer distributes clamping load and protects the mating surface from damage under the screw head.

Which Phillips bit size do I need to drive these screws?

For M2–M3 screws, a PH0 or PH1 bit is typically appropriate. For M4–M6, a PH2 bit is generally the right fit. For M8–M10, a PH3 bit may be needed. Always use a well-fitting bit to avoid cam-out and head damage, especially on smaller sizes.

Are these screws suitable for electronics enclosures, PC cases, or aluminum panels?

Yes. The smaller sizes (M2–M4) are commonly used in electronics enclosures, PC cases, and thin aluminum sheet metal. The pan head profile sits flat against the surface without requiring a countersink, making it well-suited for plastic housings, server rack components, and light structural assemblies where a low-profile fastener is needed.

🛒 Select your size and pack quantity above, then add to cart — ships from our US warehouse.

A2 Stainless Steel Phillips Pan Head Machine Screws with Flat & Spring Washers — M2 to M10

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A2 Stainless Steel Phillips Pan Head Machine Screws — Reliable Fastening with Built-In Washer Protection

✅ Key Features of These A2 Stainless Steel Phillips Pan Head Machine Screws

📐 Technical Specifications — A2 Stainless Steel Pan Head Machine Screws

❓ Frequently Asked Questions

A2 Stainless Steel Phillips Pan Head Machine Screws with Flat & Spring Washers — M2 to M10

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