Phillips Pan Head Machine Screws A2 Stainless Steel M1–M4 × 3–180mm - HomeDIYer
Phillips Pan Head Machine Screws A2 Stainless Steel M1–M4 × 3–180mm - HomeDIYer
Phillips Pan Head Machine Screws A2 Stainless Steel M1–M4 × 3–180mm - HomeDIYer
Phillips Pan Head Machine Screws A2 Stainless Steel M1–M4 × 3–180mm - HomeDIYer
Phillips Pan Head Machine Screws A2 Stainless Steel M1–M4 × 3–180mm - HomeDIYer
Phillips Pan Head Machine Screws A2 Stainless Steel M1–M4 × 3–180mm - HomeDIYer
Phillips Pan Head Machine Screws A2 Stainless Steel M1–M4 × 3–180mm - HomeDIYer
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Phillips Pan Head Machine Screws A2 Stainless Steel M1–M4 × 3–180mm - HomeDIYerPhillips Pan Head Machine Screws A2 Stainless Steel M1–M4 × 3–180mm - HomeDIYerPhillips Pan Head Machine Screws A2 Stainless Steel M1–M4 × 3–180mm - HomeDIYerPhillips Pan Head Machine Screws A2 Stainless Steel M1–M4 × 3–180mm - HomeDIYerPhillips Pan Head Machine Screws A2 Stainless Steel M1–M4 × 3–180mm - HomeDIYerPhillips Pan Head Machine Screws A2 Stainless Steel M1–M4 × 3–180mm - HomeDIYerPhillips Pan Head Machine Screws A2 Stainless Steel M1–M4 × 3–180mm - HomeDIYer

Phillips Pan Head Machine Screws A2 Stainless Steel M1–M4 × 3–180mm

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Price:
$2.84 USD
Stock:
In stock (500 units), ready to be shipped

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Description

 

Phillips Pan Head Machine Screws — A2 Stainless Steel, Metric Precision for Every Build

Whether you're assembling electronics enclosures, fabricating aluminum panels, or building out a DIY project that demands reliable fasteners, finding the right small metric screw in the right quantity can be a real bottleneck. Hobbyists, makers, and small-shop fabricators all know the frustration of ordering a bag of 100 when you only need 5 — or running short mid-project because the pack was too small.

These Phillips pan head machine screws are made from A2 stainless steel (equivalent to 18-8 / 304 grade) and feature a fully threaded shank with a low-profile round pan head. Available in thread diameters from M1.0 through M4, and lengths from 3mm (≈1/8") to 180mm (≈7.1"), with flexible pack sizes ranging from 1 to 200 pieces per order. The pan head design provides a wide bearing surface and a clean, finished appearance.

Typical use cases include PCB and electronics assembly requiring M1–M2 stainless machine screws, aluminum extrusion and enclosure builds using M3–M4 pan head screws, and general DIY fabrication where corrosion-resistant metric fasteners are needed in small to bulk quantities.

🔩 Thread Standard: ISO Metric (M1.0 – M4) — compatible with standard metric nuts, threaded inserts, and ISO-tapped holes. Phillips drive (PH0 for M1–M1.6 / PH1 for M2–M2.5 / PH2 for M3–M4).

✅ Key Features of These Phillips Pan Head Machine Screws

  • 🦀A2 Stainless Steel Construction — Manufactured from A2 (304-equivalent) stainless steel, these metric pan head screws resist rust and oxidation in indoor and light outdoor environments without surface coatings that can flake or wear.
  • 📐Wide Size Matrix: M1 to M4, 3mm to 180mm — One listing covers an extensive range of thread diameters and lengths, making it easy to source the exact stainless machine screw size you need for electronics, fabrication, or general assembly work.
  • 🔘Pan Head Profile for Broad Bearing Surface — The rounded pan head sits flush against the workpiece surface, distributing clamping load evenly. Ideal for thin sheet metal, plastic panels, and PCB mounting where a flat or countersunk head would be inappropriate.
  • ⚙️Fully Threaded Shank — The full-length thread engagement maximizes holding strength in tapped holes and threaded inserts, which is especially important for small-diameter M1–M2 stainless screws where thread engagement depth is limited.
  • 📦Flexible Pack Quantities (1 to 200 pcs) — Order exactly what your project requires. Smaller packs (1, 2, 5, 10 pcs) suit prototyping and repair; bulk packs (100, 200 pcs) reduce per-unit cost for production runs or workshop stock.
  • 🇺🇸Ships from US Warehouse — Stocked and fulfilled domestically, so you avoid the long lead times associated with overseas direct shipping for metric fasteners.

📐 Technical Specifications — Phillips Pan Head Machine Screws

Drive Type Phillips (Cross Recess)
Head Style Pan Head (Round Pan)
Material A2 Stainless Steel (304 / 18-8 equivalent)
Thread Standard ISO Metric Coarse Thread
Thread Diameter Range M1.0, M1.2, M1.4, M1.6, M2, M2.5, M3, M3.5, M4
Length Range 3mm (≈1/8") – 180mm (≈7.1")
Pack Sizes Available 1, 2, 5, 10, 20, 25, 100, 200 pcs
Finish Natural stainless (no coating)
Corrosion Resistance Good — suitable for indoor and light outdoor use
Recommended Driver PH0 (M1–M1.6) / PH1 (M2–M2.5) / PH2 (M3–M4)
Tensile Strength (typical) ~700 MPa (A2-70 class)
Compatible With Metric nuts, threaded inserts, ISO-tapped holes
Country of Fulfillment United States
⚠️ Confirm your thread diameter and length before ordering. M1–M1.6 screws are very small — verify with calipers if unsure. If your application requires specific torque values or load ratings, contact us to confirm suitability.

❓ Frequently Asked Questions

How do I choose the right length for my Phillips pan head machine screw?

As a general rule, the screw length should equal the thickness of all materials being joined plus at least 1–1.5× the thread diameter for engagement into the receiving material. For example, joining two 3mm panels with an M3 screw typically requires a length of 8–10mm (≈5/16–3/8"). Always measure your stack-up before ordering.

What strength can I expect from A2 stainless steel machine screws?

A2 stainless steel (ISO 3506 property class A2-70) generally provides a tensile strength of approximately 700 MPa. This is suitable for most light-to-medium duty fastening applications. For high-load structural applications, consult an engineer.

Are these screws suitable for outdoor or marine use?

A2 stainless steel offers good corrosion resistance in most outdoor environments and is generally suitable for light marine exposure. For highly aggressive saltwater or chemical environments, A4 (316) stainless is typically recommended.

What thread standard do these machine screws use?

These screws follow the ISO metric thread standard (M1 through M4). They are compatible with standard metric nuts, threaded inserts, and tapped holes machined to ISO 68-1 specifications.

What Phillips driver size should I use?

For M1–M1.6 screws, a PH0 driver is typically used. M2–M2.5 generally take a PH1 driver, and M3–M4 typically use a PH2 driver. Using the correct driver size prevents cam-out and head damage, which is especially important on small stainless screws.

Can I use these screws with plastic, aluminum, or PCB assemblies?

Yes. The smaller sizes (M1–M2.5) are commonly used in electronics, PCB standoffs, and plastic enclosures. Larger sizes (M3–M4) work well with aluminum extrusions, sheet metal, and light structural assemblies. Always use a correctly sized tapped hole or nut to avoid stripping.

How do I convert the screw length from mm to inches?

Divide the length in mm by 25.4 to get inches. Common conversions: 3mm ≈ 1/8", 6mm ≈ 1/4", 10mm ≈ 3/8", 16mm ≈ 5/8", 25mm ≈ 1", 50mm ≈ 2", 100mm ≈ 4".

What is the difference between M3 and M3.5 screws — are they interchangeable?

No — M3 and M3.5 are not interchangeable. M3 has a 3mm nominal thread diameter with a 0.5mm pitch, while M3.5 has a 3.5mm diameter with a 0.6mm pitch. Using the wrong size in a tapped hole will damage the threads. Always match the screw to the hole specification.

🛒 Select your thread diameter, length, and quantity above, then add to cart — ships from our US warehouse.

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