Slotted Pan Head Machine Screws – M1.6 to M4, A2 Stainless Steel, Fully Threaded, Lengths 3mm–60mm $6.64 USD

Slotted Pan Head Machine Screws – M1.6 to M4, A2 Stainless Steel, Fully Threaded, Lengths 3mm–60mm

Name: Slotted Pan Head Machine Screws – M1.6 to M4, A2 Stainless Steel, Fully Threaded, Lengths 3mm–60mm
Brand: HomeDIYer
SKU: GYWWWMGBRT23749x10
Price: 6.64 USD
Availability: InStock

$6.64 USD

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🔩 M1.6–M4 Slotted Pan Head Machine Screws – A2 Stainless Steel, Fully Threaded (3mm–60mm Lengths)

You’re restoring a vintage radio, mounting a hinge on a wooden box, or assembling a piece of lab equipment – and you need screws that look classic and won’t rust. These slotted pan head machine screws are made from A2 stainless steel (304), so they resist corrosion indoors and out. The single slot drive works with any flathead screwdriver, giving you full control for delicate work. The pan head sits low with a wide bearing surface – perfect for plastic, sheet metal, or wood. Choose from M1.6, M2, M2.5, M3, or M4 thread diameters, with lengths from 3mm to 60mm (measured under the head). Fully threaded all the way, they give you maximum grip in any material. Keep a selection in your shop for electronics, furniture, model making, and everyday repairs.

✨ Key Features – Slotted Pan Head Machine Screws (A2 Stainless)

🔘 Pan head design – Low profile with a wide bearing surface. Distributes clamping force evenly, ideal for soft materials like plastic and thin metal.
📏
Slotted drive – Classic straight slot works with any flathead screwdriver. Perfect for restoration work and applications where you need precise torque control.
🛡️ A2 stainless steel (304 / 18-8) – Contains 18% chromium and 8% nickel. Excellent corrosion resistance, high strength (tensile 700N/mm²), and heat resistance.
📏 Wide metric range M1.6 to M4 – M1.6, M2, M2.5, M3, M4. Covers everything from micro‑electronics to light machinery.
📐 Lengths from 3mm to 60mm (under head) – Choose exactly what you need. Fully threaded – threads run the entire length under the head.
✨ Clean, burr‑free finish – Electroplated surface is smooth and uniform. No sharp edges or thread burrs.
🌍 Wide application – Household appliances, furniture, aerospace, office equipment, electronics, shipbuilding, model making, and DIY.

📏 Specifications – Slotted Pan Head Machine Screws (DIN 85, A2 Stainless)

Thread Diameter	Available Lengths (mm) *	Thread Pitch (mm)	Typical Applications
M1.6	3, 4, 5, 6, 8, 10, 12, 16, 20	0.35	Micro‑electronics, cameras, precision instruments
M2	3, 4, 5, 6, 8, 10, 12, 16, 20, 25	0.4	PCBs, small brackets, RC models, toys
M2.5	3, 4, 5, 6, 8, 10, 12, 16, 20, 25, 30	0.45	Laptop hinges, small appliances, 3D printers
M3	3, 4, 5, 6, 8, 10, 12, 16, 20, 25, 30, 35, 40, 45, 50, 60	0.5	Electronics enclosures, furniture hinges, DIY projects
M4	4, 5, 6, 8, 10, 12, 16, 20, 25, 30, 35, 40, 45, 50, 60	0.7	Small machinery, automotive trim, light assembly

* Length is measured from the underside of the head to the tip (grip length). All screws are fully threaded. Standard: DIN 85.

📋 Technical Details – A2-70 Stainless Steel (304)

Parameter	Details
Material	A2 Stainless Steel (304 / 18-8) – 18% Cr, 8% Ni
Grade	A2-70 (tensile strength 700 N/mm²)
Standard	DIN 85
Head style	Pan head (low profile, wide bearing surface)
Drive style	Slotted (flathead screwdriver)
Thread type	Metric coarse, fully threaded
Corrosion resistance	Excellent – suitable for indoor, outdoor, marine, and food industry
Magnetic	Almost non‑magnetic (slightly magnetic due to cold working)
Typical applications	Automotive, food equipment, engineering, architecture, model making, DIY

❓ Frequently Asked Questions – Slotted Pan Head Machine Screws

1. Why choose slotted drive over Phillips or hex?

Slotted drives are the original screw drive – simple, easy to clean, and works with any flathead screwdriver. They’re preferred for restoration work (antique furniture, vintage electronics) where authenticity matters, and for situations where you need to control torque precisely without cam‑out. They also don’t collect dirt as easily as cross recesses.

2. How do I measure the length of a pan head screw?

For pan head screws (including DIN 85), the length is measured from the underside of the head (the flat bearing surface) to the tip. The head itself is not included. So an “M3 x 10mm” screw has a 10mm threaded shaft under the head. This is consistent with our listing.

3. Are these screws fully threaded? What about longer lengths?

Yes – all screws in this range (3mm to 60mm) are fully threaded. Threads run the entire length under the head, so you get maximum grip even in shallow holes. No partial threads or unthreaded shanks.

4. Can I use these screws outdoors? Will they rust?

A2 stainless (304) is highly corrosion‑resistant and performs well outdoors, including in coastal environments. It won’t rust like carbon steel. However, for continuous saltwater immersion, A4 (316) stainless is better. For garden furniture, marine hardware, and exterior signs, A2 is perfect.

5. What screwdriver size should I use for these slotted screws?

Use a flathead screwdriver that matches the slot width. For M1.6–M2.5, a 2mm or 2.5mm blade works. For M3–M4, a 3mm or 4mm blade is appropriate. Always choose a driver that fills the slot fully to avoid damaging the head.

6. Do these screws meet DIN 85 standard? What does that mean?

Yes – DIN 85 is the German standard for slotted pan head machine screws. It specifies exact head dimensions, slot depth, and thread tolerances. This ensures consistent quality and interchangeability with other DIN 85 compatible parts.