M4 M5 Phillips Pan Head Machine Screws with Gaskets – A2 Stainless Steel, Corrosion‑Resistant (8–20mm Lengths)

M4 M5 Phillips Pan Head Machine Screws with Gaskets – A2 Stainless Steel, Corrosion‑Resistant (8–20mm Lengths)

Name: M4 M5 Phillips Pan Head Machine Screws with Gaskets – A2 Stainless Steel, Corrosion‑Resistant (8–20mm Lengths)
Brand: HomeDIYer
SKU: GY$$$DLWJ10224x1
Price: 6.79 USD
Availability: OutOfStock

$6.79 USD

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🔩 M4 M5 Phillips Pan Head Machine Screws with Gaskets – A2 Stainless Steel, Corrosion‑Resistant, 8–20mm Lengths

You’re assembling a piece of furniture, mounting an electronic device, or repairing outdoor equipment – and you need a screw that won’t rust, plus a washer to protect the surface and prevent loosening. This set gives you A2 stainless steel pan head Phillips screws with matching flat washers (gaskets) included. The stainless steel construction resists rust in humid and outdoor environments, while the washer distributes clamping force evenly and protects your workpiece. Available in M4 and M5 diameters, with lengths from 8mm to 20mm (under head). Perfect for furniture, carpentry, electronics, and automotive repairs.

✨ Key Features – Screw + Washer Set (A2 Stainless Steel)

🔘 Pan head design – Low profile with a wide bearing surface. No countersinking needed – clean, neat appearance.
🔩
Phillips drive – Standard cross recess works with common screwdrivers. Good torque transfer.
🛡️ A2 stainless steel (304) – High hardness, anti‑corrosion, anti‑rust, durable and wear‑resistant.
🔩 Matching flat washers included – Each screw comes with a stainless steel gasket to protect surfaces and distribute load.
📏 Metric sizes M4 and M5 – Popular diameters for furniture, electronics, and light machinery.
📐 Lengths from 8mm to 20mm (under head) – Fully threaded, deep threads with even pitch for consistent fastening.
🏭 Widely used – Furniture manufacturing, carpentry, electronic equipment, automotive repair, and DIY projects.

📏 Specifications – M4 & M5 Pan Head Screws + Washers

Thread Diameter (M)	Thread Pitch (mm)	Typical Lengths (mm, under head) *	Head Style	Drive	Material
📐 Length measured from underside of head to tip. Fully threaded. Washer included for each screw. Select size from dropdown.
M4	0.7	8, 10, 12, 16, 20	Pan head	Phillips	A2 304 Stainless
M5	0.8	8, 10, 12, 16, 20	Pan head	Phillips	A2 304 Stainless

🛠️ Why Use Screws with Washers?

Benefit	Description
Surface protection	The washer prevents the screw head from marring or scratching the workpiece surface.
Load distribution	Spreads clamping force over a larger area, reducing the risk of pull‑through in soft materials.
Vibration resistance	A flat washer helps maintain tension under light vibration (for heavy vibration, use a lock washer in addition).
Corrosion resistance	Stainless steel screw + washer ensures no galvanic corrosion – perfect for outdoor or humid use.

❓ Frequently Asked Questions – M4 M5 Pan Head Screws with Washers

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

For pan head screws, length is measured from the underside of the head (the flat bearing surface) to the tip. The head itself is NOT included. So an “M4 x 10mm” screw has a 10mm long threaded shaft under the head. All our lengths follow this standard.

2. Are the washers included? What type are they?

Yes – each screw comes with one matching A2 stainless steel flat washer (gasket). The washers have an inner diameter slightly larger than the screw thread, allowing free rotation.

3. Are these screws fully threaded?

Yes – all M4 and M5 screws in this set are fully threaded from under the head to the tip, giving you maximum grip in blind holes or when using nuts.

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

A2 stainless steel (304) is highly corrosion‑resistant and suitable for outdoor use in most environments – rain, humidity, and coastal areas. For continuous saltwater immersion, A4 (316) is better, but for general outdoor furniture, electronics, and automotive repairs, A2 is excellent.

5. What screwdriver do I need for M4 and M5 Phillips screws?

For M4, use a #1 or #2 Phillips. For M5, a #2 Phillips works best. Always use a driver that fits snugly to avoid cam‑out and head damage.

6. Can I buy these screws without washers? Or washers without screws?

This listing is for screw + washer sets. We also sell screws only or washers only in other listings – please check our store.