M5 M6 M8 Pan Head Self Tapping Screws – 304 Stainless Steel $3.11 USD

M5 M6 M8 Pan Head Self Tapping Screws – 304 Stainless Steel

Name: M5 M6 M8 Pan Head Self Tapping Screws – 304 Stainless Steel
Brand: HomeDIYer
SKU: TES0928x10
Price: 3.11 USD
Availability: InStock

$3.11 USD

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🔩 Pan Head Self‑Tapping Screws – 304 Stainless Steel (M5 / M6 / M8)

When you need a self‑tapping screw with real structural strength and corrosion resistance, these A2 / 304 stainless steel pan head screws deliver. Designed for medium‑duty metal‑to‑metal and metal‑to‑wood connections, the coarse self‑tapping thread cuts its own clean path into sheet metal, steel framing, hard plastics, and dense wood — no pre‑tap, no pilot hole in most materials up to 2 mm. The Phillips pan head gives a flush, professional finish and provides a confident drive with a standard bit, while the natural stainless surface won’t chip, peel, or red‑rust in wet, humid, or outdoor environments. Covering the three most requested larger diameters — M5, M6, and M8 — this series is built for HVAC brackets, automotive repair, outdoor equipment, structural framing connections, and general heavy‑duty shop work.

⚙️ Key Features – 304 Stainless Pan Head Self‑Tapping Screws

A2 / 304 stainless steel provides permanent corrosion resistance — won’t red‑rust in wet, outdoor, or humid conditions
Self‑tapping coarse thread cuts into sheet metal, steel framing, wood, and plastic — eliminates separate tapping or nuts
Phillips pan head sits flush and offers stable, cam‑out‑resistant driving with common bits
Available in M5, M6, and M8 diameters — the most popular medium‑duty metric sizes for structural and mechanical fastening
Natural stainless finish — no coating to wear thin, the corrosion protection is built into the metal
Non‑magnetic and work‑hardening — safe for electronics and sensitive installations
Ideal for HVAC, automotive brackets, outdoor equipment, steel framing, and general fabrication

📋 Technical Specifications – Pan Head Self‑Tapping Screws 304

Size	Thread Diameter	Typical Lengths (mm)*	Head Style	Drive	Material
M5	5.0 mm	10, 12, 16, 20, 25, 30, 40, 50	Pan Head	Phillips	304 Stainless Steel
M6	6.0 mm	12, 16, 20, 25, 30, 40, 50, 60	Pan Head	Phillips	304 Stainless Steel
M8	8.0 mm	16, 20, 25, 30, 40, 50, 60, 80	Pan Head	Phillips	304 Stainless Steel

* Lengths are thread length only (not including head). GB/T845 equivalent dimensional standards. Choose your exact size and length from the product options.

❓ Frequently Asked Questions – 304 Stainless Self‑Tapping Screws

🔸 Can I drive these directly into thick steel without a pilot hole?

For steel up to about 1.5–2 mm, you can often drive them directly. For thicker structural steel or very hard materials, we recommend a pilot hole roughly 80% of the thread diameter. This keeps the thread sharp and reduces the driving torque.

🔸 Will these hold up outdoors year‑round?

Yes. 304 stainless is the standard choice for outdoor and humid environments. It won’t develop red rust like plated carbon steel. For submerged saltwater or constant chemical exposure, 316 is preferred, but for rain, sun, and general shop use, 304 lasts for years.

🔸 Which Phillips bit fits M5, M6, and M8 screws?

M5 and M6 typically use a #2 Phillips bit. M8 screws usually require a #3 bit. Always use a sharp, correctly fitting bit to avoid cam‑out and preserve the drive recess.

🔸 Are the lengths shown including the head?

No. All listed lengths are the thread length only, measured from directly under the pan head to the tip. This makes it simple to match the screw to how much material you’re going through.