M3 M3.5 M4 M5 M6 Pan Head Self Tapping Screws – 304 Stainless Steel $1.56 USD

M3 M3.5 M4 M5 M6 Pan Head Self Tapping Screws – 304 Stainless Steel

Name: M3 M3.5 M4 M5 M6 Pan Head Self Tapping Screws – 304 Stainless Steel
Brand: HomeDIYer
SKU: GYWXWMGBRT06622x10
Price: 1.56 USD
Availability: InStock

$1.56 USD

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🔩 Pan Head Self‑Tapping Screws – 304 Stainless Steel (M3–M6)

Drive them tight without the worry of stripping or rust — these A2 / 304 stainless steel pan head self‑tapping screws are built to last. The sharp, hardened thread bites cleanly into sheet metal, wood, plastic, and composite panels, tapping its own tight mate as you drive. No pre‑tap, no pilot hole in most thin materials. The pan head sits flush with a clean, rounded profile that looks professional and won’t catch, while the deep Phillips recess gives your driver a sure, cam‑out‑resistant grip. Because it’s solid 304 stainless, the corrosion resistance goes all the way through — no coating to wear thin — so these screws keep their strength in damp bathrooms, steamy kitchens, outdoor railings, and mild chemical environments. With five of the most‑requested metric diameters (M3, M3.5, M4, M5, M6) and a range of lengths, this series is ready for everything from electronics enclosures to structural brackets.

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

304 stainless steel provides rust‑proof, long‑term corrosion resistance for indoor, outdoor, and damp environments
Sharp self‑tapping thread penetrates sheet metal, wood, plastic, and wall materials without a pilot hole in most applications
Phillips pan head offers a clean, flush appearance and resists cam‑out with a properly fitted bit
Available in five common metric sizes: M3, M3.5, M4, M5, M6 – covers everything from light fixtures to structural fastening
High‑strength stainless construction – won’t easily strip under torque, even when driven into tough materials
Non‑magnetic and work‑hardening – safe for electronics and stays tight under vibration
Ideal for bathrooms, kitchens, outdoor guardrails, public facilities, and any place where moisture or mild chemicals are present

📋 Technical Specifications – Pan Head Self‑Tapping Screws 304

Size	Thread Diameter	Available Lengths (mm)*	Head Style	Drive	Material
M3	3.0 mm	Various – see listing	Pan Head	Phillips	A2 304 Stainless Steel
M3.5	3.5 mm	Various – see listing	Pan Head	Phillips	A2 304 Stainless Steel
M4	4.0 mm	Various – see listing	Pan Head	Phillips	A2 304 Stainless Steel
M5	5.0 mm	Various – see listing	Pan Head	Phillips	A2 304 Stainless Steel
M6	6.0 mm	Various – see listing	Pan Head	Phillips	A2 304 Stainless Steel

* Length options vary per size. Select your exact diameter and length from the listing variations. Natural stainless finish – no coating to peel or wear.

❓ Frequently Asked Questions – 304 Self‑Tapping Pan Head Screws

🔸 Do I need to pre‑drill a hole before driving these?

In thin sheet metal (up to about 1.5 mm), soft plastics, and wood, you can often drive them directly. For thicker steel or dense hardwood, a small pilot hole about 80% of the thread diameter will make driving easier and give you the cleanest thread engagement.

🔸 Can these be used in bathrooms and kitchens without rusting?

Yes. 304 stainless is highly resistant to humidity, steam, and mild cleaning chemicals. It’s the standard for bathroom fixtures, kitchen hardware, and outdoor railings. It won’t develop red rust like carbon steel even in consistently damp conditions.

🔸 Which Phillips bit size do I need for each diameter?

M3 and M3.5 typically use a #1 Phillips bit. M4, M5, and M6 use a #2 Phillips bit. Using a sharp, correctly sized bit prevents cam‑out and keeps the screw head in good condition.

🔸 Will these screws strip easily?

No. The 304 stainless is hardened and the threads are precision‑cut. The Phillips recess is deep and clean. When paired with a good‑fitting bit, they drive smoothly without stripping, even in harder materials like dense wood and mild steel.