M1.7 M2 M2.3 M2.6 M3 M3.5 M4 M5 M6 Socket Head Self‑Tapping Screws – Alloy Steel, Nickel or Black Zinc

No reviews

Price:
Sale price$8.68 USD
Stock:
In stock (500 units), ready to be shipped

Payment & Security

Ach Direct Debit Amazon American Express Apple Pay Bancontact Diners Club Discover Google Pay iDEAL Wero Mastercard PayPal Shop Pay USDC Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Quantity Discount Promotion
🎯 BULK DISCOUNT: Buy More, Save More!
Buy 2 Items
5% OFF
Buy 4 Items
10% OFF
Buy 6 Items
15% OFF
Expert

DIY Expert Support

Get fitment advice & recommendations

Mon-Fri, 8:30AM-8PM
24-Hour Fast Ship
🚚
Arrives in 3-14 days
🌍
Global Reach
↩️
30-Day Returns
🌱 1 tree planted with every purchase

Description

🔩 Socket Head Self‑Tapping Screws – Alloy Steel (M1.7–M6) Nickel / Black Zinc

Upgrade from standard Phillips drives and get serious torque without cam‑out. These internal hex socket head self‑tapping screws are precision‑machined from heat‑treated alloy steel, grade‑8 rated for high tensile strength and lasting durability. Choose between bright nickel plating for a clean, reflective finish with excellent indoor corrosion resistance, or black zinc for a sleek, dark look that disappears into electronic enclosures, machinery panels, and automotive trim. The deep hex socket allows more tightening force than any pan‑head, and the sharp self‑tapping thread cuts its own path straight into sheet metal, wood, plastic, and composites — no pilot hole, no tap, no separate nut. Covering the complete practical range from M1.7 up to M6 with all head dimensions and hex key sizes clearly specified, this series gives you a high‑strength, professional‑grade fastening solution for precision equipment, electronic chassis, furniture assembly, and general light‑industrial repair.

⚙️ Key Features – Alloy Steel Socket Head Self‑Tapping Screws

  • Grade‑8 alloy steel construction – heat‑treated for superior strength, hardness, and wear resistance
  • Internal hex drive (Allen) accepts stronger tightening torque with zero cam‑out, ideal for confined spaces
  • Surface treatment options: Nickel plated for bright corrosion protection, or Black Zinc for a matte, low‑profile look
  • Self‑tapping thread cuts cleanly into sheet metal, wood, plastic, and composites – no pre‑drilling required in most cases
  • Full metric micro‑range: M1.7, M2, M2.3, M2.6, M3, M3.5, M4, M5, M6 – exact sizes for electronics to structural brackets
  • Precision‑rolled, burr‑free threads deliver consistent holding power and easy starting every time
  • Ideal for machinery covers, electronic enclosures, automotive interior, furniture, and general metal‑to‑metal assembly

📋 Technical Specifications – Socket Head Self‑Tapping Screws

Size Head Diameter (dk) Head Thickness (k) Hex Key Size (s) Available Lengths (mm)* Head Style Drive Material & Finish Options
M1.7 3.30–3.25 mm 1.60–1.50 mm 1.5 mm 4, 5, 6, 8, 10 Socket Cap Hex (Allen) Alloy Steel, Nickel / Black Zinc
M2 3.98–3.62 mm 2.00–1.86 mm 1.5 mm 4, 5, 6, 8, 10, 12 Socket Cap Hex (Allen) Alloy Steel, Nickel / Black Zinc
M2.3 3.95–3.86 mm 2.20–2.10 mm 2.0 mm 5, 6, 8, 10, 12 Socket Cap Hex (Allen) Alloy Steel, Nickel / Black Zinc
M2.6 4.68–4.32 mm 2.50–2.36 mm 2.0 mm 5, 6, 8, 10, 12, 14, 16 Socket Cap Hex (Allen) Alloy Steel, Nickel / Black Zinc
M3 5.68–5.32 mm 3.00–2.86 mm 2.5 mm 6, 8, 10, 12, 16, 20, 25, 30 Socket Cap Hex (Allen) Alloy Steel, Nickel / Black Zinc
M3.5 6.22–6.32 mm 3.50–3.36 mm 2.5 mm 8, 10, 12, 16, 20, 25, 30 Socket Cap Hex (Allen) Alloy Steel, Nickel / Black Zinc
M4 7.22–6.78 mm 4.00–3.82 mm 3.0 mm 8, 10, 12, 16, 20, 25, 30, 35, 40, 50 Socket Cap Hex (Allen) Alloy Steel, Nickel / Black Zinc
M5 8.72–8.28 mm 5.00–4.82 mm 4.0 mm 10, 12, 16, 20, 25, 30, 35, 40, 50 Socket Cap Hex (Allen) Alloy Steel, Nickel / Black Zinc
M6 10.22–9.78 mm 6.00–5.70 mm 5.0 mm 16, 20, 25, 30, 35, 40, 50, 60 Socket Cap Hex (Allen) Alloy Steel, Nickel / Black Zinc

* Lengths are thread length only (measured from under the head). Head diameter and thickness are given as min–max tolerance ranges per the manufacturer’s drawing. Hex key sizes shown are standard metric.

❓ Frequently Asked Questions – Socket Head Self‑Tapping Screws

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

In thin‑gauge sheet metal (up to about 1.5 mm), you can often drive them straight in. For thicker or harder materials, a pilot hole approximately 80% of the thread diameter will make driving easier and preserve the thread life.

🔸 Why use a socket head instead of a Phillips head?

Socket head screws accept an Allen key, giving you a direct, positive engagement that won’t cam out. You can apply significantly more tightening torque, which is critical in confined spaces or when mounting rigid metal brackets. The deep hex socket also stays secure even after repeated use.

🔸 Is black zinc as durable as nickel plating?

Yes, both provide good corrosion resistance for indoor and light outdoor use. The choice is primarily aesthetic: nickel gives a brighter, silvery finish, while black zinc blends into dark‑colored components and reduces glare. For harsh wet environments, stainless steel would be the next step up.

🔸 What Allen wrench sizes do I need for the entire set?

You’ll need a standard metric hex key set: 1.5 mm (M1.7, M2), 2 mm (M2.3, M2.6), 2.5 mm (M3, M3.5), 3 mm (M4), 4 mm (M5), and 5 mm (M6). Most complete sets will have all these sizes.

You may also like

Recently viewed