A2 Stainless Steel Pozi Countersunk Flat Head Machine Screws M3 M3.5 M4 DIN 965 — 3mm to 180mm

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Description

 

A2 Stainless Steel Pozi Countersunk Flat Head Machine Screws M3 M3.5 M4 DIN 965 — 69 Sizes from 3mm to 180mm for Woodworking, Panels & Precision DIY

Protruding screw heads on panels, woodwork, and precision assemblies create snag points, interfere with fit, and look unfinished. These A2 stainless steel Pozi countersunk flat head machine screws to DIN 965 deliver a clean, flush finish: the 90° tapered head sits level with or below the surface, while the Pozi (Pozidriv) drive provides better torque transfer and reduced cam-out compared to standard Phillips — a meaningful advantage in woodworking, cabinetry, and precision assembly where screw head damage is a real concern.

Available in M3, M3.5, and M4 with 69 size combinations from M3×3mm (0.12”) to M4×180mm (7.09”) — all measured including the head per DIN 965. The M3.5 diameter is a standard size in UK and European hardware, commonly used in cabinetry, furniture, and light structural applications. Pack sizes of 5, 10, and 50 pieces let you order exactly what you need.

Typical applications include cabinetry and furniture assembly (M3.5–M4), panel and bracket mounting where a flush surface is required (M3–M4), woodworking and joinery projects, electronics enclosure fastening (M3), and replacement screws for European equipment specifying DIN 965 countersunk fasteners.

🔗 Compatibility: ISO metric thread — M3, M3.5, M4. Pozi (Pozidriv) drive: PZ1 (M3–M3.5) / PZ2 (M4). 90° countersunk head angle per DIN 965 / ISO 7046. Requires a pre-tapped hole or a matching metric nut. Not self-tapping. Standard Phillips drivers also engage these screws.
⚠️ Note: Length is measured including the head (total length per DIN 965). Ensure your material has a properly countersunk hole at 90° for a flush fit. Size format: M[diameter]×[total length]mm (e.g., M4×20 = 4mm diameter, 20mm total length including head). Not all length options are available for every diameter — check the Size selector.

✅ Key Features of These A2 Stainless Pozi Countersunk Machine Screws M3–M4 DIN 965

  • 📐Countersunk Flat Head — DIN 965 / ISO 7046 — 90° tapered head sits flush with or below the surface; eliminates snag points and delivers a clean finish on panels, woodwork, and precision assemblies.
  • 🔧Pozi (Pozidriv) Drive — Second set of grooves at 45° provides better torque transfer and significantly reduces cam-out vs. standard Phillips; compatible with both Pozi and Phillips screwdrivers.
  • 🧄A2 (304) Stainless Steel — Austenitic stainless with excellent corrosion resistance; no rust, no plating to chip or flake — suitable for indoor and light outdoor use.
  • 📐69 Size Combinations — M3, M3.5, and M4 in lengths from 3mm (0.12”) to 180mm (7.09”); covers short panel-mount screws through long through-bolt assemblies in a single listing.
  • 📦Packs of 5, 10, or 50 — Order a small quantity for a repair or stock up with 50 pieces for workshop and production use.
  • DIN 965 Standard — Dimensionally consistent with metric countersunk holes and M-series hardware worldwide; compatible with ISO 7046 specifications.

📐 Technical Specifications — A2 Stainless Pozi Countersunk Flat Head Machine Screws M3–M4 DIN 965

Material A2 Stainless Steel (304 / 18-8)
Finish Natural stainless (no coating)
Thread Standard ISO Metric
Thread Diameters M3, M3.5, M4
Head Style Countersunk Flat Head (90° angle)
Drive Type Pozi (Pozidriv) — PZ1 (M3–M3.5) / PZ2 (M4)
Standard DIN 965 / ISO 7046
Length Range (M3) 3mm (0.12”) to 120mm (4.72”)
Length Range (M3.5) 6mm (0.24”) to 60mm (2.36”)
Length Range (M4) 4mm (0.16”) to 180mm (7.09”)
Length Measurement Including head (total length per DIN 965)
Pack Sizes 5 / 10 / 50 pcs
Screw Type Machine screw (requires tapped hole or nut)
Corrosion Resistance Excellent — suitable for indoor and light outdoor use
Common Applications Cabinetry, furniture, panel mounting, woodworking, electronics enclosures, equipment repair

❓ Frequently Asked Questions

How do I choose the right screw length?

For countersunk screws, length is measured including the head (total length per DIN 965). The screw should sit flush with or just below the surface when fully driven into a properly countersunk hole at 90°. Available lengths: 3mm (0.12”) to 180mm (7.09”) depending on the diameter. When in doubt, size up.

What is the difference between Pozi and Phillips drive?

Pozi (Pozidriv) has a second set of cross-shaped grooves at 45° to the main cross, providing better torque transfer and significantly reduced cam-out compared to standard Phillips. A Pozi driver is recommended for best results, especially in woodworking and cabinetry where screw head damage is a concern. A standard Phillips driver will also engage these screws.

 What does DIN 965 mean?

DIN 965 is the German industrial standard for countersunk flat head machine screws with a Phillips or Pozi drive and a 90° head angle. It is widely used in European and international manufacturing and is dimensionally compatible with ISO 7046. If your application specifies DIN 965 or ISO 7046 countersunk screws, these are a direct match.

What does A2 stainless steel mean?

A2 is the most common grade of austenitic stainless steel, equivalent to 304 or 18-8 stainless. It offers excellent corrosion resistance, is non-magnetic in most conditions, and is the standard material for general-purpose stainless fasteners in woodworking, electronics, and light outdoor use.

Are these screws rust-proof?

A2 stainless steel provides strong corrosion resistance and will not rust under normal indoor conditions or light outdoor exposure. For marine, coastal, or highly corrosive environments, A4 (316) stainless is generally recommended. These screws are well-suited for cabinetry, furniture, and sheltered outdoor applications.

What screwdriver do I need?

A Pozi (Pozidriv) screwdriver is recommended: PZ1 for M3–M3.5, PZ2 for M4. A standard Phillips driver (PH1/PH2) will also engage these screws but with less torque efficiency. Always use a well-fitting driver to avoid cam-out and head damage.

Do these require a tapped hole or nut?

Yes — these are machine screws, not self-tapping. They require a pre-tapped M-series hole or a matching metric nut in the same thread size. They will not cut their own thread into plastic, wood, or metal.

What pack sizes are available?

Available in packs of 5, 10, and 50 pieces. The 50-piece pack offers the best per-unit value for workshops and production use. Select your preferred quantity using the Pack Quantity option above.

🛒 Select your size and pack quantity above, then add to cart — ships from our US warehouse.

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