M2 M2.6 PB Round Head Socket Cap Self Tapping Screws – Grade 8.8 Carbon Steel, Black
M2 M2.6 PB Round Head Socket Cap Self Tapping Screws – Grade 8.8 Carbon Steel, Black
M2 M2.6 PB Round Head Socket Cap Self Tapping Screws – Grade 8.8 Carbon Steel, Black
M2 M2.6 PB Round Head Socket Cap Self Tapping Screws – Grade 8.8 Carbon Steel, Black
M2 M2.6 PB Round Head Socket Cap Self Tapping Screws – Grade 8.8 Carbon Steel, Black
M2 M2.6 PB Round Head Socket Cap Self Tapping Screws – Grade 8.8 Carbon Steel, Black
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M2 M2.6 PB Round Head Socket Cap Self Tapping Screws – Grade 8.8 Carbon Steel, BlackM2 M2.6 PB Round Head Socket Cap Self Tapping Screws – Grade 8.8 Carbon Steel, BlackM2 M2.6 PB Round Head Socket Cap Self Tapping Screws – Grade 8.8 Carbon Steel, BlackM2 M2.6 PB Round Head Socket Cap Self Tapping Screws – Grade 8.8 Carbon Steel, BlackM2 M2.6 PB Round Head Socket Cap Self Tapping Screws – Grade 8.8 Carbon Steel, BlackM2 M2.6 PB Round Head Socket Cap Self Tapping Screws – Grade 8.8 Carbon Steel, Black

M2 M2.6 PB Round Head Socket Cap Self Tapping Screws – Grade 8.8 Carbon Steel, Black

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$6.80 USD
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In stock (500 units), ready to be shipped

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Description

🔩 PB Round Head Socket Cap Self‑Tapping Screws – Grade 8.8 Carbon Steel (M2 & M2.6)

Tap strong, precise threads with zero cam‑out using these PB round head socket cap self‑tapping screws. Machined from Grade 8.8 carbon steel and finished in a sleek black coating, they combine high tensile strength with a discreet, professional look. The flat tail design is meant for pre‑drilled or punched holes, where the sharp metric thread then forms a clean, tight mate – perfect for machine guards, jigs, fixtures, and metal fabrications that demand repeatable thread quality. An internal hex socket drive gives you substantially more torque than a Phillips head without any risk of the driver slipping, making them ideal for confined spaces and overhead work. Available in two exact metric diameters, M2 and M2.6, with practical thread lengths from 6 mm to 14 mm.

⚙️ Key Features – Grade 8.8 PB Socket Cap Self‑Tapping Screws

  • Grade 8.8 carbon steel – heat‑treated for high tensile and shear strength that holds up under heavy assembly loads
  • PB round head with internal hex socket drive – delivers higher torque than a Phillips drive and eliminates cam‑out
  • Flat tail point design requires a pre‑drilled or punched hole for the cleanest, most precise thread engagement
  • Self‑tapping thread forms its own tight mate in sheet metal, plastic, and wood without a separate tapping operation
  • Two exact metric diameters — M2 and M2.6 — each available in lengths of 6, 8, 10, 12, and 14 mm
  • Black surface finish reduces glare and provides moderate corrosion resistance indoors
  • Ideal for machinery covers, jigs, fixtures, electronic enclosures, and general metal‑to‑metal fabrication

📋 Technical Specifications – PB Socket Head Self‑Tapping Screws

Size Thread Diameter Thread Lengths (mm) Head Style Drive (Hex Key) Material & Finish
M2 2.0 mm 6, 8, 10, 12, 14 PB Round Head Hex Socket (1.5 mm) Grade 8.8 Carbon Steel, Black
M2.6 2.6 mm 6, 8, 10, 12, 14 PB Round Head Hex Socket (2 mm) Grade 8.8 Carbon Steel, Black

* Length measured from under the head. Flat tail point — a pre‑drilled or punched hole is required for best results. All screw heads include a hex socket for Allen key driving.

❓ Frequently Asked Questions – PB Socket Cap Self‑Tapping Screws

🔸 What does “flat tail” mean, and do I need to pre‑drill a hole?

A flat tail (blunt point) screw is designed to be driven into a pre‑drilled or punched hole. It will not self‑drill. You then use the screw to form a precise, strong thread in the material. This gives you a more controlled assembly and is preferred for fixtures and machine parts where thread quality is critical.

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

The hex socket recess can handle significantly more torque without the driver slipping, making installation easier and more consistent. It also allows you to work in tight spaces where a Phillips screwdriver might not fit or would cam out.

🔸 Is Grade 8.8 strong enough for metal‑to‑metal connections?

Yes. Grade 8.8 is a medium‑carbon steel that has been quenched and tempered to achieve a minimum tensile strength of 800 MPa. It is more than adequate for most machinery brackets, sheet metal assemblies, and light structural work.

🔸 Will the black finish wear off or rust?

The black surface treatment provides a degree of corrosion protection for indoor use and will not flake. For permanent outdoor or wet conditions, a stainless steel fastener is recommended, but for machine interiors, electronics, and workshop use, the coating holds up well.

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