M1.4~M4 Countersunk Pozi Self Tapping Black Zinc Blunt End Metal Sheet Screws $1.56 USD

M1.4~M4 Countersunk Pozi Self Tapping Black Zinc Blunt End Metal Sheet Screws

Name: M1.4~M4 Countersunk Pozi Self Tapping Black Zinc Blunt End Metal Sheet Screws
Brand: HomeDIYer
SKU: WXBGB01116x5
Price: 1.56 USD
Availability: InStock

$1.56 USD

In stock

Provided by HomeDIYer

Quantity Discount Promotion

QTY(Piece):

Variant

Quantity:

Pickup currently unavailable at Illinois

Illinois

Pickup currently unavailable

150 Hastings Drive
Buffalo Grove IL 60089
United States

+18479091828

DIY Expert Support

Get fitment advice & recommendations

Mon-Fri, 8:30AM-8PM

WhatsApp Email

⚡

24-Hour Fast Ship

🚚

Arrives in 3-14 days

🌍

Global Reach

↩️

30-Day Returns

🌱 1 tree planted with every purchase

🔩 Countersunk Pozi Self‑Tapping Screws – Black Zinc Carbon Steel

When your fastening job demands a flush, snag‑free surface, these countersunk self‑tapping screws deliver. Stamped from durable carbon steel and finished in a sleek black zinc plating, they offer reliable corrosion resistance for indoor and light‑duty outdoor use – electronics, furniture, automotive interior trim, and appliance panels all benefit from the dark, low‑profile finish. The 90° blunt‑end flat head sits perfectly flush in standard countersinks, while the sharp metric coarse thread cuts its own path into sheet metal, plastic, fiberglass, and wood – no separate tap or pilot hole required in most thin materials. Designed with a Pozi‑compatible Phillips recess for a secure, slip‑resistant drive, these screws make installation faster and cleaner. With thread diameters from M1.4 up to M4 and multiple length options (including head), you can match the exact material thickness across a wide range of precision assembly and general workshop tasks.

⚙️ Key Features – Black Zinc Countersunk Self‑Tapping Screws

Carbon steel with black zinc plating provides a low‑profile appearance and moderate corrosion resistance at an economical price
Countersunk 90° flat head sits flush with the surface – no protruding edges to catch or interfere
Blunt‑end self‑tapping thread cuts cleanly into sheet metal, wood, plastic, and composites without a pre‑tap
Pozi‑compatible Phillips drive recess offers positive bit engagement and reduces cam‑out compared to older slotted types
Available in eight thread diameters (M1.4, M1.7, M2, M2.3, M2.6, M3, M3.5, M4) to cover micro‑assembly through medium duty
Length measurements include the head – simplifies matching the screw to your application thickness
Ideal for electronics enclosures, cabinetry, light fixtures, RC models, and thin‑gauge metal and plastic panels

📋 Technical Specifications – Countersunk Pozi Self‑Tapping Screws

Thread Ø (d)	Head Ø (dk)	Head Thickness (k)	Typical Lengths (mm)*	Head Style	Drive	Material & Finish
M1.4	2.6 mm	0.7 mm	Various (see listing)	Countersunk Flat	Phillips (Pozi‑comp.)	Carbon Steel, Black Zinc
M1.7	3.2 mm	0.9 mm	Various (see listing)	Countersunk Flat	Phillips (Pozi‑comp.)	Carbon Steel, Black Zinc
M2	3.6 mm	1.1 mm	Various (see listing)	Countersunk Flat	Phillips (Pozi‑comp.)	Carbon Steel, Black Zinc
M2.3	3.7 mm	1.2 mm	Various (see listing)	Countersunk Flat	Phillips (Pozi‑comp.)	Carbon Steel, Black Zinc
M2.6	4.1 mm	1.3 mm	Various (see listing)	Countersunk Flat	Phillips (Pozi‑comp.)	Carbon Steel, Black Zinc
M3	5.1 mm	1.5 mm	Various (see listing)	Countersunk Flat	Phillips (Pozi‑comp.)	Carbon Steel, Black Zinc
M3.5	6.5 mm	1.9 mm	Various (see listing)	Countersunk Flat	Phillips (Pozi‑comp.)	Carbon Steel, Black Zinc
M4	6.7 mm	2.1 mm	Various (see listing)	Countersunk Flat	Phillips (Pozi‑comp.)	Carbon Steel, Black Zinc

* Lengths are overall length (including head). Exact length options vary by size – refer to the listing drop‑down for availability. Dimensions conform to metric standards.

❓ Frequently Asked Questions – Black Zinc Countersunk Self‑Tapping Screws

🔸 Are these actually Pozi‑drive, or just Phillips?

They feature a standard Phillips recess that works with both Phillips and Pozi bits. While labeled as Pozi by some sources, the drive is Phillips‑compatible. A #0, #1, or #2 Phillips bit will fit perfectly, depending on the screw size.

🔸 Do I need to drill a pilot hole before using these?

In thin sheet metal (up to about 1 mm) or soft plastic, you can often drive them directly without a pilot hole. For thicker materials, a small pilot hole about 80% of the thread diameter reduces torque and ensures a clean, strong thread.

🔸 Is the black zinc finish durable? Will it rust?

Black zinc plating provides moderate corrosion protection. It resists rust in indoor and dry environments very well. For outdoor or wet conditions, occasional maintenance or a protective coating is recommended, as prolonged moisture can cause surface staining over time.

🔸 How do I know the length listed includes the head?

All length measurements for these screws are overall length – from the very top of the flat head to the tip. Unlike some pan head screws that list only the thread length, these are measured including the head, so you can match them directly to your material thickness.