Galvanized Self-Drilling Screws | Flat Countersunk Phillips - HighFasteners

Self-Drilling Fastener for Wood & Metal. Head: Flat Countersunk Phillips Drive. Tip: Self-drilling, no pre-drilling needed. Finish: Galvanized / Zinc Plated for corrosion protection. Size: M4.2 common (custom lengths available). Offer: Factory Direct wholesale pricing. Custom options supported. 💡 Need Non-Standard Sizes? We Are OEM Factory! We specialize in customizing self-drilling screws based on your Drawings or Samples. Custom Finish: Stainless / Black Oxide. Action: Click the button below to upload your drawing for a free quote.

Product Overview

The Galvanized Flat Countersunk Head Self-Drilling Screw is a compact, efficient fastener featuring a Phillips cross recess and self-drilling tip. It eliminates the need for pre-drilling, allowing direct installation into wood, thin steel, or plastic.

Crafted from durable steel with zinc plated/galvanized finish, it provides excellent corrosion resistance and a flush, professional appearance.

Key Features:

Self-Drilling Efficiency: Sharp tip drills its own pilot hole for fast, one-step installation.

Flush Finish: Countersunk head sits flat for clean, hidden fastening.

Corrosion Protected: Galvanized/zinc coating ensures long-lasting performance in indoor/outdoor use.

Technical Specifications:

Property	Specification
Product Name	Flat Countersunk Self-Drilling Screw
Head Type	Cross Recessed Countersunk (Phillips)
Drive Style	Phillips
Finish	Zinc Plated / Galvanized
Measurement System	Metric
Model Example	M4.2
Application	Healthcare, Food & Beverage, General Industry, Drywall
Custom Support	OEM, ODM, OBM

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Factory Direct Price | Fast Delivery | OEM Service

Email: admin@changhua-electrical.com | WhatsApp: +86 181 3296 8158

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Detailed Product Gallery

Manufacturing & Quality Control

Advanced Cold Heading
Precision manufacturing.

Optical Sorting
0-PPM defects.

Lab Testing
Tensile & Salt Spray.

Project References

Furniture Assembly
Flush Hidden Fastening

Drywall & Framing
Quick Installation

Light Construction
Metal to Wood Fixing

Frequently Asked Questions

Q: Can I get free samples?
Yes! We provide free samples for standard self-drilling screws. You only need to cover the shipping cost.

Q: What sizes and finishes do you support?
Common M4.2 series, galvanized/zinc plated. Custom sizes and finishes available.

Q: What certifications do you have?
We are ISO9001:2015 Certified. Every shipment comes with a Factory Quality Inspection Report.

Q: What is your delivery time?
Stock items: 3-7 days. Mass production: 20-30 days.

Q: Can you produce according to drawings?
Yes, OEM/ODM is our strength. Send us CAD drawings for a quote within 24 hours.

Q: What are your payment terms?
We generally accept T/T (30% deposit, 70% before shipment). For long-term partners, we can discuss L/C.