Product Overview
Zinc Plated Phillips Self Tapping Screws with Washer Head and Pointed Tail, available in sizes 4.2×13 to 75 mm (1/2″ to 3″). Manufactured from high-quality carbon steel with corrosion-resistant zinc plating. Suitable for fastening metal, wood, and plastic in HVAC, electrical, furniture, and construction applications. Directly supplied from Quanfan factory in China, serving Southeast Asia, the Middle East, and Africa. Compatible with standard Phillips drivers and available for bulk orders.


Technical Specifications
Material | Q235 Carbon Steel (Tensile Strength ≥ 400 MPa) – strong and durable base material for structural fastening. |
Surface Treatment | Blue-White Zinc Electroplating (5–8μm thickness) for enhanced corrosion protection. |
Mechanical Grade | Grade A (Equivalent to ISO 898 Grade 4.8 standard) – suitable for general structural use. |
Head Type | Phillips Pan Head with Integrated Washer – provides wide contact area and anti-loosening function. |
Thread Type & Tail | Self-Tapping Thread with Sharp Pointed Tail – designed for fast penetration into metal, plastic, or wood. |
Corrosion Resistance | 72-hour Salt Spray Test |
Suitable Materials | Suitable for metal sheet structures (up to 1.5mm), plastic components, and softwood. These self tapping screws are widely used in HVAC systems, metal enclosures, and light construction frameworks. |
Available Sizes (Metric/Inch) | 4.2×13 mm / 1/2″, 4.2×15 mm / 5/8″, 4.2×16 mm / 5/8″, 4.2×19 mm / 3/4″, 4.2×25 mm / 1″, 4.2×32 mm / 1-1/4″, 4.2×38 mm / 1-1/2″, 4.2×50 mm / 2″, 4.2×75 mm / 3″ |
Application Scenarios
These Zinc-Plated Phillips Head Self Tapping Screws with Washer Head are suitable for applications across Southeast Asia requiring enhanced load distribution and anti-loosening properties:
Steel Sheet Assembly
Fix thin metal sheets onto structural frames using self tapping screws with integrated washer heads. These screws provide stable fastening and reduce vibration loosening in HVAC and ductwork installations.
Woodworking & Paneling
Secure chipboard, MDF, and plywood with phillips head self tappers that prevent surface damage. Ideal for cabinet assembly and decorative panel installation.
Light Construction Work
Used in light framing, partition walls, and ceiling installations, these zinc-plated self threading screws offer reliable holding power and anti-loosening under movement or vibration.
Plastic Fittings
Attach lightweight plastic parts to wood or metal substrates with self threading screws that reduce risk of cracking or stripping.
Furniture Hardware
Recommended for furniture and hardware fixtures where pan head self tapping screws with a washer provide both structural support and clean aesthetics.
Product Quality Certificate

Quality Certification Standards
Product quality is our priority, validated by Hebei Provincial Fastener Product Quality Supervision and Inspection Center. This authoritative provincial institution has rigorously tested our screws, nuts and bolts for material, hardness, strength, precision and corrosion resistance—all meeting or exceeding industry standards. This certification guarantees reliable performance for your projects.
Product Packaging Specifications

Comprehensive Packaging Solutions
- Inner Packaging: 25kg per woven bag or small box, PE bag lining
- Outer Packaging: 900kg wooden pallets or fumigated plywood cases
- Custom Packaging: Logo boxes, barcode stickers available on request
Manufacturing Facility Overview

Advanced Manufacturing Facility
Our 5,000㎡ workshop features clear zones for raw materials, processing, testing and finished goods. Equipped with over 50 advanced CNC machines and cold headers, we achieve ±0.01mm precision from wire to finished fasteners. 20+ skilled staff monitor production, while a dedicated lab with tensile testers and spectrometers ensures strict quality checks—rejecting all substandard products.
Customer Service Policy
Return & Exchange Policy
We stand behind our high-quality fasteners. For defective products, returns are accepted within 7 days of receipt (unused, in original packaging, with defect evidence); we refund product cost (shipping non-refundable). Exchanges for wrong specs or minor defects (unused) are allowed within 7 days, with customer covering shipping. Not accepted: customer-caused errors, used/damaged products, requests after 7 days.
Frequently Asked Questions
Can you offer neutral (unbranded) packaging for sales on Southeast Asian e-commerce platforms such as Shopee and Lazada?
Yes, we offer neutral packaging without any branding for customers selling on e-commerce platforms like Shopee and Lazada. Custom packaging and labeling can also be arranged based on your specific requirements.
What self tapping screws sizes do you have available for different materials?
We offer a wide range of self tapping screws sizes suitable for metal, wood, and plastic applications to fit various project needs.
What is the difference between self tapping screws and self drilling screws?
Self tapping screws create their own threads in a pre-drilled hole, while self drilling screws (also called TEK screws) feature a drill-like point that eliminates the need for pre-drilling. Our zinc plated Phillips head self tapping screws are sharp-pointed and ideal for applications where a pre-drilled hole exists or softer base materials are used.
Do you manufacture self tapping screws with Phillips drive only?
Our primary production includes Phillips pan head self tapping screws, but we also offer hex head, flat head, and wafer head options upon request. All screw types are available with zinc plated, black oxide, or stainless steel finishes depending on your application needs.
Can I import self tapping screws from your factory to the Middle East or Africa?
Absolutely. We are an experienced China-based manufacturer exporting zinc plated self tappers to Saudi Arabia, UAE, Egypt, Nigeria, Kenya, and many other countries. We offer competitive prices, flexible trade terms (FOB/CIF/DDP), and support bulk orders with fast delivery.
Contact Us
Need more information about our Zinc-Plated Cross Washer Head Pointed Tail Screws or have special requirements? Our technical sales team is ready to serve customers across Southeast Asia.
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