M3 Socket Screws & M3 x 10mm Socket Cap Screws | Wholesale

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M3 Socket Screws & M3 x 10mm Socket Cap Screws — Wholesale Direct from China's Power Factory

✅ Stop overpaying for premium fasteners. Get factory-direct pricing, ISO-certified quality, and 10-day delivery for M3 socket screws — no minimum quantity headaches.

🚀 Get Free Quote in 24h 📞 Talk to an Engineer

👉 Serving 30+ countries | ISO 9001 · CE · RoHS · SGS verified

🏭 Handan Boen — 10+ years export excellence

⚠️ Why Most Buyers Waste 30%+ on M3 Socket Screws

You're not alone. Here are the 5 biggest frustrations procurement teams face when sourcing m3 socket screws and m3 x 10mm socket cap screws:

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Inflated Prices

Distributors mark up 40-60%. You pay for their warehouse, not the product.

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Inconsistent Quality

Mixed batches — some screws pass, some fail. No traceability.

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Lead Time Nightmares

45-60 days from order? That kills your production line.

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Compliance Headaches

No CE, RoHS, or ISO docs? Your compliance team won't approve.

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Hidden Shipping Costs

"Low price" + brutal freight = no savings. We quote all-in.

You deserve better. A partner who delivers quality, speed, and transparency — without the middleman.

✅ Boen Fastener: Your Direct Factory Partner for M3 Socket Screws

With 15 years of export experience and ISO 9001-certified production, we deliver m3 x 10mm socket cap screws that meet — and exceed — global standards.

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Factory-Direct Power

Own production lines in Handan, China — 10,000+ sqm facility. You cut out 3-4 middlemen.

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Quality Assurance

Every batch tested: tensile strength, hardness, thread gauge. ISO 9001, CE, RoHS, SGS reports available.

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10-15 Day Delivery

Stock program for m3 socket screws — ship within 10 days. Custom orders: 20-25 days.

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OEM/ODM Flexibility

Need special head marking, custom packaging, or specific plating? We design it with you.

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Total Cost Transparency

No hidden fees. All-in pricing (product + freight + duties) — so you budget with confidence.

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Global Logistics

Shipping to 30+ countries — USA, Germany, UK, Australia, UAE. DDP, FOB, CIF — you choose.

📏 Technical Specifications — M3 Socket Screws & M3 x 10mm Socket Cap Screws

All data verified by third-party SGS testing and compliant with DIN 912 / ISO 4762 standards.

Parameter	M3 Socket Screw (Standard)	M3 x 10mm Socket Cap Screw
Thread Diameter	M3 (3.0 mm)	M3 (3.0 mm)
Length	4 mm – 50 mm (custom available)	10 mm
Head Type	Socket head (hexagon drive)	Socket head (hexagon drive)
Drive Size	Hex 2.5 mm	Hex 2.5 mm
Material	Carbon steel 10.9 / Stainless steel A2-70 / A4-80	Carbon steel 12.9 / Stainless steel A2-70
Tensile Strength	≥ 1,000 MPa (10.9 grade)	≥ 1,200 MPa (12.9 grade)
Plating / Coating	Zinc plated / Black oxide / Dacromet / Zinc-nickel	Zinc plated / Geomet / Hot-dip galvanized
Standards	DIN 912, ISO 4762, ANSI/ASME B18.3	DIN 912, ISO 4762
Certification	ISO 9001, CE, RoHS, SGS	ISO 9001, CE, RoHS, SGS

📄 Request full test report →

🔧 Where M3 x 10mm Socket Cap Screws Excel

⚙️ Automotive — engine components, brake systems, interior fixtures
🤖 Robotics & Automation — servo mounts, linear guide rails
🔌 Electronics Enclosures — PCB mounting, heat sink fastening
🏗️ Construction Machinery — hydraulic valve blocks, frame joints
🚜 Agricultural Equipment — tractor attachments, pump housings
📦 General Industrial — jigs, fixtures, and OEM assemblies

👉 Tell us your application — we'll recommend the exact grade & plating

💬 Real Conversations with Our Clients

📱 Direct communication — no sales bots, real engineers

❓ Frequently Asked Questions — M3 Socket Screws & M3 x 10mm Socket Cap Screws

🔹 What is the minimum order quantity (MOQ) for m3 socket screws?

Our standard MOQ is 5,000 pcs per size. However, for first-time trials or urgent needs, we offer sample orders (500-1,000 pcs) at competitive rates. Contact us for stock availability.

🔹 Do you provide certificates of conformity (COC) for m3 x 10mm socket cap screws?

Yes — every shipment includes a COC, mill test report, and batch traceability. We also provide third-party SGS inspection upon request (at cost).

🔹 What is the typical lead time for wholesale orders?

For standard m3 socket screws in stock: 10-15 days from payment. For custom sizes or plating: 20-25 days. We ship via DHL, FedEx, or sea freight depending on your urgency.

🔹 Can you customize the head marking or packaging?

Absolutely. We offer OEM/ODM services: custom laser marking, special head stamps, poly bags with your logo, barcode labels, and ESD-safe packaging. Free artwork within 24h.

🔹 What payment terms do you accept?

We accept T/T (30% deposit, 70% before shipment), L/C, PayPal, and Western Union. For long-term partners, we can discuss net 30/60 terms based on credit history.

🔹 How do you handle quality complaints or returns?

We follow a 48-hour response protocol. If a defect is confirmed (with photos/video), we offer replacement or credit on the next order. Our defect rate is less than 0.2%.

🔹 Do you offer free samples for testing?

Yes — we provide free samples (up to 50 pcs per size) for qualified buyers. You only pay the shipping cost. Request your free sample kit →

⭐ What Our Customers Say About Us

Carlos Vargas

Industrial Buyer, Mexico

"I've imported from 5 different Chinese suppliers. Boen is the most consistent on quality and delivery. Their m3 x 10mm socket cap screws are perfectly threaded every time."

Elena Petrova

Supply Chain Lead, Russia

"The factory-direct pricing saved us 37% compared to our previous distributor. Plus, the team handled all customs documentation. Flawless experience."

James O'Connell

Operations Director, UK

"We needed a rush order of m3 socket screws for a critical project. Boen delivered in 9 days — including custom packaging. Absolute lifesaver."

👤 Written by Liang Wei — Senior Fastener Engineer & Export Manager

With 14 years in industrial fastener manufacturing and export, Liang oversees quality control and new product development at Handan Boen. He has personally audited 200+ production lines and helped 450+ international buyers optimize their fastener supply chains. His technical insights have been featured in Fastener Technology International and China Hardware Review.

📧 liang.wei@fastenboen.com | 🔗 Boen Fasteners