Large Button Head Screws & Metric Button Head Socket | Factory
โก Eliminate supply chain delays & excessive costs. Precision-engineered fasteners with full traceability, delivered in 15โ25 days.

๐ญ 10+ Years Export Expertise
๐ 23% Cost Overrun
European procurement managers report 23% higher total cost when sourcing metric button head socket cap screws from non-specialized suppliers. Hidden logistics & compliance fees add up fast.
โณ 18โ35 Day Delays
Multi-tier distribution channels add 2โ3 weeks to delivery. Factory-direct cuts that to 15โ25 days with real-time tracking.
๐ง 12% Rejection Rate
Inconsistent thread pitch & head height on low-cost imports cause assembly line stoppages. One automotive plant lost โฌ47k in a single shift.
๐ Compliance Nightmares
Missing CE, RoHS, or REACH documentation delays customs clearance. 1 in 5 shipments faces holds โ costing โฌ150โโฌ300 per day.
๐ You need a partner that delivers large button head screws with guaranteed quality, full certifications, and factory-direct pricing โ not a middleman.
๐ญ Powerful Factory
12,000ใก production base with 85+ CNC machines, 50,000+ tons annual output. Full in-house control from raw material to finished large button head screws.
๐ฌ Quality Assurance
Every batch of metric button head socket cap screws tested for hardness (HRC 22โ32), tensile strength (min 800 MPa), and thread gauge compliance. 0.15% defect rate โ 1/3 of industry average.
โ๏ธ High-Speed Delivery
15โ25 days from order to FOB. Dedicated logistics team for sea/air/rail. 98.7% on-time shipping record across 30+ countries.
๐จ OEM/ODM Design
Custom head markings, drive types (hex, Torx, Phillips), coatings (zinc, Dacromet, Geomet), and packaging. 200+ custom SKUs developed for European clients in 2025.
| Parameter | Large Button Head Screws (DIN 7380) | Metric Button Head Socket Cap Screws (ISO 7380) |
|---|---|---|
| Thread Diameter (M) | M3 โ M16 | M4 โ M20 |
| Head Diameter (dk) | 2.3ร thread dia (max) | 2.2ร thread dia (max) |
| Head Height (k) | 0.6ร thread dia | 0.55ร thread dia |
| Drive Type | Hex socket (ISO 2936) | Hex socket / Torxยฎ |
| Material Grades | 10.9 / 12.9 alloy steel, A2-70 / A4-80 stainless | 10.9 / 12.9 alloy steel, A2-70 / A4-80 stainless |
| Hardness (HRC) | 22โ32 (10.9) / 33โ39 (12.9) | 22โ32 (10.9) / 33โ39 (12.9) |
| Tensile Strength (min) | 1,040 MPa (10.9) / 1,220 MPa (12.9) | 1,040 MPa (10.9) / 1,220 MPa (12.9) |
| Coating Options | Zinc (clear/yellow), Dacromet, Geomet, HDG | Zinc (clear/yellow), Dacromet, Geomet, PTFE |
| Standards | DIN 7380, ISO 7380 | ISO 7380, DIN 7380, GB/T 2672 |
๐ All metric button head socket cap screws are 100% thread-gauged and batch-tested with certifiable reports.
๐
Agricultural Machinery
A German tractor manufacturer reduced fastener failure by 41% after switching to our 12.9-grade metric button head socket cap screws for harvester sub-assemblies.
๐
Automotive Components
A French automotive tier-1 supplier uses our large button head screws for battery pack enclosures โ 18% faster assembly due to consistent head height.
๐๏ธ
Construction Steelwork
A UK construction firm standardized on our M10โM16 metric button head socket cap screws for curtain wall fixings โ 37% cost savings vs. previous distributor.
โ๏ธ
Industrial Automation
A Dutch robotics company uses our A4-80 stainless large button head screws for food-grade conveyor systems โ zero corrosion issues after 18 months.
๐น What is the difference between large button head screws and standard button head screws?
Large button head screws have a wider head diameter (โ2.3ร thread dia) compared to standard button head (โ2.0ร). This provides a larger bearing surface, making them ideal for softer materials or applications requiring higher clamp load distribution. Our metric button head socket cap screws follow ISO 7380 and DIN 7380 standards.
๐น Do you offer custom coatings for metric button head socket cap screws?
Yes โ we provide zinc (clear/yellow/black), Dacromet, Geomet, PTFE, and hot-dip galvanizing. For metric button head socket cap screws used in high-corrosion environments, we recommend Geomet or Dacromet with 720+ hours salt spray resistance.
๐น What is the minimum order quantity (MOQ) for large button head screws?
For standard sizes (M3โM16) in 10.9 grade, MOQ is 5,000 pieces per size. For custom lengths or 12.9 grade, MOQ is 10,000 pieces. We can also negotiate sample orders โ contact our team for details.
๐น How do you ensure quality consistency for metric button head socket cap screws?
Every batch undergoes: (1) chemical composition analysis, (2) hardness testing (HRC), (3) tensile strength validation, (4) thread gauge inspection, and (5) dimensional checks via CMM. 100% traceability with batch numbers and mill certificates.
๐น What are your typical delivery times for large button head screws to Europe?
Standard sea freight: 15โ25 days FOB from China to major European ports (Hamburg, Rotterdam, Antwerp). Air freight: 5โ7 days. We also offer rail freight to Central/Eastern Europe (18โ22 days).
๐น Can you provide CE, RoHS, and REACH certifications for metric button head socket cap screws?
Absolutely. All our metric button head socket cap screws come with CE, RoHS, and REACH compliance documentation as standard. Additional certifications (UL, FCC, German BAM) are available upon request.
๐น What payment terms do you offer for international buyers?
We accept T/T (30% deposit, 70% before shipment), L/C at sight, and for qualified buyers โ net 30 days (subject to credit check). We also support PayPal for sample orders under $500.

Lars B. โ Purchasing Manager, Denmark
โ โ โ โ โ
"We've been sourcing large button head screws from Boen for 2 years. The quality is consistent, the documentation is always complete, and their pricing beats any European distributor we've tried. 22% cost reduction in our first year."

Sophie M. โ Technical Director, France
โ โ โ โ โ
"Their metric button head socket cap screws in 12.9 grade are outstanding. We tested them against 3 other suppliers โ Boen's had the tightest tolerance on head height (ยฑ0.03mm) and the best thread finish. Now our standard."

Ahmed K. โ Operations Manager, UAE
โ โ โ โ โ
"Fast delivery โ 18 days from order to Dubai port. The large button head screws were exactly as specified, with proper CE documentation. Their customer service team is very responsive. Highly recommended."

โ๏ธ About the Author โ Thomas Wei
Senior Fastener Engineer & International Trade Specialist | 14+ years in industrial fasteners
Thomas Wei has been with Handan Boen Fastener since 2012, leading technical development for metric button head socket cap screws and large button head screws. He has personally overseen over 400 export projects to Europe and North America, and holds certifications in ISO 9001 auditing and metallurgical engineering. Thomas writes regularly on fastener standards, procurement optimization, and supply chain resilience.



๐ธ Actual WhatsApp & email conversations with satisfied buyers โ names blurred for privacy.
โก Limited-time offer: Free samples & express shipping on first orders over โฌ500. 30-day money-back guarantee on quality โ no questions asked.
๐ Hanguang Industrial Park, Yongnian District, Handan, Hebei, China | MonโFri 09:00โ17:00
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๐ Trusted by Industry Leaders Worldwide
"We switched to Boen for our metric button head socket cap screws โ 22% lower cost and zero defects in 6 months."
โ Purchasing Manager, Italian Agri-Machinery OEM
"Their large button head screws meet our 12.9-grade specs perfectly. Delivery was 18 days โ 9 days faster than our previous supplier."
โ Technical Director, German Automotive Tier-1
"Excellent OEM support โ custom head markings and Torx drive on our metric button head socket cap screws. Very responsive team."
โ Supply Chain Manager, Dutch Industrial Automation