Socket Head Cap Screw Torque Chart Metric & Torque Specs | Supplier

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📋 Table of Contents

1. Overview 2. Pain Points 3. Solutions & Specs 4. Social Proof 5. FAQ 6. CTA 7. Reviews

Socket Head Cap Screw Torque Chart Metric & Torque Specs | Reliable Supplier

✅ Eliminate guesswork — get precision torque values for metric socket head cap screws. Reduce rework, prevent thread damage, and source from a certified ISO 9001 factory with 10+ years export experience.

📥 Get Free Torque Chart + Quote in 24h 📞 Talk to an Engineer

⭐ Trusted by 30+ countries · Free samples · OEM/ODM ready

🏭 Handan Boen Fastener · 20,000 sqm facility

🔧 Struggling with Inconsistent Torque Specs?

Every year, poor torque management costs industrial buyers thousands in rework, stripped threads, and joint failures. Here are the top pain points we hear from procurement and engineering teams:

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Unreliable Torque Data

Mixed sources from suppliers, forums, and outdated charts lead to 15-20% higher scrap rates in assembly.

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Hidden Cost Overruns

Low-quality fasteners from unknown sources cause 31% more torque failures — increasing total cost of ownership by 22%.

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Long Lead Times, No Traceability

Sourcing from multiple suppliers means inconsistent specs and no single source of truth for torque validation.

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Compliance & Certification Gaps

Missing ISO, CE, or RoHS docs can block your shipments. 72% of buyers now require full traceability documentation.

👉 You don’t need just fasteners — you need certified torque data + a reliable partner.

⚙️ Your Complete Socket Head Cap Screw Torque Solution

Handan Boen Fastener delivers factory-direct metric socket head cap screws with verified torque charts, full material certs, and global logistics. Here’s how we eliminate risk.

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Factory-Direct Power

10+ years export · 30+ countries · 30% lower cost than tier-2 distributors.

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Precision Torque Data

Metric charts for M3 to M30 — 8.8, 10.9, 12.9 grades — with recommended tightening torque.

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Full Certifications

ISO 9001, CE, RoHS, FCC — traceability from melt to finish.

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Fast Delivery

15-25 days lead time · 98% on-time shipping record · ERP integration.

📊 Socket Head Cap Screw Torque Chart Metric (Grade 12.9)

Reference torque values for standard metric coarse threads — dry, as-delivered condition. Always validate with your specific joint.

Thread Size	Pitch (mm)	Tightening Torque (N·m)	Tightening Torque (ft·lb)	Clamp Load (kN)
M3	0.5	1.2	0.9	2.8
M4	0.7	2.8	2.1	5.1
M5	0.8	5.5	4.1	8.1
M6	1.0	9.5	7.0	11.5
M8	1.25	23	17	20.8
M10	1.5	46	34	33.0
M12	1.75	80	59	48.0
M16	2.0	195	144	89.0
M20	2.5	385	284	139

⚠️ Values are for reference only. Actual torque depends on lubrication, surface finish, and joint design. Contact our engineers for application-specific torque specs.

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Agricultural Machinery

High-vibration joints — M10–M16 grade 10.9 with prevailing torque.

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Automotive Assembly

Engine & chassis fasteners — M6–M12 grade 12.9 with certified torque values.

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Construction & Structural

Steel-to-steel connections — M16–M30 high-strength with Dacromet coating.

❓ Frequently Asked Questions

📌 What is the correct torque for a M8 socket head cap screw grade 12.9?

For a dry M8x1.25 grade 12.9, the recommended tightening torque is 23 N·m (17 ft·lb). Always reduce by 20% if lubricated. Refer to our socket head cap screw torque chart metric above for full range M3–M20.

📌 Do you provide a socket head cap screw torque specs certificate?

Yes. Every batch ships with mill test reports, torque validation data, and ISO 9001 traceability. We can also provide third-party torque certification upon request.

📌 Can you customize the socket head cap screw with special coating?

Absolutely. We offer Dacromet, zinc-nickel, black oxide, and PTFE coatings for corrosion resistance up to 1,000h salt spray. OEM/ODM designs are welcome with MOQ 5,000 pcs.

📌 What is the minimum order quantity for metric socket head cap screws?

For standard sizes (M3–M20), our MOQ is 1,000 pcs per size. For M22–M30, MOQ is 500 pcs. Free samples are available for qualification.

📌 How do you ensure the torque specs match my application?

Our engineers review your joint design, material hardness, and lubrication condition to recommend the optimal torque. We also provide torque-tension testing for critical joints.

📌 What are your shipping terms and delivery time?

We ship via FOB Tianjin, CIF, or DDP to USA/Europe. Standard lead time is 15-20 days for stock items, 25-30 days for OEM orders. Express (DHL/FedEx) available for urgent samples.

⭐ What Our Customers Say

Michael K. Procurement Manager, Germany

“The socket head cap screw torque chart metric they provided matched our application perfectly. Rejected parts dropped by 18% after switching to Boen.”

Sarah L. Supply Chain Lead, UK

“Fast delivery, full traceability, and the torque specs are ISO-certified. We’ve reduced our supplier base by 30% using Boen as a single source.”

David R. Technical Director, USA

“Their grade 12.9 socket head cap screws consistently meet our torque specs within ±3%. Excellent technical support for custom designs.”

Anita W. Operations Manager, Netherlands

“We cut 22% from our fastener TCO by consolidating with Boen. The factory-direct pricing and torque data are a game changer.”

✍️ Written by James Thornton Senior Fastener Engineer & Industrial Content Strategist · 18 years in fastener manufacturing & torque analysis. James leads technical training for global procurement teams and has authored 40+ industry guides on bolt torque and joint design.