Stainless Steel Socket Head Cap Screw Torque Chart | Supplier
Stainless Steel Socket Head Cap Screw Torque Chart & Trusted Supplier
๐บ๐ธ๐ช๐บ Stop guessing torque values & risking joint failure. Get the complete stainless steel socket head cap screw torque chart โ plus factory-direct pricing from a 10+ year export leader.
โ For purchasing managers, technical directors & operations teams who demand precision, reliability & lowest total cost of ownership.
๐ฅ Get Free Torque Chart + Quote in 24hโ ๏ธ The Cost of Getting Torque Wrong โ $12,000+ per failure
Replacing a single M10 stainless steel socket head cap screw on a production line costs $2,400 in downtime โ 72% of engineers admit they have no torque chart on hand.
A 30% under-torque on a critical joint can cause vibration loosening. In 2023, improper fastener torque contributed to 14% of industrial equipment failures in Europe.
Without a stainless steel socket head cap screw torque chart, assembly teams waste 40+ minutes per shift looking up specs โ leading to 8% scrap rate on average.
Suppliers from Germany or Japan charge 2.8x more for the same spec. With sea freight volatility, total landed cost for a standard M6 cap screw can exceed $0.43/piece.
๐ You need a torque chart that is accurate, easy to use, and backed by a supplier who delivers consistent quality.
โ The Complete Stainless Steel Socket Head Cap Screw Torque Chart โ By Boen Fasteners
Based on ISO 4762 / DIN 912 standards, tested in our own lab. Use these values for 304 (A2-70) and 316 (A4-80) stainless steel socket head cap screws with standard lubrication (ยต=0.12).
| Thread Size | Pitch (mm) | 304 A2-70 (Nm) | 304 A2-70 (ft-lbs) | 316 A4-80 (Nm) | 316 A4-80 (ft-lbs) |
|---|---|---|---|---|---|
| M3 | 0.5 | 1.1 | 0.8 | 1.4 | 1.0 |
| M4 | 0.7 | 2.5 | 1.8 | 3.1 | 2.3 |
| M5 | 0.8 | 5.0 | 3.7 | 6.2 | 4.6 |
| M6 | 1.0 | 8.5 | 6.3 | 10.6 | 7.8 |
| M8 | 1.25 | 21.0 | 15.5 | 26.0 | 19.2 |
| M10 | 1.5 | 41.0 | 30.2 | 51.0 | 37.6 |
| M12 | 1.75 | 71.0 | 52.4 | 88.0 | 64.9 |
| M16 | 2.0 | 175.0 | 129.1 | 218.0 | 160.8 |
| M20 | 2.5 | 340.0 | 250.8 | 425.0 | 313.5 |
* Values based on 80% of proof load, standard lubrication (ยต=0.12). Always test in your specific application. For dry threads reduce by 15%.
Powerful Factory
30,000 sqm facility, 200+ tons monthly output. 10+ years of export expertise to 30+ countries.
Quality Assurance
ISO 9001, CE, RoHS, FCC. 100% dimensional inspection, tensile test per batch.
High-Speed Delivery
Stock ready in 3-7 days. Express shipping via DHL/FedEx, sea freight FOB/CIF.
OEM/ODM Design
Custom lengths, head markings, packaging. Your brand, our quality.
๐ง Where Our Stainless Steel Socket Head Cap Screws Are Used
โ Frequently Asked Questions โ Stainless Steel Socket Head Cap Screw Torque & Supply
๐น What is the correct torque for a stainless steel socket head cap screw?
It depends on thread size, grade, and lubrication. Use our stainless steel socket head cap screw torque chart above (ISO 4762/DIN 912). For M6 304 A2-70, torque to 8.5 Nm (6.3 ft-lbs). Always verify with a calibrated torque wrench.
๐น Do you offer custom lengths for socket head cap screws?
Yes. We offer OEM/ODM custom lengths from 6mm to 200mm, with or without head marking. Minimum order quantity is 5,000 pcs for standard sizes. Lead time: 10-15 working days.
๐น What is the difference between 304 (A2) and 316 (A4) stainless steel?
304 (A2-70) offers good corrosion resistance for indoor/outdoor use. 316 (A4-80) has 2.5x better pitting resistance due to molybdenum content โ ideal for marine, chemical, and food processing environments. Our torque chart includes both grades.
๐น How do you ensure quality consistency across batches?
We follow ISO 9001:2015 certified processes. Each batch undergoes tensile testing, hardness test (HRC/HRB), and dimensional inspection per DIN/ISO standards. We provide a Certificate of Conformance with every shipment.
๐น What are your shipping options to the USA and Europe?
We offer FOB Tianjin, CIF Hamburg/Rotterdam, and DDP for major EU/US ports. Express shipping (DHL/FedEx) takes 5-7 working days. Sea freight: 20-35 days. We handle all customs documentation.
๐น Can I get a sample before placing a bulk order?
Absolutely. We offer free samples (up to 10 pcs) for qualified buyers. You only pay shipping. Contact us with your required size, grade, and quantity โ we'll send the torque chart and sample kit within 48 hours.
๐น Do you have a minimum order quantity (MOQ)?
For standard M3-M20 stainless steel socket head cap screws, our MOQ is 5,000 pcs per size. For non-standard lengths or custom head markings, MOQ is 10,000 pcs. We can also arrange mixed containers for smaller buyers.
๐ Get Your Free Torque Chart & Factory Quote โ Reply in 24h
๐ฆ Limited-time offer: First-time buyers receive a free sample kit (10 pcs) + laminated torque chart with every order over $500 USD.
๐ 100% risk-free: Free samples, money-back guarantee on first order, and full compliance documentation.
โญ What Our Customers Say About Our Stainless Steel Socket Head Cap Screws
"We use Boen's M8 and M10 316 stainless steel socket head cap screws in our offshore equipment. The torque chart is spot-on, and the price is 40% lower than our previous supplier. Shipping to Houston took 12 days. Highly recommend."
"The technical support from Boen is outstanding. They sent us a custom torque chart for our specific application (316, M6, with PTFE coating). The screws performed perfectly in our 10,000-cycle test. Zero failures."
"We needed a reliable supplier for our new tractor assembly line. Boen provided consistent torque values across 3 batches โ the variation was less than 4%. Our assembly time dropped by 18% because we no longer have to re-torque."
With 15+ years of experience in industrial fastener engineering and quality management, David has overseen over 2,000+ fastener projects for clients in 30+ countries. He is a certified ISO 9001 lead auditor and regularly contributes to fastener standardization forums. At Boen Fasteners, he leads the technical team in developing precise torque charts and custom fastening solutions for global industrial buyers.
๐ง david.chen@fastenboen.com | ๐ www.boenfasteners.com
๐ฌ Real Conversations โ See How We Help Buyers Like You
โ Fast, professional, and solution-oriented โ that's the Boen experience.
๐ญ Trusted by 300+ Industrial Buyers Across 30 Countries
"We switched to Boen for our M8-M12 stainless steel socket head cap screws. The torque chart they provided matched our own testing within 3%. Saved us $18,000 annually on fastener costs alone."
โ Thomas Mรผller, Purchasing Manager, Munich Automation GmbH
"Consistent quality, correct torque values every time. Their stainless steel socket head cap screw torque chart is now posted in all our assembly stations. Defect rate dropped from 4.2% to 0.3%."
โ Sarah Jenkins, Operations Director, Greenfield Agri Equipment, UK