12 Point Flange Head Cap Screw & 12 Point Flange Screw | Buy
12 Point Flange Head Cap Screw & 12 Point Flange Screw – Factory-Direct Pricing for Global Buyers
Eliminate supply chain risk & reduce fastener costs by 27–34% with our precision-engineered 12 point flange screws.
ISO 9001 · CE · RoHS · 30+ countries served.
✅ 50,000+ units in stock · ✅ Free samples for qualified buyers · ✅ ERP integration ready
⚙️ 30,000 m² manufacturing facility · 15+ production lines
📑 Table of Contents
⚠️ The True Cost of Cheap Fasteners
3 out of 5 procurement managers admit fastener failures disrupted production in 2025.
Hidden Cost Overruns
Buying cheap 12 point flange screws often leads to rework costs 3x the original price. A 2024 industry survey showed 62% of buyers experienced thread galling with low-grade flange head cap screws.
Delivery Delays & Downtime
Supply chain volatility means lead times stretched to 14–18 weeks for European importers. Every day of delay costs $4,200–$7,800 in lost production for automotive lines.
Inconsistent Quality
Without proper heat treatment & plating, 40% of generic 12 point flange head cap screws fail torque tests. This leads to warranty claims and damaged OEM relationships.
Compliance Headaches
Missing CE or RoHS documentation can block shipments at customs. Over 23% of US importers reported customs holds in 2025 due to incorrect fastener certifications.
✅ Why Boen Fastener – Precision 12 Point Flange Screws
Engineered for high-stress applications · Backed by 15+ years of export expertise
Factory-Direct Power
We produce 12 point flange head cap screws in-house with 100% traceable raw material (SAE 4140, 4037, 10.9/12.9 grade). Eliminate middleman markups.
Advanced Metallurgy
Our 12 point flange screws undergo vacuum heat treatment + black oxide / zinc-nickel plating. Salt spray resistance up to 720h (ASTM B117).
High-Speed Logistics
95% of orders shipped within 10 days. Air freight from China to US/Europe in 5–7 days. Sea freight FOB/CIF with full tracking.
OEM/ODM Flexibility
Custom head markings, thread lengths, flange diameters, and packaging. Min. order quantity from 500 pcs for qualified buyers.
Full Compliance Pack
ISO 9001:2015 · CE · RoHS · FCC · REACH · 3.1 material certs (EN 10204) included. We support your PPAP/FAIR process.
Dedicated Support
Your account manager provides 24h response time, real-time order dashboard, and ERP integration (EDI/API).
📊 Technical Specifications – 12 Point Flange Head Cap Screw
| Parameter | Specification | Available Options |
|---|---|---|
| Grade | 10.9 / 12.9 (ASTM A574) | Custom grades upon request |
| Thread Size | M6 – M24 (coarse & fine) | UNC/UNF 1/4" – 1" |
| Material | SAE 4140, 4037, 10B21 | 304SS, 316SS, 17-4PH |
| Flange Diameter | 1.5D – 2.0D (per DIN 6921) | Custom flange OD & thickness |
| Surface Finish | Black oxide, zinc-nickel, Dacromet | Geomet, PTFE, hot-dip galvanized |
| Hardness | HRC 32–39 (Grade 10.9) | HRC 39–44 (Grade 12.9) |
| Salt Spray Resistance | Up to 720h (zinc-nickel) | Test reports provided per batch |
| Packaging | Bulk / poly bags / cartons / pallets | Custom labeling & barcode |
📌 Full dimensional reports & PPAP documents available upon request.
🏁 Real-World Applications
Where our 12 point flange screws deliver the most impact
Agricultural Machinery
A German tractor OEM replaced their supplier with our 12 point flange head cap screw and reduced joint failure rate by 81% in high-vibration assemblies.
Automotive Powertrain
A US Tier-1 supplier uses our 12 point flange screw for transmission housing. Achieved 100% torque consistency over 500,000 cycles.
Construction Equipment
A Swedish construction equipment manufacturer saved €1.2M annually by switching to our factory-direct 12 point flange head cap screws with custom flange geometry.
🏭 Built in a Certified Factory
Our 30,000 m² facility in Handan, Hebei operates 15+ cold forging & CNC lines. Every batch of 12 point flange screws is inspected by CMM, hardness tester, and salt spray chamber.
✅ ISO 9001:2015 · CE · RoHS · FCC · REACH · IPPC heat treatment
Trusted by Leading Brands
💬 What Our Buyers Say
Real feedback from procurement & engineering leaders
Procurement Director, Germany
“We switched to Boen's 12 point flange head cap screw and cut our fastener spend by 31% without compromising quality. Their PPAP support is outstanding.”
Supply Chain Manager, USA
“The 12 point flange screws from Boen passed our 720h salt spray test with zero red rust. Delivery was 8 days early. Highly reliable.”
Technical Director, Sweden
“We tested 5 suppliers for our new excavator line. Boen's 12 point flange head cap screw had the lowest standard deviation in clamp load — they won the contract.”
📱 Real-Time Support in Action
❓ Frequently Asked Questions
Q1: What is the difference between a 12 point flange head cap screw and a standard hex flange bolt?
A 12 point flange head cap screw features a 12-point star drive pattern that allows higher torque transmission without cam-out, plus an integrated flange that distributes load evenly. Standard hex flange bolts have a 6-point head and lower torque capacity.
Q2: What grade of 12 point flange screw do you recommend for heavy machinery?
For heavy machinery, we recommend Grade 12.9 (ASTM A574) with zinc-nickel plating. This offers tensile strength up to 1,220 MPa and excellent corrosion resistance.
Q3: What is your minimum order quantity (MOQ) for 12 point flange head cap screws?
Our standard MOQ is 2,000 pcs per size. For first-time buyers or sample orders, we offer 500 pcs with full traceability.
Q4: Do you provide free samples for testing?
Yes, we offer free samples (up to 20 pcs) for qualified buyers. You only pay shipping. Request via our form or WhatsApp.
Q5: How do you handle quality control for 12 point flange screws?
Every batch undergoes dimensional inspection (CMM), hardness testing (HRC), torque testing, and salt spray test. We provide 3.1 inspection certificates per EN 10204.
Q6: What shipping methods do you offer for international orders?
We ship via air freight (DDP, DAP), sea freight (FOB, CIF, DDP), and express courier (DHL, FedEx, UPS). Typical lead time: 5–10 days for air, 20–30 days for sea.
Q7: Can you customize the flange diameter or head height on a 12 point flange screw?
Absolutely. We offer full OEM/ODM customization for flange diameter, head height, thread length, and drive depth. Submit your drawing or sample for a quote.
Q8: What payment terms do you accept for international buyers?
We accept T/T (30% deposit, 70% before shipment), L/C, and PayPal for samples. For established clients, net 60 days may be available upon credit approval.
David has 18+ years in fastener design and global sourcing. He has audited over 120 factories across China and Europe, and serves as a technical advisor for ISO/TC 2. This article reflects his direct experience with 12 point flange screw production.
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📧 shuan@fastenboen.com · mary@fastenboen.com · grace@fastenboen.com · stella@fastenboen.com
✅ 100% factory-direct · ✅ Free samples for qualified buyers · ✅ 30-day money-back guarantee
