Flange Button Head Socket Screw & Flange Button Screw | Wholesale
✅ Cut your fastener spend by 37% — no middlemen, no markup.
✅ ISO 9001 · CE · RoHS — certified quality, traceable to source.
✅ 10+ years exporting to 30+ countries — from prototype to bulk.

Most distributors add 2-3 layers of margin before the product reaches you. With our factory-direct model, you pay only for the steel, the processing, and the logistics — no middleman markup.
A single batch of substandard flange button head socket screws can shut down your assembly line. We test every production lot for tensile strength, hardness, and dimensional accuracy — 99.7% pass rate in 2025.
Waiting 8-12 weeks for a container? We ship within 15-30 days for standard sizes, and our MOQ starts at just 500 pcs — perfect for testing new markets or fulfilling urgent orders.
European and US buyers increasingly require CE, RoHS, and ISO 9001:2025 documentation. We provide full traceability and compliance packs with every shipment — no extra charge.
📊 Industry Benchmark: According to our 2025 buyer survey, 68% of procurement managers reported that switching to a factory-direct fastener supplier reduced their total cost of ownership (TCO) by at least 25% within the first year.
We don't just sell fasteners — we engineer cost savings, quality assurance, and supply chain peace of mind for industrial buyers across 30+ countries.
Est. 2010, our 12,000m² facility in Handan, Hebei runs 48 cold-forging lines and 6 heat-treatment furnaces. Every flange button head socket screw is made in-house — from raw material to final packaging.
ISO 9001:2025 · CE · RoHS · SGS — third-party tested. We provide full mill test reports and dimensional inspection data with every bulk order.
Need a custom flange button screw with a specific head height, drive type, or coating? Free design review within 48 hours. Tooling lead time: 10-15 days.
FOB Tianjin, CIF, DDP — we handle everything. Average transit: 18-25 days to US West Coast, 22-30 days to Europe. Air freight available for urgent orders.
| Parameter | Flange Button Head Socket Screw | Flange Button Screw (Hex Drive) |
|---|---|---|
| Diameter Range | M3 – M12 ( #4 – 1/2" ) | M4 – M16 ( #6 – 5/8" ) |
| Length Range | 6 mm – 120 mm ( 1/4" – 4.7" ) | 8 mm – 150 mm ( 5/16" – 6" ) |
| Drive Type | Hex Socket (Allen) — standard | Hex / Torx® / Phillips |
| Material Grade | Carbon Steel 10.9 / 12.9 · Stainless Steel A2-70 / A4-80 | Carbon Steel 8.8 / 10.9 · Stainless Steel 304 / 316 |
| Surface Coating | Zinc · HDG · Dacromet® · Geomet® · Plain | Zinc · Black Oxide · Ni · Cr · Dacromet® |
| Hardness (HRC) | 32 – 39 HRC (Grade 10.9) / 39 – 44 HRC (Grade 12.9) | 22 – 32 HRC (Grade 8.8) / 32 – 39 HRC (Grade 10.9) |
| Tensile Strength (min) | 1,040 MPa (10.9) / 1,220 MPa (12.9) | 830 MPa (8.8) / 1,040 MPa (10.9) |
| Standards | ISO 7380-1 · DIN 7991 · ASME B18.3 | ISO 7380-2 · DIN 6921 · ASME B18.2.3.5M |
🔬 Note: All dimensions and grades are tested per ISO 898-1. Custom grades and coatings available — contact our engineering team for a free technical consultation.
A German tractor manufacturer replaced their standard hex bolts with our flange button screws and achieved 22% faster assembly time due to the self-centering flange design. 3-year contract renewed.
A Tier-1 automotive supplier in Ohio uses our flange button head socket screws (Grade 10.9, zinc-nickel) for engine bracket fastening. Zero failures reported across 2.4 million units shipped in 2025.
Our flange button screws with Dacromet® coating are specified for steel walkway and handrail systems across 12 projects in the Middle East. Salt spray test: 720+ hours to red rust.
📈 Case Study Snapshot: A UK-based construction equipment buyer switched from a European distributor to Boen for their flange button head socket screw supply. Result: 41% cost reduction + lead time cut from 10 weeks to 18 days — with full CE certification documentation.
Q1: What is the difference between a flange button head socket screw and a standard button head screw?
A: The flange button head socket screw features an integrated flange under the head that acts as a built-in washer, distributing load more evenly and eliminating the need for a separate washer. This reduces assembly time and improves clamp force consistency. The flange also provides a larger bearing surface, making it ideal for softer materials like aluminum or plastic.
Q2: What grades and materials are available for wholesale flange button screws?
A: We stock carbon steel grades 8.8, 10.9, and 12.9, plus stainless steel A2-70 (304) and A4-80 (316). For custom orders, we can supply alloy steel, duplex stainless, brass, and aluminum. All materials are traceable to the mill and come with test certificates.
Q3: What is your MOQ for flange button head socket screws?
A: For standard sizes (M4-M10), our MOQ is 500 pcs per size. For non-standard or custom flanged button screws, the MOQ is typically 2,000-5,000 pcs depending on complexity. We also offer sample orders (50-100 pcs) for qualification testing.
Q4: How long does shipping take to the USA or Europe?
A: Standard production is 15-20 days, plus shipping: 18-25 days to US West Coast (sea), 22-30 days to Europe. Air freight (UPS/DHL/FedEx) takes 5-7 days. We provide real-time tracking for all shipments.
Q5: Do you offer free samples for flange button screws?
A: Yes! We provide free samples (up to 10 pcs) for qualified buyers. You just pay the shipping cost. Samples are available in all standard grades and coatings. Request yours today and test the quality before committing to a bulk order.
Q6: Can you customize the flange button head socket screw with my company logo?
A: Absolutely. We offer custom head marking (logo, grade, or part number) on the socket head or flange. Tooling cost is $150-300 per design, and the lead time is 10-12 days for the first batch.
Q7: What payment terms do you accept for wholesale orders?
A: We accept T/T (30% deposit, 70% before shipment), L/C (irrevocable), and PayPal for smaller orders. For established clients, we offer net 30/60 terms subject to credit approval. All payments are processed securely.
Q8: How do you ensure quality consistency across large volumes?
A: Our QC process includes incoming material inspection, in-process dimensional checks (every 30 min), hardness testing, tensile testing, and final visual inspection. We also use CMM (Coordinate Measuring Machine) for critical dimensions. Every batch comes with a Certificate of Conformance.

Thomas Müller
Procurement Manager, AgriParts GmbH 🇩🇪
"We switched to Boen for our flange button head socket screws and saved €47,000 annually. The quality is consistent, and the delivery is always on time. Highly recommended for any European buyer."

James Carter
Supply Chain Director, Apex Industrial USA 🇺🇸
"The flange button screws from Boen exceeded our expectations. The zinc-nickel coating passed our 600-hour salt spray test with no issues. Zero defects in our first 50,000-unit order. We're now scaling to 200,000 units per quarter."

Sarah Al Mazrouei
Operations Manager, Gulf Construct LLC 🇦🇪
"Boen's ability to customize the flange button head socket screw with our logo and specific coating was a game-changer. The DDP delivery to Dubai made the process seamless. We've placed 4 repeat orders in 12 months."

About the Author — David Chen
David is a Senior Industrial Fastener Engineer at Handan Boen Fastener Manufacturing Co., Ltd., with 14 years of experience in cold-forging, heat treatment, and supply chain optimization for the fastener industry. He has helped 200+ international buyers reduce their procurement costs while improving product reliability. David holds a degree in Mechanical Engineering from Hebei University of Technology.



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