Rail Bolt & Roofing Bolts โ
Factory-Direct Round Head Bolt & Hook Bolt Solutions
โ Stop overpaying for unreliable fasteners. Our roofing bolts and roofing hook bolts meet ASTM/ISO standards โ direct from our Handan factory with 37% lower TCO for mid-market buyers.
๐ญ 10+ years export | 30+ countries | ISO 9001 ยท CE ยท RoHS

โ๏ธ Handan Boen โ 50,000+ sqm production base
๐ Quick Navigation
โ ๏ธ The Real Cost of Cheap Fasteners
Procurement managers lose up to 23% of project margin due to fastener failure, delayed shipments, and hidden tariffs. Sound familiar?
High Price, Low Value
European suppliers charge 2-3x more for the same rail bolt grade. You pay for brand, not quality.
Inconsistent Quality
One batch of roofing bolts passes, the next fails. No traceability, no certification โ rework costs eat your savings.
Shipping & Tariff Chaos
Split shipments, surprise duties, 6-week lead times. Your roofing hook bolts arrive after the roofer has left.
Spec Non-Compliance
Your round head bolt doesnโt match the drawing. No OEM support, no testing report โ liability falls on you.
๐ You need a partner with factory control, global compliance, and same-day quoting. Thatโs us.
๐ญ Rail Bolt, Roofing Bolts, Roofing Hook Bolts, Round Head Bolt โ Factory Engineered
Every product is made in our Handan plant with full material traceability, ISO 9001 quality gates, and OEM/ODM design support.
Powerful Factory
50,000+ sqm, 120+ CNC machines, 8 heat-treatment lines. Capacity: 800 tons/month for rail bolt and roofing bolts.
Quality Assurance
ISO 9001, CE, RoHS, FCC. 100% dimensional inspection for round head bolt batches. Salt spray & tensile test reports included.
OEM/ODM Design
Custom roofing hook bolts with your logo, packaging, and coating. Free DFM feedback in 48 hours.
High-Speed Delivery
15-25 days for standard orders. Ex-works or DDP to USA/Europe. Real-time tracking via ERP portal.
๐ Technical Specifications โ Rail Bolt, Roofing Bolts, Roofing Hook Bolts, Round Head Bolt
| Product | Grade / Material | Size Range | Coating / Finish | Certification |
|---|---|---|---|---|
| Rail Bolt | 8.8 / 10.9 / 12.9 Alloy Steel | M16 โ M30 | HDG / Dacromet / Black Oxide | ISO 898-1, AREMA |
| Roofing Bolts | 304 / 316 Stainless, Carbon Steel | M6 โ M20 | Zinc Plated / PTFE / Passivated | ASTM F593, CE |
| Roofing Hook Bolts | Q235 / 45# Steel, Hot-Dip Galv. | M8 โ M24, L=60โ300mm | HDG / Electro-Galvanized | ISO 1461, BS 4190 |
| Round Head Bolt | 4.6 / 5.6 / 8.8 Carbon Steel | M5 โ M36 | Plain / Zinc / Sherardized | DIN 603 / ISO 8677 |
๐ฌ All products come with mill test certificate (MTC) and third-party inspection available.
Railway Tracks & Turnouts
Rail bolt for frog & switch assemblies
Metal Roofing & Cladding
Roofing bolts + roofing hook bolts for purlin attachment
General Construction
Round head bolt for handrails, brackets, structural steel
Agricultural Machinery
Custom hook bolts for tine & harrow assembly
๐ Need a specific grade or drawing? Send your RFQ โ
โ Frequently Asked Questions
๐น What grades of rail bolt do you offer?
We supply 8.8, 10.9, and 12.9 alloy steel rail bolts per ISO 898-1, with HDG, Dacromet, or black oxide finish. Custom lengths and head markings are available for OEM orders.
๐น Can you manufacture roofing hook bolts with a custom bend angle?
Yes. Our roofing hook bolts are available in 45ยฐ, 90ยฐ, or custom angles. We use hot-dip galvanized or electro-galvanized finish per ISO 1461. Send your drawing for a free DFM review.
๐น What is the minimum order quantity (MOQ) for round head bolt?
Standard MOQ is 2,000 pcs per size. For trial orders or stock-keeping items, we can accommodate 500 pcs at a slightly higher unit price. We also offer sample service (5-10 pcs free, freight collect).
๐น How do you ensure quality for roofing bolts before shipment?
We follow a 3-stage QC: incoming material inspection (chemical & mechanical), in-process dimensional check (every 200 pcs), and final random sampling per AQL 2.5. MTC and inspection videos are shared before shipment.
๐น What are your typical lead times and shipping terms?
15-25 days for standard production. We offer EXW, FOB, CIF, and DDP to USA/Europe. For urgent orders, express options (DHL/FedEx) are available in 7-10 days.
๐น Do you provide after-sales support for roofing hook bolts and other products?
Absolutely. We offer 12-month warranty against manufacturing defects. Our technical team is available via WhatsApp/email for installation guidance. Any quality issue is resolved within 48 hours with a replacement or credit.
๐น Which certifications do you hold for rail bolt and round head bolt?
We are ISO 9001:2015 certified. Our products carry CE, RoHS, FCC, and UL compliance. For specific rail applications, we can provide AREMA or BS standard certifications upon request.
๐น How do I request a quote or sample?
Simply fill our contact form or email shuan@fastenboen.com. Include your drawing or specs, and weโll reply with a detailed quotation within 12 hours. Free samples are available for qualified buyers.
Limited-Time Factory Price โ Save up to 18%
Quote request before next Friday and get free DDP shipping on your first order of rail bolt or roofing bolts.
๐ง Email: shuan@fastenboen.com | mary@fastenboen.com | grace@fastenboen.com | stella@fastenboen.com
๐ Hanguang Industrial Park, Yongnian District, Handan, Hebei, China | ๐ Daily 09:00 โ 17:00
โญ What Our Clients Say About Us

โโ Thomas Wagner
CEO, Wagner Bau GmbH, Germany
โWeโve been sourcing rail bolt and round head bolt from Boen for 3 years. Their quality consistency and on-time delivery are unmatched. Highly recommend for European buyers.โ

โโ James Rodriguez
Project Manager, Texas Rail Solutions, USA
โTheir roofing hook bolts saved our project timeline. Fast shipping, correct specs, and great communication. Weโve already placed 4 repeat orders.โ

โโ Priya Sharma
Supply Chain Head, InfraBuild India
โRoofing bolts from Boen helped us reduce our fastener budget by 27% YoY. The team is responsive and OEM customization is seamless. A true partnership.โ

โ๏ธ Written by Zhang Wei โ Senior Fastener Engineer & Export Quality Lead
With 14 years at Handan Boen Fastener, Zhang oversees technical compliance for rail bolt, roofing bolts, roofing hook bolts, and round head bolt production. He has personally audited 200+ production lines and helped 80+ global clients optimize their fastener specifications. His insights are backed by ISO 9001 lead auditor certification and a degree in Mechanical Engineering from Hebei University of Technology.

๐ Trusted by Industry Leaders Worldwide
๐ญ CNC machining center โ precision round head bolt threading
๐ฅ Heat-treatment furnace โ consistent hardness for roofing bolts
๐ ISO 9001 ยท CE ยท RoHS ยท FCC โ full compliance documentation
โWe switched our rail bolt supply to Boen โ 32% cost reduction with zero quality rejects in 8 months. Their MTC reports are impeccable.โ
โ David Chen
Procurement Director, Asia Rail Corp
โTheir roofing hook bolts saved us 3 weeks of lead time vs. our previous supplier. OEM packaging was spot-on.โ
โ Michael O'Brien
Operations Manager, Dublin Roofing Ltd
โRound head bolt M24 x 160 โ 50,000 pcs delivered on time, every batch passed third-party inspection. Reliable partner.โ
โ Sarah Klein
Supply Chain Manager, BauPro GmbH
๐ฌ Real-time client communication โ same-day response, 24/7 support