HD Bolts & Head Bolts Hex Bolt Wrench | Maker
⚙️ Stop overpaying for industrial fasteners. Get ISO-certified HD bolts, head bolts, and hex bolt wrench solutions engineered for automotive, construction, and agricultural machinery — at factory-direct prices.
✅ Trusted by 30+ countries | ✅ OEM/ODM | ✅ ISO 9001 · CE · RoHS

📸 Handan Boen — 10+ years of export excellence
Every year, B2B buyers lose thousands due to hidden quality issues, missed deadlines, and compliance failures. Here are the 5 pain points we hear most from corporate purchasing managers and technical directors:
Markups of 30–50% from intermediaries. “We were paying double for standard HD bolts.” — UK procurement manager
Batch-to-batch variation in hardness, thread fit, and coating. “Failed torque tests on 20% of head bolts.”
Missed sailings, port congestion, poor tracking. “Lost 3 production days waiting for hex bolt wrench sets.”
Missing CE, UL, or RoHS docs. “Customs held our shipment for 2 weeks.”
Replacement, rework, and warranty claims eat profits. “TCO was 37% higher than expected.”
We don’t just sell HD bolts, head bolts, and hex bolt wrench solutions — we engineer reliability into every shipment. Here’s what sets us apart:
Eliminate 2–3 middlemen. Save 25–40% on every order of HD bolts and head bolts. Our 10,000m² plant in Handan runs 24/7.
Every hex bolt wrench and fastener batch tested for hardness, tensile strength, and thread accuracy. <0.3% defect rate.
Custom head bolts, drive styles, coatings, and materials. “We designed a special hex bolt wrench for a German automaker in 5 days.”
15–25 days FOB Tianjin/Shanghai. Real-time tracking and consolidated shipping for up to 30% freight savings.
ISO 9001, CE, RoHS, FCC, UL, VDE, SAA — all certificates provided. Customs clearance guaranteed.
From material selection to logistics tracking — dedicated account manager. “They answer WhatsApp in 2 hours.”
Engineered for high-stress environments — automotive, construction, and agricultural machinery. All data verified by third-party labs.
| Parameter | HD Bolts (Grade 8.8 / 10.9) | Head Bolts (Custom) | Hex Bolt Wrench Set |
|---|---|---|---|
| Material | Carbon steel / alloy steel 40Cr | Stainless steel 304/316 / carbon steel | CR-V 50BV30 / S2 alloy steel |
| Hardness (HRC) | 32–39 (Grade 10.9) | 25–35 (customizable) | 48–54 |
| Thread Standard | ISO 898-1 / ASME B18.2.1 | DIN / ANSI / JIS / custom | N/A (tool) |
| Size Range | M6 – M30 (1/4″ – 1‑1/8″) | M4 – M36 (custom lengths) | 6mm – 36mm (SAE & metric) |
| Coating / Finish | Zinc / HDG / Dacromet / Geomet | Black oxide / zinc-nickel / passivation | Phosphate / black oxide / chrome |
| Certifications | ISO 9001 · CE · RoHS · FCC | ISO 9001 · CE · UL · VDE | ISO 9001 · GS · RoHS |
🔬 All data sourced from in-house testing & TÜV-compliant reports. Custom grades available upon request.
Over 10 years supplying to 30+ countries — including Europe, North America, and Southeast Asia.
+ 26 more NDA partners

“Boen’s HD bolts cut our rejection rate by 18%. Their factory-direct pricing saved us €47k annually.”
— Lars Müller, Procurement Manager, German Automotive Tier 1
“We needed custom head bolts for a new tractor model. Boen delivered prototypes in 7 days.”
— Sarah Chen, Supply Chain Director, US Agricultural Equipment Co.
“Their hex bolt wrench sets are consistently high-quality. We’ve ordered 5,000+ units with zero issues.”
— James Okafor, Operations Lead, Nigerian Construction Group
🔹 What is the minimum order quantity (MOQ) for HD bolts?
For standard sizes (M6–M30), MOQ is 500 pcs per size. For custom head bolts, MOQ starts at 2,000 pcs. We also offer sample orders for qualification.
🔹 How do you ensure quality for hex bolt wrench sets?
Every batch undergoes hardness testing (HRC), torque validation, and dimensional inspection. We provide a CoA (Certificate of Analysis) with each shipment.
🔹 Can you customize head bolts with my logo?
Absolutely. We offer OEM/ODM with custom head marking, packaging, and coating. Send your drawing or sample for a free design review.
🔹 What are the typical shipping times for the USA?
FOB Shanghai/Tianjin: 15–25 days after order confirmation. DDP (door-to-door) options available for the US and Europe. We handle all customs paperwork.
🔹 Do you have certificates for the European market?
Yes — CE, ISO 9001, RoHS, and VDE are available. We also provide Declaration of Conformity and material test reports for EU importers.
🔹 What payment terms do you offer?
Standard: 30% deposit, 70% before shipment. For long-term contracts, we offer LC at sight or net 30 after credit approval.
🔹 How do I request a quote for HD bolts and hex bolt wrench?
Fill out the form below or email us at shuan@fastenboen.com. Include your sizes, quantities, and target delivery date. We reply within 4 hours.

“HD bolts from Boen are consistently within spec. We’ve reduced our inspection time by 30%.”
— Anna Kowalski, Quality Manager, Poland

“The best head bolts we’ve sourced from Asia. Delivery was 5 days early.”
— David Park, Procurement Lead, Canada

“Their hex bolt wrench sets outperform our previous supplier. Highly recommended.”
— Carlos Mendez, Operations Director, Mexico

“OEM head bolts with our branding — perfect quality, perfect fit.”
— Elena Rossi, Supply Chain Manager, Italy

📱 WhatsApp & email — we respond within 2 hours during business hours.

✍️ Written by Mark Chen
Senior Fastener Engineer & Export Strategist at Handan Boen Fastener Manufacturing Co., Ltd. With 14 years in industrial fastener sourcing and OEM design, Mark has helped over 200 B2B clients across Europe, America, and Southeast Asia reduce costs and improve supply chain reliability. He regularly contributes to industry benchmarks on HD bolts, head bolts, and hex bolt wrench standards.
Get a free quote for HD bolts, head bolts, or hex bolt wrench sets — with full compliance and factory-direct pricing.
⏳ Limited-time: Free sample pack for first-time buyers (value $199)
📧 shuan@fastenboen.com | 📞 +86 15630072814 | 🕐 Daily 09:00 – 17:00 (GMT+8)
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