Galvanized Hex Screws & Hex Bit Screws Hex Bolt Screw | Maker
Cut procurement costs by 30–45% · ISO 9001 · 10+ years export to 30+ countries · OEM/ODM ready · Free samples for qualified buyers
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Real issues corporate buyers face every day — and how we solve them.
High price, low value — You pay 30–50% more for branded fasteners that have the same raw material cost. Our factory-direct galvanized hex screws save you 35% on average.
Unreliable quality — Inconsistent hardness, plating defects, thread damage. Our hex bit screws undergo 100% dimensional inspection and salt spray testing.
High shipping costs — LTL and express courier fees eat your margins. We consolidate orders into full containers, cutting freight cost per unit by 40%.
Long lead times — 8–12 weeks from order to delivery? We ship standard hex bolt screw items in 15–25 days.
Compliance headaches — Missing certifications, incomplete documentation. We provide CE, ISO 9001, RoHS, and full mill test reports with every shipment.
Poor after-sales — No response to claims, slow replacement. We offer a 100% satisfaction guarantee and 24/7 English support.
Powerful factory · Quality assurance · OEM/ODM design · High-speed delivery
50,000 sqm production base, 200+ employees, 120+ cold forging presses. Annual output of 8,000+ tons of fasteners.
ISO 9001, CE, RoHS. 100% dimensional check, hardness test, and 72h salt spray on every batch of galvanized hex screws.
Custom head markings, special coatings, stainless steel or alloy steel grades. Your hex bit screws, your specs.
Standard 15–25 days for stock items. Express air freight available for urgent orders. 30+ countries served.
Factory-direct pricing eliminates middlemen. Typical savings: 30–45% vs. European or US distributors.
From material selection to logistics tracking. Dedicated account manager for every corporate client.
All data verified by in-house lab. Third-party testing available upon request.
| Parameter | Galvanized Hex Screws | Hex Bit Screws | Hex Bolt Screw |
|---|---|---|---|
| Material Grade | Carbon steel 4.8 / 8.8 / 10.9, stainless steel 304 / 316 | Alloy steel 10.9 / 12.9, stainless steel 304 / 316 | Carbon steel 4.8 / 8.8 / 10.9, ASTM A307 / A325 |
| Thread Size Range | M6 – M30 (1/4″ – 1-1/8″) | M4 – M20 (5/32″ – 3/4″) | M8 – M48 (5/16″ – 1-3/4″) |
| Plating / Coating | Hot-dip galvanized (HDG), electro-galvanized, Dacromet | Zinc plated, black oxide, phosphate, nickel | HDG, zinc, plain, hot-dip galvanized |
| Hardness (HRC) | 22–32 (grade 8.8), 32–39 (grade 10.9) | 38–44 (grade 12.9) | 22–32 (grade 8.8), 32–39 (grade 10.9) |
| Salt Spray Resistance | 72–120 hours (HDG: 200+ hours) | 48–72 hours (zinc), 120+ hours (Dacromet) | 72–200 hours depending on coating |
| Certifications | ISO 9001, CE, RoHS, reach | ISO 9001, CE, RoHS | ISO 9001, CE, RoHS, ASTM |
*Custom grades and coatings available for OEM/ODM orders. Minimum order quantity: 500 pcs for standard sizes.
Where our hex bolt screw and galvanized hex screws deliver measurable results.
Client: German tractor parts distributor
Product: M16 galvanized hex screws, grade 8.8
Result: 37% cost reduction, 0 ppm defect rate over 12 months. 20,000 pcs shipped monthly.
Client: US-based steel building contractor
Product: M24 hex bolt screw, HDG, ASTM A325
Result: 42% savings vs. local supplier. 15-day delivery, full traceability reports.
Client: Tier-1 automotive supplier in Poland
Product: M8 hex bit screws, 10.9, black oxide
Result: 28% faster assembly due to consistent drive fit. 99.8% on-time delivery.
🔹 What is the minimum order quantity (MOQ) for galvanized hex screws?
Our standard MOQ is 500 pcs per size for stock items. For OEM/ODM custom orders, MOQ is 2,000 pcs. We can discuss smaller trial orders for first-time buyers.
🔹 Do you offer free samples for quality evaluation?
Yes, we provide free samples for qualified buyers. You pay only the shipping cost (typically $30–$60 via DHL/UPS). Request your sample today.
🔹 How long does shipping take to the USA or Europe?
Standard sea freight: 25–35 days to US West Coast / 30–40 days to EU. Express air freight: 5–7 days. We also offer split shipping options for urgent orders.
🔹 Can you customize the head marking or packaging?
Absolutely. We can stamp your logo, grade, or custom code on the head. Packaging options include bulk bags, boxes, or private-label retail packaging. OEM/ODM is our specialty.
🔹 What payment methods do you accept?
We accept T/T bank transfer, L/C (letter of credit), and PayPal for smaller orders. For corporate accounts, net 30/60 terms may be available after credit evaluation.
🔹 How do you ensure quality control?
We follow a 3-step QC process: incoming raw material inspection, in-process checks, and final outgoing inspection. 100% dimensional and hardness testing is performed on every production batch. Mill test reports are included.
🔹 What is the difference between hex bolt screw and hex bit screw?
A hex bolt screw has an external hex head driven by a wrench, while a hex bit screw has an internal hex (Allen) drive. Both are available in galvanized finishes. We produce both to ISO and ASTM standards.
🔹 Do you have distributors in the USA or Europe?
We work directly with importers and distributors. We also offer dropshipping and consolidation services to reduce your freight costs. Contact us for a logistics proposal.

“We use Boen’s galvanized hex screws in our offshore wind turbine platforms. The corrosion resistance is outstanding — 200h salt spray passed with zero red rust.”
— Thomas K., Senior Engineer, Norway

“We switched from a German supplier to Boen for hex bolt screws. Same quality, 44% less cost. Their team helped us with the transition. Highly professional.”
— Anika S., Purchasing Lead, Netherlands

“The hex bit screws we ordered for our assembly line fit perfectly every time. No stripping, no rework. 15,000 pcs delivered in 18 days. Impressive.”
— Carlos R., Operations Manager, Mexico

“We run a large agricultural equipment factory in France. Boen supplies us with M16 galvanized hex screws. Consistent quality, competitive pricing. 5-year partnership.”
— Jean-Pierre L., Factory Director, France

“The OEM service is excellent. We got our custom hex bolt screws with our brand logo, special coating, and customized packaging. Very responsive team.”
— David M., Product Manager, UK

“Fast shipping, great communication, and the products are exactly as specified. We’ve already placed 3 repeat orders. Trustworthy partner.”
— Elena V., Supply Chain Manager, Italy

✍️ About the Author
This article was written by Chen Wei, Senior Technical Engineer at Handan Boen Fastener Manufacturing Co., Ltd. With 14 years of experience in fastener design and export, Chen has helped over 200 corporate clients across 30+ countries select the right galvanized hex screws, hex bit screws, and hex bolt screw solutions. He is a certified ISO 9001 internal auditor and a member of the China Fastener Industry Association.
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📧 shuan@fastenboen.com | mary@fastenboen.com
📱 WhatsApp: +86 156 3007 2814 | +86 132 9307 0568
📍 Hanguang Industrial Park, Yongnian District, Handan, Hebei, China
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Our partners include:
“We switched to Boen for our M20 galvanized hex screws. The quality is consistent, and we saved 41% on annual spend. Their team handles our ERP integration seamlessly.”
— Lars H., Procurement Manager, Denmark
“The hex bit screws we ordered were delivered in 18 days — 2 weeks faster than our previous supplier. Zero defects in 15,000 pcs. Highly recommend.”
— Maria G., Operations Director, Spain