10 MM Bolt & 10.9 Bolt 10mm Bolt 10x1.25 Bolt 12 MM Bolt | Wholesale

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10 mm Bolt & 10.9 Bolt · 10x1.25 Bolt · 12 mm Bolt
Factory-Direct Wholesale – Save 25–40%

Stop overpaying for standard fasteners. Get ISO 898-1 grade 10.9 bolts – M10×1.25, M12×1.75, 10mm diameter – precision-made for automotive, construction & agri machinery. 30% lower TCO vs. European distributors.

📦 Get Free Quote in 24h 📞 +86 156 3007 2814

✓ MOQ from 500 pcs | ✓ Free samples available | ✓ Ship to 30+ countries

🔴 The real cost of "cheap" 10mm & 12mm bolts

Every procurement manager knows the pain. You source a 10 mm bolt from a low-cost supplier, but the batch fails torque testing. Or you pay a premium for a European brand, and your margin shrinks. Here are the six real frustrations we hear every week:

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Inconsistent hardness

Grade 10.9 bolts that measure only 8.8 on the Rockwell scale. 37% of rejections in our lab come from sub‑surface decarburisation.

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Wrong thread pitch

A 10x1.25 bolt that arrives as 10×1.5 – shuts down your assembly line. 2–3 days lost while you return and reorder.

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Hidden shipping costs

European distributors add 18–35% markup for warehousing and freight. You pay for inventory you don't need.

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Missing compliance docs

No EN 14399 or ISO 898-1 declaration. Your QA team blocks the shipment. 30% of buyers report delayed projects due to missing certificates.

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Long lead times

12–16 weeks from European mills. You carry 60 days of safety stock – tying up capital that could be used elsewhere.

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MOQ lock-in

"You need 50,000 pieces? Sorry, minimum is 200,000." Small and mid‑size buyers get squeezed out of the best prices.

⬇️ The result? Your total cost of ownership is 40% higher than it should be. There is a better way.

✅ Engineered 10.9 bolt & 10mm bolt – factory direct

Handan Boen Fastener (est. 2010) supplies ISO 898-1 grade 10.9 bolts in M10×1.25, M10×1.5, M12×1.75, and custom dimensions. Our one‑stop service covers material selection, heat treatment, surface finish, and logistics. Here is how we deliver 30% lower TCO:

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Powerful in‑house manufacturing

8 cold‑heading lines, 4 CNC threading machines, and a 120‑tonne weekly capacity. Every batch of 10mm bolt is 100% dimensionally checked.

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Quality assurance you can trust

Tensile testing, hardness (HRC 32–39), and salt‑spray (≥72h). ISO 9001, CE, RoHS – full documentation with every shipment.

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OEM/ODM design support

Need a 10x1.25 bolt with a flanged head, or a custom 12 mm bolt with a reduced shank? Our engineering team delivers samples in 7–10 days.

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High‑speed delivery

Stock sizes (M10×1.25, M12×1.75) ship within 7–10 working days. Air freight available for urgent orders. 30% faster than industry average.

📊 Technical specifications – 10 mm bolt & 12 mm bolt range

Parameter	M10×1.25 (10 mm bolt)	M10×1.5 (10x1.25 bolt)	M12×1.75 (12 mm bolt)	Grade 10.9 requirements
Diameter	10.0 mm	10.0 mm	12.0 mm	±0.15 mm (ISO 4759-1)
Thread pitch	1.25 mm	1.5 mm	1.75 mm	6g tolerance
Grade / strength	10.9	10.9	10.9	Min. 1040 MPa tensile
Material	40Cr / 35CrMo	40Cr / 35CrMo	40Cr / 35CrMo	Boron steel optional
Hardness (HRC)	32–39	32–39	32–39	ISO 898-1:2013
Finish	Zinc / HDG / Dacromet	Zinc / HDG / Dacromet	Zinc / HDG / Dacromet	≥72h salt spray (Zn)
Certification	ISO 9001, CE, RoHS	ISO 9001, CE, RoHS	ISO 9001, CE, RoHS	EN 14399 / DIN 933

*Custom lengths (16–200 mm) available. Free technical datasheet with every quotation.

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Agricultural machinery

M10×1.25 bolts for harvester blade mounts

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Construction & structural

12 mm bolt for steel beam connections

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Automotive assembly

10.9 bolt used in chassis & suspension

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General industrial

10mm bolt for conveyor systems & frames

❓ Frequently asked questions – 10 mm bolt & 10.9 bolt wholesale

What is the difference between a 10 mm bolt and a 10.9 bolt?

10 mm bolt refers to the nominal diameter (M10). 10.9 bolt is the grade – indicating a minimum tensile strength of 1040 MPa. A 10.9 bolt can be a 10 mm bolt, but not all 10 mm bolts are grade 10.9. We supply M10×1.25 and M10×1.5 in grade 10.9 as standard.

What does 10x1.25 bolt mean?

A 10x1.25 bolt has a 10 mm diameter and a thread pitch of 1.25 mm. This fine pitch is common in automotive and vibration‑sensitive applications. We stock M10×1.25 in grade 10.9 with various lengths.

Can you supply 12 mm bolt in grade 10.9 with HDG finish?

Yes. Our 12 mm bolt (M12×1.75) is available in grade 10.9 with hot‑dip galvanized (HDG) finish, salt‑spray tested to ≥200h. We also offer Dacromet and zinc‑lamella coatings.

What is the minimum order quantity for 10mm bolt wholesale?

Our standard MOQ is 500 pieces per size. For mixed sizes or long‑term contracts, we can negotiate lower MOQs. We specifically serve small and mid‑size buyers who need flexible volumes.

How do you ensure quality for 10.9 bolt shipments?

Every batch of 10.9 bolt is tested for tensile strength, hardness (HRC 32–39), and thread gauge (6g). We provide ISO 9001, CE, RoHS certificates, and a full mill test report with each shipment.

What shipping options do you offer for 12 mm bolt orders?

We ship via sea freight (FOB/CIF), air freight, and express (DHL/FedEx). For a standard 12 mm bolt order, sea freight takes 20–25 days to US/Europe, air freight 5–7 days. Free tracking for all orders.

Can I get free samples of 10mm bolt or 10x1.25 bolt?

Absolutely. We offer free samples (up to 5 pcs) for any size, including 10mm bolt, 10x1.25 bolt, and 12 mm bolt. You only pay the shipping cost. Samples are dispatched within 3 working days.

Do you support OEM/ODM for custom bolts?

Yes. Our engineering team can design custom 10 mm bolt, 12 mm bolt, or any grade 10.9 fastener with special head, shank, or coating. Sample lead time: 7–10 days. Send us your drawing or specification.