M2 5 Cap Screw & M2 5 Socket Head Cap Screw | Buy
Cut procurement costs by 37% without compromising on tensile strength, thread accuracy, or delivery speed. Engineered for automotive, agricultural machinery & construction – ISO 9001 certified.
📦 Get Free Quote in 24h & Free Sample Kit✅ No minimum order for first‑time buyers · 30‑day money‑back guarantee
Many distributors add 40–60% markup on m2 5 socket head cap screw. A European buyer recently paid €0.38/piece – we offer the same grade at €0.12.
A 2025 industry survey showed 23% of M2.5 cap screws from non‑audited factories fail torque testing. Our 100% inspection ensures zero defects.
Ocean freight volatility hit +18% in 2025. We consolidate orders and offer DDP (Delivered Duty Paid) – no surprises at the port.
Typical lead time for m2 5 cap screw from Chinese mills is 45–60 days. Our 20‑day express line cuts downtime for maintenance teams.
You’re not alone – 70% of purchasing managers report at least one of these issues. See how we fix them →
No middlemen. Our m2 5 cap screw starts at $0.09/pc (grade 12.9 alloy steel).
Thread pitch, head height, and hardness verified per DIN 912 / ISO 4762.
M2.5 socket head cap screws in 20 working days for standard specs. Urgent? 10‑day rush available.
We ship to 30+ countries. DDP terms available – no customs hassle for you.
ISO 9001, CE, RoHS, and material test reports (MTR) included with every batch.
Need a custom head mark, special coating (Zn, Ni, Dacromet), or non‑standard length? We design it.
| Parameter | M2.5 Cap Screw | M2.5 Socket Head Cap Screw |
|---|---|---|
| Thread size | M2.5 x 0.45 | M2.5 x 0.45 |
| Head diameter | 4.5 – 5.0 mm | 4.5 – 5.0 mm |
| Head height | 2.5 – 3.2 mm | 2.5 – 3.2 mm |
| Drive type | Hex socket (Allen) | Hex socket (Allen) |
| Material grades | 12.9 alloy steel, A2‑70 stainless, A4‑80 | 12.9 alloy steel, A2‑70 stainless, A4‑80 |
| Surface finish | Black oxide, zinc, Ni, Dacromet | Black oxide, zinc, Ni, Dacromet |
| Tensile strength (min) | 1,220 MPa (12.9) | 1,220 MPa (12.9) |
| Standards | DIN 912, ISO 4762, ASME B18.3 | DIN 912, ISO 4762, ASME B18.3 |
| Length range | 4 – 40 mm | 4 – 40 mm |
✅ Full material test reports (MTR) and certificate of conformity provided with every shipment.
Handan Boen Fastener (est. 2010) operates 3 automated cold‑heading lines dedicated to small‑diameter precision screws. Every m2 5 cap screw is produced under ISO 9001 quality management.


Trusted by OEMs & distributors worldwide


“We switched from a local distributor to Boen for m2 5 socket head cap screw. Saved 42% on material cost and the thread quality is superior. DDP delivery saved us customs paperwork.”
★★★★★
“The 20‑day lead time is real. We ordered 50k pcs of m2 5 cap screw and they arrived 3 days early. Zero defects out of the box.”
★★★★★
“We needed a custom head stamp for our brand. Boen’s OEM team delivered m2 5 socket head cap screw with our logo in 12 days. Excellent communication.”
★★★★★

We respond to inquiries within 2 hours (business hours).

David Liang – Senior Fastener Engineer, Handan Boen Fastener
14 years in precision threading & cold‑heading. I personally oversee every M2.5 production run to ensure DIN/ISO conformance and zero‑defect shipping.
Limited‑time: Free sample pack (200 pcs) for first‑time buyers + instant quote in 24h.
✅ 30‑day money‑back guarantee · ISO 9001 · DDP shipping worldwide
Hanguang Industrial Park, Yongnian District, Handan, Hebei, China · Daily 09:00–17:00