M4 Socket Screws & M4 x 10mm Socket Head Cap Screw | Buy
High-Strength M4 Socket Screws & M4 x 10mm Socket Head Cap Screw
Cut procurement costs by 30% without compromising on 12.9 grade tensile strength (โฅ1220 MPa). Reliable, traceable, and ready for high-precision automotive & industrial assemblies.
โ ISO 9001:2015 | โ DIN 912 / ISO 4762 | โ RoHS & REACH Compliant
The True Cost of Compromising on M4 Socket Screws
If you are sourcing m4 socket screws purely on price, you are likely facing hidden risks that erode your bottom line.
Inconsistent Hardness & Breakage
Substandard heat treatment leads to brittle heads. A single M4 x 10mm socket head cap screw failure can halt a production line costing $2,000+/minute.
Non-Compliant Dimensions
Off-spec hex socket depth or thread pitch causes assembly jams, stripped drivers, and rework rates exceeding 12% in automated lines.
Shipping & Lead Time Chaos
Split shipments, incorrect documentation, and 45+ day lead times from unreliable brokers create inventory shortages and emergency expediting fees.
Missing Certification & Traceability
Without mill certificates or ISO 898-1 compliance, you risk supplier audits and liability issues in safety-critical applications.
Why Boen Fastener Is Your Trusted Partner for M4 Socket Screws
We don't just sell fasteners โ we engineer reliability into every m4 x 10mm socket head cap screw we ship.
Powerful Factory Direct
Located in Hebei, China's fastener hub. 10+ production lines, 500+ tons monthly capacity. 30% lower cost than intermediary traders.
100% Quality Assurance
Every batch undergoes Rockwell hardness, tensile (โฅ1220 MPa), and dimensional inspection. COC & full traceability provided.
OEM/ODM Customization
Need a custom length, coating (zinc, Dacromet, PTFE), or special packaging? We design m4 socket screws to your exact print.
High-Speed Delivery
Stock sizes ship within 7 days. Production orders in 15-25 days. Air freight available for urgent needs.
Global Logistics Expertise
We handle all documentation (COO, packing list, bill of lading). DDP terms available for USA & Europe โ no surprise duties.
One-Stop Service
From material selection (SWRCH45K, 304SS, 316SS) to logistics tracking โ a dedicated account manager handles your order.
M4 x 10mm Socket Head Cap Screw โ Technical Specifications
Precision data for engineering validation. All parameters comply with DIN 912 / ISO 4762.
| Parameter | Value | Notes |
|---|---|---|
| Thread Diameter | M4 (4.0 mm) | Coarse thread (0.7 mm pitch) |
| Length | 10 mm (0.394 in) | Tolerance: ยฑ0.3 mm |
| Head Diameter | 7.0 mm | Cylindrical head, chamfered |
| Head Height | 4.0 mm | Standard socket head profile |
| Hex Socket Size | 3.0 mm (Hex Key) | DIN 912 standard depth |
| Grade / Material | 12.9 Alloy Steel / A2-70 SS | Carbon steel: 38-44 HRC |
| Tensile Strength | โฅ 1220 MPa | Grade 12.9 standard |
| Surface Finish | Black Oxide / Zinc Plated / HDG | Salt spray test up to 720h |
| Packaging | Bulk / Box / Custom Label | Barcode tracking available |
Why Choose This Specification?
- โ 12.9 Grade โ Highest strength for metric socket screws.
- โ Precision Thread โ 6g tolerance for smooth assembly.
- โ Full Traceability โ Heat number stamped on every batch.
- โ Stock Available โ M4 x 10mm ships in 24h for sample orders.
๐ Need a custom length? We offer M4 from 4mm to 60mm.
Frequently Asked Questions โ M4 Socket Screws
Quick answers to common procurement inquiries.
โ What is the lead time for M4 x 10mm socket head cap screws?
Standard stock sizes ship within 7 business days. For large production orders (100k+), lead time is 15-25 days. We offer air freight for urgent requirements.
โ Do you offer custom packaging for M4 socket screws?
Yes. We provide OEM/ODM packaging including private labeling, barcode scanning, bulk boxes, and poly bagging. Just send your packaging specification.
โ How do you ensure the quality of M4 hex socket screws?
Every batch is tested for hardness (HRC), tensile strength (MPa), and dimensional accuracy using automated optical inspection. We provide a Certificate of Conformance (COC) with every shipment.
โ What is the MOQ for M4 socket head cap screws?
For standard M4 x 10mm 12.9 grade, our MOQ is 5,000 pieces for stock items. For custom sizes or coatings, MOQ is 50,000 pieces. Free samples are always available for evaluation.
โ Can you provide a Certificate of Conformance (COC) for 12.9 grade M4 socket screws?
Absolutely. We provide mill certificates, COC, and test reports from our accredited lab. Full traceability is maintained from raw material to finished product.
โ What is the shipping cost for M4 socket screws to the USA/Europe?
Shipping costs depend on quantity and destination. We offer FOB, CIF, and DDP terms. On average, DDP to the USA is 5-8% of order value. Contact us for a precise landed cost.
โ Do you offer OEM services for M4 socket screws?
Yes. We specialize in custom fasteners. Send us your drawing or sample, and our engineering team will provide a complete solution, including material selection, heat treatment, and coating.
What Our Customers Say About Boen M4 Socket Screws
Real feedback from procurement professionals like you.
"We switched to Boen's m4 x 10mm socket head cap screws for our robotic assembly line. Tooling breakage dropped by 15% and the dimensional consistency is excellent. Highly recommended."
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"Consistent quality across 5 shipments. The m4 socket screws perfectly match our automated assembly torque specs. COC provided in 24h โ perfect for our ISO audit."
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"Boen helped us reduce fastener costs by 28% without sacrificing quality. Their M4 hex socket screws are now our standard for agricultural machinery. DDP shipping made customs easy."
โญโญโญโญโญReady to Secure a Reliable Supply of M4 Socket Screws?
Get a free sample kit, instant quote, and 24h engineering support. No minimum order for samples.
๐ Request Your Free Quote & Sample Kit
Or email: mary@fastenboen.com | grace@fastenboen.com | stella@fastenboen.com
Trusted by Industry Professionals โ Real Conversations
Handan Boen Fastener Manufacturing Co., Ltd. | Hanguang Industrial Park, Yongnian District, Handan City, Hebei, China | Working Hours: Daily 09:00 - 17:00
๐ +86 15630072814 | โ๏ธ shuan@fastenboen.com | ๐ https://www.fastenboen.com
Trusted by Global OEMs & Tier 1 Suppliers
Handan Boen Fastener powers critical assemblies across 30+ countries.
โ ISO 9001:2015 | CE | RoHS | REACH | UL Recognized