Socket Head Cap Screw Dimensions MM & Head Diameter | Maker

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Precision Socket Head Cap Screw Dimensions MM & Head Diameter – Factory Direct

End the guesswork. Get exact metric dimensions, reliable tolerances, and competitive pricing for socket head cap screws. Engineered for technical directors and procurement managers who demand precision, speed, and cost control.

📥 Get Free Quote in 24h – Your Specs, Our Price

⚡ ISO 9001 | 30+ Countries | 10+ Years Export Excellence

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🔍 The Problem ⚙️ Our Solution 📏 Specs Table 🏆 Proof ❓ FAQ ⭐ Reviews 📞 Contact

Why Accurate Socket Head Cap Screw Head Diameter & Dimensions Matter

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Mismatched Head Diameter = Assembly Failure

A 0.2mm deviation in socket head cap screw head diameter can cause misalignment in automated assembly lines, leading to costly downtime. Thousands of euros lost per hour.

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Unreliable Supplier = Hidden Costs

Many suppliers claim “metric” but deliver off-tolerance parts. Our 2025 audit found that 1 in 3 imported screws fail head diameter specs. Are you taking that risk?

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Procurement Complexity

Juggling multiple suppliers for different socket head cap screw dimensions mm? Inconsistent quality, delayed shipments, and endless paperwork kill your efficiency.

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High Logistics Costs for Low-Volume Orders

Small batches from multiple vendors mean high freight per unit. You need a single, reliable partner who can bundle your fastener needs.

🔍 Fact: According to a 2025 supply chain report, 28% of procurement managers cite dimensional inconsistency as the top reason for supplier switching. Don't be a statistic.

⚙️ Precision Socket Head Cap Screws – Engineered for Your Demands

From socket head cap screw head diameter to thread pitch, every parameter is controlled in-house. We deliver ISO 898-1 compliant fasteners that fit perfectly the first time.

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Exact Dimensional Control

We maintain ±0.05mm tolerance on head diameter and socket depth. Our CMM inspection ensures every batch meets your print.

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Factory-Direct Value

No middlemen. Our socket head cap screw dimensions mm are priced 15-20% lower than European distributors, with same quality standards.

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Global Logistics, Local Speed

Stock in our EU warehouse ensures 3-5 day delivery for standard sizes. No more waiting weeks for critical fasteners.

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Material & Coating Options

Alloy steel (12.9), stainless A2/A4, or custom. Choose from black oxide, zinc plating, or Dacromet for corrosion resistance.

📐 Socket Head Cap Screw Dimensions (MM) & Head Diameter – Full Specs

All dimensions conform to DIN 912 / ISO 4762. Data is crawlable and ready for your ERP system.

Thread Size (M)	Head Diameter (dk) mm	Head Height (k) mm	Socket Size (s) mm	Thread Length (b) mm	Tensile Strength (MPa)
M3	5.50	3.00	2.50	12.00	≥ 1220
M4	7.00	4.00	3.00	14.00	≥ 1220
M5	8.50	5.00	4.00	16.00	≥ 1220
M6	10.00	6.00	5.00	18.00	≥ 1220
M8	13.00	8.00	6.00	22.00	≥ 1220
M10	16.00	10.00	8.00	26.00	≥ 1220
M12	18.00	12.00	10.00	30.00	≥ 1220
M16	24.00	16.00	14.00	38.00	≥ 1220

Note: Head diameter (dk) is the critical dimension for counterbore fit. Contact us for custom tolerances.

❓ Frequently Asked Questions about Socket Head Cap Screw Dimensions

What is the standard socket head cap screw head diameter for M10?

For M10, the nominal head diameter (dk) is 16.00 mm per ISO 4762. We hold this to ±0.08mm. Need a tighter tolerance for a critical fit? We can do ±0.05mm.

How do I verify socket head cap screw dimensions mm before ordering?

We provide free sample packs with full dimensional inspection reports. Just share your specs and we'll send matching parts for your test fit.

Can you customize the head diameter or socket depth?

Yes. Our OEM/ODM service allows modifications to head diameter, socket size, and overall length. Minimum order quantity for custom is 5,000 pieces.

What is the lead time for standard socket head cap screws?

Standard sizes (M3-M16) ship within 7-10 days from our factory. Express air freight available for urgent orders.

Do you offer discounts for bulk orders of socket head cap screws?

Absolutely. Volume pricing starts at 10,000 pieces. Contact us for a tiered quote – we beat competitor prices by 15-20% on average.

How do you ensure quality consistency across batches?

Every production lot undergoes CMM inspection, hardness test, and tensile test. We provide a Certificate of Conformance with every shipment.

What payment terms do you accept for international buyers?

We accept T/T, L/C, PayPal, and Western Union. For first-time buyers, 30% deposit and 70% before shipment is standard.

⭐ What Our Clients Say About Our Socket Head Cap Screws

Klaus Müller – Procurement Manager, Germany

"We switched to Boen for M8 socket head cap screws. Their head diameter consistency is outstanding. We've reduced rework by 35%."

James Carter – Technical Director, UK

"The socket head cap screw dimensions mm data they provided matched our CAD perfectly. No more tolerance surprises."

Olivia Chen – Supply Chain Manager, Singapore

"Fast delivery, great pricing. The socket head cap screw head diameter on M12 was spot on. We've placed 3 repeat orders."

Lin Zhao Senior Technical Engineer, Handan Boen Fastener

With 12 years in fastener manufacturing and export, Lin oversees all dimensional quality protocols. He has personally led over 200 successful OEM projects for European and American clients. His expertise ensures that every socket head cap screw dimension meets international standards.