ISO 8678 Small Cup Head Short Square Neck Bolts
Product: ISO 8678 Small Cup Head Short Square Neck Bolts-Product Grade B
Property Class:4.6,4.8,5.6,5.8,8.8,10.9,12.9,
A2-70, A4-70,A4-80
Finish:Zinc Plating（Yellow Zinc, Zinc Blue, Rinse Color), Black, Phosphate & Oil, Zinc Phosphate, Hot-dip Galvanized(HDG),Dacromet, Geomet
Material:Steel
Export country: USA, Japan, Australia, Europe and so on
Support customer customization
When it comes to reliable, compact, and anti-rotation fastening, ISO 8678 Small Cup Head Short Square Neck Bolts are the gold standard. Engineered in full compliance with ISO 8678 international standards, these bolts offer high-strength holding power and secure fitment—even in tight, high-vibration environments.
If you’re in the market for ISO 8678 Small Cup Head Short Square Neck Bolts that deliver flawless performance, corrosion resistance, and streamlined installation, this is your go-to solution.
What Are ISO 8678 Small Cup Head Short Square Neck Bolts?
The ISO 8678 Small Cup Head Short Square Neck Bolt is a specialized fastener featuring a low-profile domed (cup) head and a short square neck beneath. This square neck locks into the mating material, preventing bolt rotation and allowing for single-sided installation—a major time-saver in automated assembly and structural applications.
These bolts are perfect for metal-to-wood, metal-to-metal, and sheet-to-structure fastening across industries like construction, automotive, railway systems, machinery, and infrastructure.
Key Benefits of ISO 8678 Small Cup Head Short Square Neck Bolts
✅ ISO 8678 Certified – Guaranteed dimensional consistency and material reliability
✅ Compact Cup Head Design – Ideal for low-clearance applications with clean aesthetics
✅ Short Square Neck – Anti-rotation locking function for one-hand or blind installations
✅ Multiple Grades Available – Carbon steel, stainless steel, alloy steel
✅ Corrosion-Resistant Finishes – Zinc plated, hot-dip galvanized, black oxide, and more
✅ Metric Sizes M5 to M16+ – Flexible for light to medium load-bearing use
Why Choose ISO 8678 Small Cup Head Short Square Neck Bolts?
| Feature | Advantage |
|---|---|
| Short Square Neck | Prevents spin-out and ensures proper torque tightening |
| Low-Profile Cup Head | Tamper-resistant and ideal for visible surfaces |
| ISO 8678 Compliance | International compatibility and quality assurance |
| Versatile Applications | Fits both wood and metal substrates |
| Quick, Tool-Free Locking | Reduces installation time by up to 30% |
Applications of ISO 8678 Small Cup Head Short Square Neck Bolts
These bolts are widely used across industries that demand compact yet secure fasteners:
?️ Steel and timber structure joining
? Railcar and trailer fabrication
?️ Industrial machine casings and flanges
? Furniture, metal fixtures, and OEM manufacturing
? Vibration-sensitive systems like motors or conveyors
Wherever access is limited or anti-rotation is critical, ISO 8678 Small Cup Head Short Square Neck Bolts outperform traditional bolts or screws.
Real-World Feedback
“We switched to ISO 8678 Small Cup Head Short Square Neck Bolts in our automated lines—they reduced our downtime and improved fastening integrity.”
— ⭐⭐⭐⭐⭐ Mechanical Assembly Engineer
“These are incredibly secure in softwood and metal. No spin during tightening. Excellent quality.”
— ⭐⭐⭐⭐⭐ Construction Supervisor
Bulk Supply & Customization
We offer bulk quantities of ISO 8678 Small Cup Head Short Square Neck Bolts in various materials, finishes, and custom packaging. Whether for small-scale orders or industrial procurement, we guarantee:
? Consistent quality across every batch
? Fast worldwide shipping
? Custom OEM/ODM support available
Ready to Upgrade Your Fastening Solution?
Get industrial-grade, ISO-certified performance from bolts designed to lock securely, install quickly, and last long. Choose ISO 8678 Small Cup Head Short Square Neck Bolts today and bring precision, reliability, and international compliance to every fastening point.
? Order now and experience the difference engineered quality makes.
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