Introduction

Flat head hexagon socket bolts (hex flange/head) feature a large bolt head that increases the contact area, reduces the need for washers, and enhances the stability of the joint surface.

Product Description

This type of hex bolt has a wide flat head, standard threads, and may include anti-slip grooves depending on requirements.

Technical Specifications of Flat Head Hexagon Socket Bolts

• Manufacturing Standards: DIN 7991 / ISO 10462

• Material: Carbon steel, stainless steel SUS201, 304, 316

• Strength Grades: 4.6 – 12.9

• Diameter: M6 ~ M30, or as required

• Length: As required

• Thread Type: Partial thread, full thread

• Surface Finish: Black oxide, electroplated, hot-dip galvanized, Dacromet coating, stainless steel

• Origin: Quoc Thinh

Advantages

• Enlarged contact area for stable connections.

• Convenient installation without separate washers.

Applications

• Assembly of structures, machinery, and metal plates.

Usage Instructions / Notes

• Use the appropriate hex key wrench.

• Check tightening torque according to requirements.

Supplier & Contact

QUOC THINH MANUFACTURING TRADING JOINT STOCK COMPANY

✔ Machining bolts according to all technical drawings

✔ Available in multiple sizes – fast delivery

✔ Attractive policies for contractors and large projects

✔ Capable of urgent, large-volume orders

📞 Mr. Lam – +84 905 384 896 (Zalo) 📧 Email: tt.quocthinh1004@gmail.com