Products Description
One of the standards for hex head bolts is the strength grade standard, which is divided into Grade 4.8 and Grade 8.8. These two grades are widely used in the market, particularly Grade 4.8 hex head bolts. Since they are significantly cheaper than Grade 8.8 hex head bolts, they are naturally used more extensively.
DIN 933 Grade 8.8 galvanized hex head bolts are widely used in mechanical equipment, steel structures, power facilities, construction projects, automotive manufacturing, and industrial assembly.
They feature the following characteristics:
Full-thread design for a more secure connection
Hex head structure for easy installation and removal
Grade 8.8 high-strength performance
Galvanized rust-proof treatment
Compliant with DIN 933 / ISO 4017 standards
Suitable for use with matching hex nuts and flat washers
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Basic Product Information
| Product Name | DIN 933 Hex Head Full Thread Bolts |
| Standard | DIN 933 |
| Strength Grade |
Grade 8.8 (High Strength) Nominal Tensile Strength: ≥800 MPa; Yield Strength: ≥640 MPa |
| Material | Medium-carbon steel (quenched and tempered) |
| Surface Treatment | Electrogalvanized (Blue-White Zinc / Color Zinc / Black Zinc) |
| Thread Type | Full Thread |
Our Factory
Applications
- Machine tools, automated equipment, construction machinery
- Steel structures, factory building supports, pipe fastenings
- Automobiles, agricultural machinery, molds, heavy-duty frames
- Industrial fasteners requiring both high strength and corrosion resistance
Standard Size Chart
Key Dimensions (mm)
|
Thread Specifications |
Pitch P |
Flank Width S |
Head Thickness K |
Thread Type |
|
M6 |
1.0 |
10 |
4.0 |
Full Thread |
|
M8 |
1.25 |
13 |
5.3 |
Full Thread |
|
M10 |
1.5 |
17 |
6.6 |
Full Thread |
|
M12 |
1.75 |
19 |
8.0 |
Full Thread |
|
M14 |
2.0 |
22 |
9.0 |
Full Thread |
|
M16 |
2.0 |
24 |
10.0 |
Full Thread |
|
M20 |
2.5 |
30 |
12.5 |
Full Thread |
|
M24 |
3.0 |
36 |
15.0 |
Full Thread |
Standard Length Series (mm)
12, 16, 20, 25, 30, 35, 40, 45, 50, 55, 60, 70, 80, 90, 100, 110, 120, 140, 150, 160, 180, 200
Contact us
Looking for a supplier of high-quality DIN 933 Grade 8.8 galvanized hex head bolts?
Contact us today to receive:
- Latest price list
- Product catalog
- Sample requests
- Technical support
- Volume purchase solutions
Please send us your specifications (diameter, length, quantity, and surface treatment requirements), and our sales engineers will provide you with a professional quote within 24 hours.
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