DIN Standard Bolts Metric Hex Bolts
🔩 DIN Metric Hex Bolts – Reference Standards
DIN 931 – Hexagon Head Bolts (Partial Thread)
Thread Type: Metric coarse / fine
Threading: Partial thread
Strength Classes: 5.6, 8.8, 10.9, 12.9
Equivalent: ISO 4014
Applications: Machinery, construction, automotive, heavy equipment
SEO Keywords: DIN 931 hex bolt manufacturer, metric hex bolt supplier
DIN 933 – Hexagon Head Bolts (Full Thread)
Thread Type: Metric
Threading: Fully threaded
Strength Classes: 5.6, 8.8, 10.9, 12.9
Equivalent: ISO 4017
Applications: Structural fastening, industrial assemblies
SEO Keywords: DIN 933 hex bolt exporter, full thread hex bolt manufacturer
⚙️ Strength Classes (DIN Hex Bolts)
5.6 – Mild steel, general purpose
8.8 – High tensile, most commonly used
10.9 – High strength, heavy-duty applications
12.9 – Ultra high strength, critical assemblies
🧱 Materials Available
Carbon Steel
Alloy Steel
Stainless Steel (A2 / A4)
High Tensile Steel
Surface Finishes:
Black | Zinc Plated | Hot Dip Galvanized | Phosphate | PTFE Coated
📏 Metric Sizes Range
Diameter: M3 to M64
Length: 6 mm to 300 mm (custom lengths available)
🏭 Industries Using DIN Metric Hex Bolts
Construction & Infrastructure
Automotive & Auto Components
Heavy Engineering
Power Plants
Oil & Gas
General Machinery Manufacturing
🌍 Why Choose DIN Standard Hex Bolts?
✔ Internationally Accepted DIN Standard
✔ Precise Metric Dimensions
✔ High Tensile Strength Options
✔ Suitable for Export & OEM Use
DIN Standard Metric Hex Bolts Manufacturer – Ravina Fasteners
Ravina Fasteners is a leading DIN Standard Metric Hex Bolts manufacturer and exporter, supplying high-performance fastening solutions for industrial, automotive, construction, agricultural, and engineering applications. Our DIN Hex Bolts are precision-engineered to meet international quality standards, ensuring superior strength, durability, and dimensional accuracy.
What Are DIN Metric Hex Bolts?
DIN Metric Hex Bolts are six-sided head bolts manufactured according to German DIN standards such as DIN 931 (partial thread) and DIN 933 (full thread). These bolts are widely used where high tensile strength and secure fastening are required.






