M12 × 45 mm Hex Bolt – Strength You Can Rely On
The M12 × 45 mm Hex Bolt is engineered for high-performance fastening in demanding environments. Manufactured in accordance with DIN 933 (full thread) or DIN 931 (partial thread) standards, this bolt ensures a strong, secure hold in structural, mechanical, and industrial applications.
With a standard M12 thread (1.75 mm pitch) and 45 mm length, it offers optimal grip and load-bearing performance. Choose from high-tensile carbon steel (Grade 8.8 or 10.9) or corrosion-resistant stainless steel (A2/A4) for the durability you need.
✅ Key Features:
Thread Size: M12 x 1.75 mm
Length: 45 mm
Head Type: Hexagonal (19 mm across flats)
Material Options: Carbon steel (8.8/10.9), A2 or A4 stainless steel
Standards: DIN 933 (full thread) / DIN 931 (partial thread)
Item Attributes
| Material | Stainless Steel A2 (304), Stainless Steel A2 (304), Carbon Steel Grade 10.9, High-tensile stainless (e.g. Bumax 88 / A4-80) |
| Size | 7.32–7.68 mm (≈7.5 mm) |
| Length | 45 mm ±0.5 mm |
| Coating material | Plain stainless finish (A2/A4) |
| Nominal diameter | M12 (12 mm) |
| Width | Across Flats (AF) 18.67–19.00 mm (≈19 mm) |
| Thread Size | 1.75 mm coarse thread |