GB5785 Fine Pitch Hexagon Head Bolts are precision-engineered fasteners featuring a hexagonal head and fine thread pitch, optimized for applications requiring high clamping force, vibration resistance, and dimensional accuracy. The fine pitch design (e.g., smaller thread spacing compared to standard coarse threads) allows for finer adjustments and improved load distribution, making these bolts ideal for assemblies subjected to dynamic stresses. Their geometry adheres to strict tolerance standards, ensuring compatibility with threaded holes in high-precision components.
In the automotive sector, GB5785 bolts are extensively employed in critical systems such as engine mounts, gearbox housings, and chassis components. The fine threads enhance fatigue resistance under cyclic loads, a common challenge in vehicle operation, while the hex head design enables secure tool engagement for controlled torque application. This is vital in automotive manufacturing, where consistent fastener performance directly impacts safety and longevity.
Key Advantages for Your Applications:
- Exceptional Clamping Force: Ensures secure and robust connections in critical automotive systems.
- Superior Vibration Resistance: Prevents loosening under the dynamic stresses of vehicle operation.
- Precise Dimensional Accuracy: Guarantees compatibility with high-precision automotive components.
- Enhanced Fatigue Resistance: The fine thread design improves the lifespan of the joint under cyclic loads.
- Secure Tool Engagement: The hex head allows for controlled torque application, vital for safety-critical assemblies.
- Finer Adjustment Capability: Enables precise tightening and optimal clamping force.
- Improved Load Distribution: Enhances the overall strength and reliability of the fastened joint.
Ideal for:
- Engine Mounts: Providing secure and vibration-resistant fastening for engine assemblies.
- Gearbox Housings: Ensuring tight and reliable sealing and structural integrity.
- Chassis Components: Securing critical suspension, steering, and structural elements.
- High-Precision Automotive Assemblies: Where dimensional accuracy and precise torque are paramount.
- Applications Subject to Cyclic Loads: Enhancing fatigue resistance in dynamically stressed joints.
- Automotive Manufacturing Assembly Lines: Ensuring consistent and reliable fastening for safety-critical components.
- Heavy-Duty Automotive Applications: Requiring high clamping force and resistance to loosening.
Product Name | Standard | Material | Diameter (Thread Size) | Length |
Hexagon Head Bolt | GB/T 5782-2016 | Carbon Steel, Grade 8.8 | M5 | 16 mm |
Hexagon Head Bolt | GB/T 5782-2016 | Carbon Steel, Galvanized | M6 | 20 mm |
Hexagon Head Bolt | GB/T 5782-2016 | Stainless Steel A2-70 | M8 | 25 mm |
Hexagon Head Bolt | GB/T 5782-2016 | Alloy Steel, Grade 10.9 | M10 | 30-100 mm |
Hexagon Head Bolt | GB/T 5782-2016 | Carbon Steel, Black Oxide | M12 | 40-120 mm |
Hexagon Head Bolt | ASME B18.2.1 | ASTM A307, Grade B | 1/4" | 1" (25.4 mm) |
Hexagon Head Bolt | ASME B18.2.1 | ASTM A325, Type 1 | 5/16" | 1.5" (38 mm) |
Hexagon Head Bolt | ASME B18.2.1 | ASTM A193 B7 | 3/8" | 2" (50.8 mm) |
Hexagon Head Bolt | ASME B18.2.1 | Stainless Steel 316 | 1/2" | 3" (76.2 mm) |
Hexagon Head Bolt | DIN 931 | C45 Steel, Galvanized | M6 | 20-200 mm |
Hexagon Head Bolt | DIN 933 | 8.8 Steel, Plain | M8 | 25-200 mm |
Hexagon Head Bolt | ISO 4014 | Steel, Grade 8.8 | M10 | 30-300 mm |
Hexagon Head Bolt | ISO 4017 | Stainless Steel A4-80 | M12 | 40-300 mm |
Hexagon Head Bolt | JIS B 1180 | SCM435 Alloy Steel | M6 | 20-150 mm |
Hexagon Head Bolt | JIS B 1180 | SUS304 Stainless Steel | M8 | 25-150 mm |
Hexagon Head Bolt | ANSI B18.2.3.6M | ASTM A490, Galvanized | M16 | 50-300 mm |
Hexagon Head Bolt | BS 3692 | EN 14399-4 Grade 10.9 | M20 | 60-300 mm |