Hex Bolt Black Oxide Grade 8.8 M6x1.0 (DIN931)

Specification Details: Grade 8.8 Black Oxide Bolt Set, Size M6-1.0

1. Thread Specification

• Diameter: M6 (Screw shaft diameter of 6 mm)
  
• Pitch: 1.0 mm (Metric Coarse Thread)
  
• Thread Direction: Right-Hand Thread (General purpose)

2. Dimension Specification (Referencing DIN 931)

• Head Height (k): 4.0 mm
  
• Wrench Size / Across Flats (s): Size 10 mm (Used for both the bolt head and nut)
  
• Bolt Type: Hexagon Head Partial Thread (DIN 931 standard), covering a length range of 50 - 100 mm

3. Mechanical Specification

• Bolt Property Class: Grade 8.8, manufactured from Medium Carbon Steel, Quenched and Tempered
  
• Tensile Strength: 800 N/mm² or 800 MPa
  
• Yield Strength: 640 N/mm² or 640 MPa
  
• Surface Finish: Black Oxide Finish with a light anti-rust oil coating to help prevent rust during indoor use or initial storage

4. Suitable Applications

• Machinery and Automotive Assembly: Suitable for structural joints in industrial machinery, automobile, and motorcycle parts that require high strength, as well as resistance to tension and impact.
  
• Medium-Scale Industrial Structures: Used for fastening steel components, structural assemblies, warehouse racking, or standard load-bearing joints.
  
• Parts and Mold Assembly: Ideal for assembling industrial electrical equipment components, hand tools, and small to medium-sized forming molds that require secure and tight fastening.