●Product name: hex bolts DIN960
●Standard: DIN standard
● Finish: Black oxide,Zinc plated,hdg
● Dimension: from M10 to M36
● Length: 20mm-300mm
● Material: 40Cr,35CrMo
● Grade: 10.9
● Packing: Cartons+plastic Bag
● Delivery time: 30-60 days
The hardness after heat treatment is about HRC33-38.
The yield ratio of bolt material is 0.9
The nominal tensile strength of bolt material reaches 1000MPa.
The nominal yield strength of bolt material reaches 1000 × 0.9=900MPa