Alloy Steel M10*100 External Hex head Screw Black Oxide Bolts

Grade 8.8 alloy steel construction delivers a minimum 800 MPa tensile strength and 640 MPa proof load — suitable for machine tool frames, motor mounts, gearbox housings, and structural steel secondary members. 
The M10*100 size (10mm diameter, 100mm length) is among the most widely used bolts in general machinery and equipment manufacturing.
The hex head design ensures compatibility with standard socket wrenches, combination spanners, and pneumatic impact tools, enabling fast and consistent torque application. 
Full threads run along the entire engagement length for flexible joint positioning.
Available in grades 4.8 through 12.9, B7, and stainless steel; surfaces include Zinc, HDG, Phosphate, PTFE, and Dacromet. 
Compliant with DIN 931, ISO 4014, and GB/T 5782. OEM/ODM customization welcome.