Product name: Hexagon flange bolts/screws with Serrated
Material: Carbon steel,stainless steel,Alloy Steel, Brass
Grade: 4.8, 5.6, 6.8, 8.8, 10.9, 12.9;A2-70,A4-70,A4-80
Standard: DIN 6921,GB16674 ,GB5789 / DIN EN 1665,IF III /ASME B18.2.1 ,ASME B2.3.9
Size: M6-M36 1/4"-1 1/2"
Surface Treatment : Black, Zinc plating(Clear/Blue/Yellow/Black), corrosion resistant,Geomet,Magni...
Application: Car engines, heavy machinery, etc.
Hexagonal head type: One is flat brain, the other is concave brain.
Flanges Type: According to the use of flange bolts in different positions, the size of the flange requirements are not the same, and there are flat bottom and toothed, toothed anti-slip effect.
In addition, in order to meet the requirements of locking after installation, we can drill holes on the rod. These holes can prevent the bolts from loosening when they are subjected to vibration.