OEM Factory for Net Rack Bolt - flange bolt – Ji Luo Fastener

USE：The head of hexagon flange face bolt is composed of hexagon head and flange face, its “supporting area and stress area word ratio” is larger than the ordinary hexagon head bolt, so this bolt can withstand higher pre-tightening force, anti-loosening performance is better, so it is widely used in automobile engine, heavy machinery and other products. Hexagon head with hole, groove bolt, when using, can be used by mechanical method to lock the bolt, reliable prevention of loose.

1. Grade: 4.8 6.8 8.8 10.9 12.9

2. Size:  According To Your Require

3. Standard: DIN 

4. Certification: ISO9001