High-Strength Hexagon Flange Bolts

Product  introduction

The head of the hexagon flange bolt is composed of a hexagon head and a flange. Flanges are divided into toothed and untoothed. Compared with ordinary bolts, the ratio of support area and stress area of flange bolts is larger. So the flange bolt can withstand higher preloading force. It has good anti-loose effect.

Product information

Product name: Hexagon Flange Bolts

Grade: 8.8 10.9 12.9

Surface treatment：Black oxide、Galvanized、Dacromet etc.

Kind: Toothed、Untoothed

Material：Carbon steel

Specification: M5-M16

Standard: GB5787 GB5789 DIN6921