Flange Bolts with Serration 

ISO 45001:2018, 14001:2015, IATF 16949:2016 Certified Star Manufacturer & Exporters of Hex Flange Bolts (DIN 6921), DIN 6921 Hexagon Flange Bolts, Metric DIN 6921 Fully Threaded Hex Flange Bolts in India.

Din 6921 Flange Bolts, The flange bolt is composed of hexagon head and flange plate (the gasket under the hexagon and the hexagon is fixed together) and the screw (cylinder with external thread). he Hex Flange Bolts has particular features of hexagon bolts with the flange that allows built up forces under the bolt head to be spread over a larger area.

Technical Specification
M4-M16 #10-5/8″
8.8, 10.9, 12.9, GR.A, GR.2, GR.5, GR.8
Carbon Steel, Alloy Steel, MS, Copper, Brass & Stainless Steel (SS 304,SS 302, SS 316)
White Zinc Plated, Yellow Zinc Plated, Auto Black Plated, Chrome Plated & other as per customer requirement