High Strength Screw High Tensile Bolts And Nuts

Flange Hex Bolt with Serration with hot dip galvanized finish treatment .The flange Bolt is an integral bolt consisting of a hex head and a flange (the gasket under the hex and the hex fixed as one) and a screw (the cylinder with external thread).

It shall be matched with a nut for fastening the parts connected with two through holes.

Material of flange Hex Bolts: carbon steel 

Size: Customized

Length:30 mm-500 mm 

Surface treatment:Nature color,Black oxide,Phosphate,Zinc plated,micron 40-50.

Quality Control:100% inspection during production.

Manufacturing process:Wire drawing,Cold heading,Insert tapping,Heat treatment,Surface plating,Inspection,Packing.

Standard: ISO,DIN,GB or Non-standard as customized.

Delivery time:Regular products is about 7-10 days,custom product will according to special requirement.

Usage: matched with Nuts to tighten the parts connecting two through holes, so the Flange Bolts connection is a detachable connection.