DIN 6921 Flange Head Screws Alloy Steel Material For Automobile Industry

DIN6921– M12x25– 10.9 Flange Head Screws alloy steel Zinc plate

This International Standard specifies the characteristics of flange hexagon bolts ,with product grade A, with threads from M5 up to and including M16,length from 10mm to 200mm,and property classes 8.8, 9.8, 10.9 and A2-70,A4-70.

Flange head screws includes two kinds of serrated and smooth plane.

Flange surface increases the contact area, flange head screws tightened, there is a certain anti loose function.

Understanding the market it evolves and the need to react positively to those of market,we believe Shanghai Summery Industrial Machine Co.,Ltd can provide you the most suitable product and service.

EXAMPLE

A hexagon bolt with flange, small product grade A, with thread M12,nominal length l = 80 mm, and property class 10.9 is designated as follows:

Flange Head Screws DIN6921( ISO4162 )– M12x80 – 10.9

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    Understanding the market it evolves and the need to react positively to those of market,we believe Shanghai Summery Industrial Machine Co.,Ltd can provide you the most suitable product and service.