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|Name:||Din6921 Flange Head Screws||Class:||8.8|
|Size:||M12x25||Material:||Middle Carbon Steel|
|Finish:||Zinc Plated / Nickel / Black Oxide / Dacromet||Application Scope:||Machinery Industry|
Shanghai summery industrial machine C0.,Ltd was established in 2006,it is located at Shanghai,which is the most vigorous city in world.
As a one-stop-stop,we can manufacture,marketing,design,research and develop,we stand for reliable technology and the flexibility to cater to your needs.The staff in our proactive sales and service team is highly trained,we can get the most suitable supplier needs and delivering the customized to our business partner’s that make them successful.And also our quick response service that is unsurpassed in expertise and reliability.
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.
If you are looking for flange head screws, please contact us for further information.
|ISO 261, ISO 965-2|
properties International Standards
|8.8, 9.8, 10.9||A2-70,A4-70|
|ISO 898-1||ISO 3506-1|
Tolerances Product grade
Black oxide Plain
(thermic or chemical)
covered in ISO 4042
If different electroplating requirements are desired or if requirements are needed for other finishes, they should be negotiated between customer and supplier.
Limits for surface
covered in ISO 6157-3.