Head Bolt M6X20 8.8 ISO 4017 DIN 933 Zinc plate Product grades A

This International Standard specifies the characteristics of hexagon head screws with threads from M1,6

up to and including M64, of product grade A for threads M1,6 to M24 and nominal lengths up to and

including 10 d or 150 mm,whichever is shorter, and product grade B for threads over M24 or nominal

lengths over 10 d or 150 mm, whichever is shorter.

Shanghai summery industrial machine Co.,Ltd was established in 2006,it is located at Shanghai,which is the most vigorous city in world.

If you are looking for flange head screws, please contact us for further information.

    Shanghai summery industrial machine Co.,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.

    We have good sense of customer priority our experience and expertise allows our team to fully assess the technical and commercial viability of products.We place great on quality and reliability and it has earned us enormous respect and admiration within automobile,railtransit,new energy,electronics.mechanical,industrial robot and high-speed rail,etc.

    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.