
M5X20 8.8 ISO 4017 Head Bolt DIN 933 Product grades A Zinc plate
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.
EXAMPLE
A hexagon head screw with thread size M12, nominal length l = 80 mm and property class 8.8 is designated as follows:
Hexagon head screw ISO 4017 DIN933 - M12 X 80 - 8.8
If you are looking for flange head screws, please contact us for further information.
>
>
>
Minimum breaking torques | |||||
Thread | Pitch (mm) | Minimum breaking torque (N.m) | |||
Property class | |||||
8.8 | 9.8 | 10.9 | 12.9 | ||
M2 | 0.40 | 0.37 | 0.4 | 0.45 | 0.5 |
M2.5 | 0.45 | 0.82 | 0.9 | 1 | 1.1 |
M3 | 0.50 | 1.5 | 1.7 | 1.9 | 2.1 |
M3.5 | 0.60 | 2.4 | 2.7 | 3 | 3.3 |
M4 | 0.70 | 3.6 | 3.9 | 4.4 | 4.9 |
M5 | 0.80 | 7.6 | 8.3 | 9.3 | 10 |
M6 | 1.00 | 13 | 14 | 16 | 17 |
M7 | 1.00 | 23 | 25 | 28 | 31 |
M8 | 1.25 | 33 | 36 | 40 | 44 |
M8x1.0 | 1.00 | 38 | 42 | 46 | 52 |
M10 | 1.50 | 66 | 72 | 81 | 90 |
M10x1.0 | 1.00 | 84 | 92 | 102 | 114 |
M10x1.25 | 1.25 | 75 | 82 | 91 | 102 |
Shanghai Summery Industrial Machine Co. , Ltd.
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.