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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.
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 espect and admiration within automobile,railtransit,new energy,electronics,mechanical,industrial robot and high-speed rail,etc.
If you are looking for flange head screws, please contact us for further information.
Mechanical and physical peroperties of bolts,screws and studs | |||||
Mechanical and physical peroperties | Property class | ||||
8.8 | 10.9 | 12.9 | |||
d16 mm | d16 mm | ||||
Minimum tensile strength (N/mm2) | min | 800 | 830 | 1040 | 1220 |
Vickers hardness (HV) | min | 250 | 255 | 320 | 385 |
max | 320 | 335 | 380 | 435 | |
Brinell hardness (HB) | min | 238 | 242 | 304 | 366 |
max | 304 | 318 | 361 | 414 | |
Rockwell hardness (HRC) | min | 22 | 23 | 32 | 39 |
max | 32 | 34 | 39 | 44 |
Registration Date | 2017/08/16(Year/Month/Date) |
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Buyer / Seller in EC21 | Seller |
Business Type | Distributor/Wholesaler |
Year established | 2012 |
Employees total | 101 - 500 |
Annual revenue | USD 1,000,001 - 2,000,000 |
Company | Shanghai Summery Industrial Machine Co. , Ltd. |
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Address | No.288,Yewang Road,Yexie Town,Songjiang District,Shanghai.ShanghaiShanghai200000China |
Phone | 86 - 021 - 57806295 |
Fax | 86 - 021 - 51561632 |
Homepage | http://www.flangeheadscrews.com/ |
Contact | fuchengjun |