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| Categories | Socket Head Cap Screw | 
|---|---|
| Brand Name: | Summery | 
| Model Number: | DIN912 | 
| Certification: | ISO4762 | 
| Place of Origin: | Shanghai | 
| MOQ: | Negotiable | 
| Price: | Negotiation | 
| Payment Terms: | D/A, L/C, T/T, Western Union | 
| Supply Ability: | 10000000 | 
| Delivery Time: | 7-10 Days | 
| Packaging Details: | Poly bags | 
| Product Name: | DIN912 socket head cap screw | 
| Material: | medium carbon steel | 
| Size: | M6x30 | 
| Tolerance: | 6h | 
| Surface: | Zinc plate | 
| Product Grade: | A | 
M4X20 8.8 ISO 4762 socket head cap screw DIN 912 Product grades A Zinc plate
This International Standard specifies the characteristics of
hexagon socket head cap screws with threads from Ml,6 up to and
including M64 and product grade A.
Shanghai summery industrial machine Co.,Ltd was established in 2006,it is located at Shanghai,which is the most vigorous city in world.
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.
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A hexagon socket head cap screw with thread M6, nominal length I =
30 mm and property class 8.8 is
designated as follows:
Hexagon socket head cap screw ISO 4762 (DIN 912) - M6 x 30 - 8.8
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| Mechanical and physical peroperties of bolts,screws and studs | |||||
| Mechanical and physical peroperties | Property class | ||||
| 8.8 | 10.9 | 12.9 | |||
| d≦16 mm | d﹥16 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 | |
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