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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: | M5x40 |
| Tolerance: | 6h |
| Surface: | Zinc plate |
| Grade: | 12.9 |
M5X40 12.9 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.
A hexagon socket head cap screw with thread M5, nominal length I =
40 mm and property class 12.9 is
designated as follows:
Hexagon socket head cap screw ISO 4762 - M5 x 40 - 12.9
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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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