Professional DIN 912 Socket Hex Head Machine Screw ISO 4762 M8X30 For Bicycle

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Professional DIN 912 Socket Hex Head Machine Screw ISO 4762 M8X30 For Bicycle





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.


The following Standards contain provisions which, through reference in this text, constitute provisions of this
International Standard. At the time of publication, the editions indicated were valid. All Standards are subject to revision, and Parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the Standards indicated below Members of IEC and ISO maintain registers of currently valid International Standards.




















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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 |
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 |
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