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high tensile hexagon head bolts ISO 4014 hexagon head screws HEXAGON HEAD SCREW ISO 4017, CE, DOP, FULL THREAD DIN 933 hexagon bolt fully threaded EN15048 Non-preloaded structural bolting assemblies DAST CE bolt, EN14399 HV HR hexagon bolt for wind turbine generator
ISO 4014 hexagon head screws
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SPECIFICATIONS
| Product | hexagon head screws / half thread |
| Specification | M20-M72 |
| Property Class | ISO898-1 8.8, 10.9 |
| Thread tolerance | 6g,6e,6h |
| Tolerance standard | ISO 4759-1 |
| Quality management systems | ISO 4759-1 |
PERFORMANCE ADVANTAGE
Product：hexagon head screws / half thread
Specification：M20-M72
Property Class: ISO898-1 8.8, 10.9
Elongation after fracture
Minimum tensile strength
Lower yield strength or stress ar 0.2% non-proportional elongation
Stress under proof load
Strength under wedge loading
Hardness
Impact strength Kv， min at -20℃
Above property requirements comform to ISO898-1
Thread tolerance：6g,6e,6h
Tolerance standard：ISO 4759-1
Surface defect：ISO 6157-1
Quality management systems: ISO9001
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