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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 DIN EN ISO 8765 GR.8.8 10.9 Hexagon head bolts with metric fine thread
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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