Product：hexagon head screws / ↓↔®half thread

Specification：M20-M72

Property Class: ISO898-1 &nb€ ÷sp;8.8, 10.9

Elongation after fra™♠λδcture

Minimum tensile strengt★≠&±h

Lower yield strength or stress arβ≠π 0.2% non-proportional elongation

Stress under proof load

Strength under wedge loadi♣₹ng

Hardness

Impact strength Kv， min at ₩φ-20℃

Above property requirements comform to ±βπISO898-1

Thread tolerance：6g,6e,6h<§→

Tolerance standard：ISO 4759-1

Surface defect：ISO 6157↕<∞-1

Quality management systems: ISO9001