Product：hexagon head screw♥‌s / half thread

Specification：M20-M72

Property Class: ISO898-1&nbs¶✔p; 8.8, 10.9

Elongation after fracture

Minimum tensile strength

Lower yield strength or stress™← ar 0.2% non-proportional elongatiφ₽∞∑on

Stress under proof load

Strength under wedge l☆φoading

Hardness

Impact strength Kv， min a↓£↔®t -20℃

Above property requirements comformε€₩‌ to ISO898-1

Thread tolerance：6g,6₩γ"<e,6h

Tolerance standard：ISO 4759Ω₽β-1

Surface defect：ISO 615£$$<7-1

Quality management syste♣•ms: ISO9001