Dazhao Carbon Steel Hex Nut

This Dazhao M20mm hex nut is manufactured from carbon steel to Grade 8.8 strength, featuring a durable black oxide finish and conforming to GB/T6170 standard for reliable fastening.

type: Hexagonal nut Material: Carbon Steel Implementation Standards: GB/T6170 Nominal size: M20mm grade: 8.8 Surface treatment: Black