twist-drill-din-338-n-hss-g
RUKO Spiral Bits DIN 340 Tipo N, HSS-G (Ø 4,20mm)- Main use Steel (N / mm ²) <900, Steel (N / mm ²) <1100
- Secondary use Steel (N / mm ²) <1300, aluminum, brass, bronze, synthetic materials and cast iron
- Secondary use Steel (N / mm ²) <1300, aluminum, brass, bronze, synthetic materials and cast iron
