Tivoly 1145411 Series High Speed Steel Twist Drill Bit for Cast Iron, Steel, 4.2mm Diameter, 75 mm Overall

The Tivoly Drill bit is designed for high performance drilling in high strength steels and cast iron. Its advanced geometry enables incredibly fast drilling while ensuring maximum longevity and precision. Made in France, this drill bit features split point grinding for effective self centring on smooth surfaces, significantly reducing the required axial load. The FUSIO coating offers excellent heat resistance up to 400°C and a low coefficient of friction of 0.2, enhancing cutting speed and service life while minimizing axial load. Ideal for intensive applications in high strength materials.

Automatic centring
35° type N flute
High speed steel construction
135° tip