RUKO SPB-DIN338-HSSCo8-Ø4,7mm τρυπάνι ελικοειδές

The RUKO SPB-DIN338-HSSCo8-Ø4.7mm twist drill bit delivers high-performance drilling in tough materials. Its 8% cobalt high-speed steel construction and 135° split point provide excellent heat resistance and precise centering.

Advantages

Fully ground from HSS-Co 8% for superior hardness and wear resistance. The split point design reduces thrust force and prevents walking, ensuring accurate hole placement. Bright polished surface enhances chip evacuation.

Suitable for

• Stainless steel
• Acid-resistant steel
• Heat-resistant steel
• High-alloy steel
• Cast iron
• Bronze
• Plastics

Key specifications

• Diameter: 4.7 mm
• Overall length: 80 mm
• Working length: 47 mm
• Shank: cylindrical, 4.7 mm
• Point angle: 135°
• Tolerance: h8
• Standard: DIN 338

Recommendations

Use with cutting fluid for extended tool life when drilling stainless or acid-resistant steels. Suitable for industrial and professional applications.