Ruko Terrax HSS-CO5 Spiral Drill Bits 3.5 mm in Plastic Pack

Twist drill DIN 338 type N HSS-G Co 5 Powerful twist drill suitable for all normal drilling in conventional materials. Ground twist drill from high-speed steel with increased cobalt content. The complete ground spiral bit has an increased concentricity. The cobalt content ensures a higher heat resistance. Applications: for unalloyed and alloyed steels (up to 1100 N/mm² Strength), hot and cold working steel, tempered and hardened steel and for stainless and acid resistant steels. Specifications:Diameter: 3.5 mm Overall length: 70.0 mm Spiral length: 39.0 mm Point tip: Conical section Point thinning: Split point according to DIN 1412 C Point angle: 130° Spiral angle: 20-30° Tolerance of diameter: h8 Surface: golden-brown Right-hand cutting Package: 10 piece in plastic packagingSplit point according to DIN 1412 C Usage: For drills with very strong core for particularly tough, hard materials and gun drills. Advantages: Good centring, low feed force. By clamping distribution improved chip evacuation.Cons: Immaculate regrinding only possible mechanically.

• Ground twist drill from high-speed steel with increased cobalt content.
• The cobalt content ensures a high heat resistance.
• The complete ground spiral bit has an increased concentricity.
• Powerful twist drill suitable for all normal drilling in conventional materials.