RUKO SPB-DIN338-HSS-TiAlN σπειροειδές τρυπάνι 3,3 mm

Twist drill bit with TiAlN coating, diameter 3.3 mm, manufactured from solid HSS to DIN 338. The split point geometry provides excellent centering without pre-punching and reduces feed pressure.

Advantages

• High heat resistance
• Increased wear resistance
• Excellent centering without pre-punching
• Reduced feed pressure

Suitable for

• Alloyed and unalloyed steel
• Cast steel
• Grey cast iron
• Malleable cast iron
• Sintered iron
• Nickel silver
• Graphite
• Non-ferrous metals

Key specifications

• Drill bit type: Twist drill bit
• Standard: DIN 338
• Material: High-speed steel (HSS)
• Coating: Titanium aluminum nitride (TiAlN)
• Diameter: 3.3 mm
• Shank type: Cylindrical
• Point angle: 135°
• Point type: Split point
• Cutting direction: Right-hand cutting
• Tolerance: h8
• Overall length: 65 mm
• Flute length: 36 mm
• Max. tensile strength: 1100 N/mm²

Recommendations

Suitable for dry machining or minimal lubrication.