RUKO SPB-DIN338-HSS-G-risti 8,9 mm kierreporanterä

Twist drill bit with split point for precise self-centering and reduced walking. Manufactured from high-speed steel (HSS) and ground to DIN 338 standard, this 8.9 mm bit delivers clean, accurate holes in a wide range of materials.

Advantages

The cross-ground split point with 135° point angle ensures immediate starting without a center punch, while the standard helix flute type provides excellent chip evacuation for efficient drilling.

Suitable for

• Steel
• Cast iron
• Non-ferrous metals
• Plastics
• Wood

Key specifications

• Drill bit type: Twist drill bit
• Standard: DIN 338
• Material: High-speed steel (HSS)
• Manufacturing process: Ground
• Diameter: 8.9 mm
• Shank type: Cylindrical
• Shank diameter: 8.9 mm
• Point type: Split point (cross ground)
• Point angle: 135°
• Total length: 125 mm
• Working length: 81 mm
• Flute type: Standard helix (type N)
• Surface finish: Bright (uncoated)
• Self-centering: Yes
• Reduced walking: Yes
• Chip evacuation: Excellent
• Application: General purpose drilling
• Packaging quantity: 1 piece

Recommendations

Use with a suitable drill chuck and appropriate cutting speed for the material. For best results in metal, apply cutting fluid.