RUKO SPB-DIN338-12,2mm valssattu spiraalipora

Twist drill bit with a 12.2 mm diameter, roll-forged from high-speed steel for general-purpose drilling in metal and plastic.

Advantages

Roll-forged HSS-R construction provides a balanced combination of hardness and toughness. The bright surface finish reduces friction and improves chip evacuation. DIN 338 geometry ensures precise centering and accurate hole dimensions.

Suitable for

• Alloyed and unalloyed steel
• Grey cast iron
• Malleable cast iron
• Non-ferrous metals
• Plastics

Key specifications

• Drill diameter: 12.2 mm
• Total length: 151 mm
• Flute length: 101 mm
• Point angle: 118°
• Shank type: Cylindrical
• Cutting direction: Right-hand

Recommendations

Use with a suitable drill chuck and cutting fluid for metal. For best results, pre-drill with a smaller diameter when drilling hard materials.