RUKO SPB-DIN338 9,75mm έλασης HSS σπειροειδές τρυπάνι

Twist drill bit with a 9.75 mm diameter, manufactured from high-speed steel (HSS-R) using a roll-forged process for enhanced strength and durability. The black oxide finish provides improved wear resistance and chip evacuation. Ideal for general-purpose drilling in steel, cast iron, non-ferrous metals, plastics, and wood.

Advantages

Roll-forged HSS-R construction offers a robust cutting edge and longer tool life compared to standard ground bits. The 118° point angle and standard helix ensure efficient material removal and accurate hole starting. The straight shank fits standard drill chucks.

Suitable for

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

Key specifications

• Diameter: 9.75 mm
• Overall length: 133 mm
• Flute length: 87 mm
• Material: HSS-R (rolled high-speed steel)
• Point angle: 118°
• Shank: Cylindrical (straight)
• Standard: DIN 338
• Surface finish: Black oxide
• Cutting direction: Right-hand
• Quantity: 1 piece

Recommendations

Use with appropriate cutting fluid for metal drilling to prolong bit life. For best results, pre-drill a pilot hole in hard materials.