RUKO SPB-DIN338 10,8mm valssattu HSS-spiraalipora

The RUKO SPB-DIN338 10.8mm roll-forged twist drill bit is a precision tool for general-purpose drilling in a wide range of materials. Its roll-forged HSS construction provides a strong core and good chip removal, while the steam-tempered black oxide finish reduces friction and improves durability. With a 118° point angle and h8 tolerance, it delivers accurate holes in alloyed and unalloyed steel up to 800 N/mm², cast iron, non-ferrous metals, plastics, and wood.

Highlights

• Roll-forged HSS for strength and durability
• Steam-tempered black oxide finish for reduced friction
• 118° point angle for versatile drilling
• h8 tolerance for precise hole sizing
• Suitable for steel, cast iron, non-ferrous metals, plastics, and wood

Full specifications

• Drill bit type: Twist drill bit
• Standard: DIN 338
• Material: High-speed steel (HSS)
• Manufacturing process: Roll-forged
• Diameter: 10.8 mm
• Total length: 133 mm
• Working length: 94 mm
• Shank type: Cylindrical
• Shank diameter: 10.8 mm
• Point angle: 118°
• Cutting direction: Right-hand cutting
• Tolerance: h8
• Number of flutes: 2
• Surface finish: Black oxide (steam tempered)

Final note

Ideal for workshops and professional use where reliable performance and precision are required.