RUKO SPB-DIN338 11,0 mm valssijyrsitty HSS-kierrepora

The RUKO SPB-DIN338 11.0 mm roll-forged twist drill bit delivers consistent performance in everyday drilling tasks. Unlike standard ground bits, its roll-forged construction produces a robust flute geometry that resists wear and maintains cutting efficiency across a range of materials.

Highlights

• Precision 11.0 mm diameter with h8 tolerance for accurate holes
• DIN 338 standard dimensions: 142 mm overall length, 101 mm working length
• High-speed steel (HSS-R) body with black oxide finish for improved durability
• 118° point angle and right-hand spiral flute for efficient chip removal
• Suitable for steel, cast iron, non-ferrous metals, plastics, and wood

In daily use

This bit is a dependable choice for workshops and job sites. The cylindrical straight shank fits standard drill chucks, while the hardened and tempered body withstands repeated use. Its spiral flute design clears chips quickly, reducing heat buildup and extending bit life.

Full specifications

• Drill bit type: Twist drill bit
• Standard: DIN 338
• Material: High-speed steel (HSS-R)
• Manufacturing process: Roll-forged
• Diameter: 11.0 mm
• Shank type: Cylindrical (straight shank)
• Point angle: 118°
• Surface finish: Black oxide
• Cutting direction: Right-hand cutting
• Overall length: 142 mm
• Working length: 101 mm
• Tolerance: h8
• Flute type: Spiral flute
• Heat treatment: Hardened and tempered

Final note

A solid, general-purpose bit that handles a wide range of materials without fuss.