RUKO SPB-DIN338 8.0mm HSS-Co Twist Drill Bit

Precision-ground from solid HSS-Co with 5% cobalt, this 8.0 mm twist drill bit delivers a 135° split point for fast, accurate starts. The DIN 338 geometry and h8 shank tolerance ensure reliable performance in alloyed and unalloyed steel, stainless steel, cast iron, and non-ferrous metals up to 1100 N/mm².

Overview

The RUKO SPB-DIN338 8.0 mm twist drill bit is a fully ground, right-hand cutting tool designed for demanding drilling tasks. Its bright surface finish and cylindrical shank provide consistent clamping and smooth chip evacuation. With a total length of 117 mm and a flute length of 75 mm, it is suitable for a wide range of workshop and industrial applications.

What stands out

• 5% cobalt HSS-Co for high heat resistance and durability
• 135° split point eliminates walking and reduces thrust
• DIN 338 standard ensures compatibility with standard drill chucks
• h8 shank tolerance for precise fit
• Bright finish for clean cutting and corrosion resistance

Technical details

• Drill bit type: Twist drill bit
• Standard: DIN 338
• Material: HSS-Co (5% cobalt)
• Diameter: 8.0 mm
• Total length: 117 mm
• Flute length: 75 mm
• Shank type: Cylindrical (straight shank)
• Shank diameter: 8.0 mm
• Point angle: 135°
• Point type: Split point (cross-ground point)
• Surface finish: Bright
• Manufacturing process: Fully ground from solid
• Cutting direction: Right-hand cutting
• Tolerance: h8
• Recommended applications: Alloyed and unalloyed steel, stainless steel, cast iron, non-ferrous metals
• Max tensile strength: Up to 1100 N/mm²
• Packaging unit: 1 piece

Our verdict

A professional-grade cobalt drill bit that combines precision geometry with high-performance material for reliable drilling in tough metals.