RUKO KEB-HSSCo-Mod.55 13.0mm HSS-Co Twist Drill Bit DIN 338

Precision-ground 13.0 mm HSS-Co twist drill bit with 135° split point, ideal for alloyed and unalloyed steel, stainless steel, cast iron, non-ferrous metals, and plastics.

Overview

The RUKO KEB-HSSCo-Mod.55 is a high-performance twist drill bit made from HSS-Co (5% cobalt high-speed steel), fully ground to DIN 338 standards. Its 135° split point ensures self-centering and reduces walking, while the Type N helix provides excellent chip removal. With a bright finish and cylindrical shank, this drill bit is suitable for handheld drills and pillar drills.

What stands out

• HSS-Co material with 5% cobalt for high heat resistance and durability
• Split point geometry (135°) for precise drilling without center punching
• Fully ground flutes for smooth chip evacuation and reduced friction
• DIN 338 compliant with h8 tolerance for consistent performance
• Suitable for a wide range of materials including stainless steel and cast iron

Technical details

• Diameter: 13.0 mm
• Overall length: 151 mm
• Working length (flute length): 101 mm
• Material: HSS-Co (5% cobalt)
• Standard: DIN 338
• Helix type: Type N (normal helix)
• Point angle: 135° (split point)
• Shank type: Cylindrical
• Cutting direction: Right-hand cutting
• Number of flutes: 2
• Coating: Bright finish (uncoated)
• Tolerance: h8
• Manufacturing process: Fully ground

Our verdict

An excellent choice for professionals needing a reliable 13 mm cobalt drill bit for tough materials. The split point and HSS-Co construction deliver precision and longevity.