Broca helicoidal curta RUKO SPB-DIN1897-HSSCo-Ø13,0 mm

Precision-ground stub drill bit with 5% cobalt high-speed steel and a 135° split point for accurate, low-pressure drilling in tough metals.

Overview

The RUKO SPB-DIN1897-HSSCo-Ø13.0mm is a stub-length twist drill bit manufactured to DIN 1897. It features a cylindrical shank, bright finish, and right-hand cutting direction. The split point grind reduces walking and improves centering accuracy.

What stands out

• HSS-Co with 5% cobalt for high heat resistance and durability
• 135° split point for precise starts without center punching
• Ground from solid for consistent geometry and sharpness
• Diameter tolerance h8 for reliable hole sizing

Technical details

• Drill bit type: Stub drill bit
• Standard: DIN 1897
• Material: HSS-Co (5% cobalt)
• Diameter: 13.0 mm
• Shank type: Cylindrical (parallel)
• Shank diameter: 13.0 mm
• Overall length: 101 mm
• Flute length: 57 mm
• Point angle: 135°
• Point grind: Split point
• Surface treatment: Bright finish
• Cutting direction: Right-hand
• Manufacturing method: Ground from solid
• Tolerance: h8
• Recommended materials: Alloyed/unalloyed steel, stainless steel, cast iron, non-ferrous metals
• Max tensile strength: 1100 N/mm²

Our verdict

A robust stub drill for demanding metalworking tasks where precision and tool life matter.