RUKO SPB-DIN338-9,4mm-HSSCo kierrepora 9,4 mm DIN 338 HSS-Co5

Precision-ground 9.4 mm twist drill bit with 5% cobalt alloy (HSS-Co5) for high-performance drilling in tough steels up to 1100 N/mm².

Overview

This RUKO twist drill bit is manufactured to DIN 338 standards, featuring a split point (DIN 1412 C) for accurate self-centering and reduced thrust. The bright finish and right-hand cutting direction ensure clean, efficient drilling in alloyed and unalloyed steel, stainless steel, cast iron, and non-ferrous metals.

What stands out

• 5% cobalt high-speed steel (HSS-Co5) for superior heat resistance and durability
• Split point geometry eliminates walking and enables precise hole positioning
• 130° point angle optimized for metal drilling
• Cylindrical shank with h8 tolerance for secure chuck grip
• Standard helix angle (Type N) for efficient chip evacuation

Technical details

• Diameter: 9.4 mm
• Total length: 125 mm
• Working length: 87 mm
• Shank diameter: 9.4 mm
• Point angle: 130°
• Point grind: Split point (DIN 1412 C)
• Helix angle: Standard (Type N)
• Cutting direction: Right-hand
• Tolerance: h8
• Surface finish: Bright

Our verdict

A professional-grade cobalt drill bit that delivers reliable performance in demanding metalworking applications, backed by RUKO's precision manufacturing.