RUKO SPB-DIN338-TypUNI-HSSCo-10,20-SB broca helicoidal 10,2 mm HSS-Co DIN 338

Precision-ground 10.2 mm twist drill bit in HSS-Co with 5% cobalt content, engineered for tough alloyed and stainless steels.

Overview

The RUKO SPB-DIN338-TypUNI-HSSCo-10,20-SB is a fully ground twist drill bit conforming to DIN 338. Made from high-speed steel with 5% cobalt, it offers enhanced heat resistance and durability for demanding drilling tasks. The bright finish and split point geometry ensure accurate centering and reduced thrust.

What stands out

• Diameter: 10.2 mm with h8 tolerance for precise holes
• 135° split point (DIN 1412 C) for self-centering and reduced walking
• HSS-Co material with 5% cobalt for high-temperature hardness
• Suitable for alloyed and unalloyed steel, stainless steel, cast iron, non-ferrous metals, and plastics

Technical details

• Drill bit type: Twist drill bit
• Standard: DIN 338
• Material: HSS-Co (5% cobalt)
• Overall length: 133 mm
• Working length (flute length): 87 mm
• Shank type: Cylindrical, diameter 10.2 mm
• Point angle: 135°
• Point grind: Split point (DIN 1412 C)
• Cutting direction: Right-hand cutting
• Manufacturing process: Fully ground
• Surface finish: Bright

Our verdict

A professional-grade cobalt drill bit that delivers clean, accurate holes in tough materials. The split point and precision grinding set it apart for workshop use.