RUKO LOS-HSSCo-16mm HSS-Co Twist Drill Bit 16 mm DIN 338

The RUKO LOS-HSSCo-16mm twist drill bit stands out with its 5% cobalt alloyed high-speed steel, delivering superior heat resistance and durability for demanding drilling tasks. Fully ground from solid with a 135° split point, it starts precisely without center punching and reduces thrust.

Highlights

• 5% cobalt HSS-Co for high hot hardness and wear resistance
• 135° split point for accurate centering and reduced walking
• Fully ground flutes and lands for smooth chip evacuation
• DIN 338 standard with h8 shank tolerance for secure chuck grip
• Bright uncoated finish for clean cutting in a wide range of materials

In daily use

This 16 mm drill bit is engineered for alloyed and unalloyed steel up to 1100 N/mm², stainless steel, cast iron, non-ferrous metals, and plastics. Its cylindrical shank fits standard three-jaw chucks, and the right-hand cutting direction suits conventional drilling machines and hand drills. The 125 mm flute length provides ample chip space, while the 178 mm overall length offers good reach.

Full specifications

• Drill bit type: Twist drill
• Material: HSS-Co (5% cobalt)
• Diameter: 16 mm
• Standard: DIN 338
• Point angle: 135°
• Point type: Split point
• Shank type: Cylindrical
• Total length: 178 mm
• Flute length: 125 mm
• Shank tolerance: h8
• Surface finish: Bright (uncoated)
• Cutting direction: Right-hand cutting
• Manufacturing process: Fully ground
• Recommended material hardness: Up to 1100 N/mm²
• Packaging quantity: 1 piece

Final note

For professionals who need a reliable, precision-ground cobalt drill bit for tough materials, the RUKO LOS-HSSCo-16mm delivers consistent performance and long tool life.