RUKO QLS-HSSCo-10-15 HSS-Co Twist Drill Bit 10 mm with QUICK-LOCKS Shank

For metalworkers and maintenance technicians who need fast bit changes without sacrificing precision, the RUKO QLS-HSSCo-10-15 twist drill bit combines a 10 mm HSS-Co body with the QUICK-LOCKS quick-change shank. It drills clean, accurate holes in tough steels and stainless steels, and the split point starts on contact without walking.

Key specifications

• Drill bit type: Twist drill bit
• Material: HSS-Co (high-speed steel with 5% cobalt)
• Diameter: 10.0 mm
• Shank type: QUICK-LOCKS (quick-change system)
• Point angle: 135°
• Point type: Split point (self-centering)
• Manufacturing process: Fully ground
• Surface finish: Bright (uncoated)
• Total length: 133 mm
• Working length: 87 mm
• Cutting direction: Right-hand cutting
• Flute type: Standard spiral flute
• Max tensile strength: Up to 1100 N/mm²
• Packaging quantity: 1 piece

Why choose it

The cobalt alloy withstands high drilling temperatures, so the bit stays sharp longer in demanding materials. The QUICK-LOCKS shank lets you swap bits in seconds without a chuck key, reducing downtime on repetitive jobs.

Ideal use cases

• Drilling alloyed and unalloyed steel
• Working with stainless steel (V2A/V4A)
• Cast iron, non-ferrous metals, and plastics

Good to know

Compatible with QUICK-LOCKS chucks and 1/4" hex quick-change holders. The split point eliminates the need for center punching in most applications.