NEO TOOLS HSS-Co Cobalt Twist Drill Bits 11.0 mm, 5-Piece Set

Precision-ground from high-speed steel enriched with 5% cobalt, these 11.0 mm twist drill bits deliver exceptional heat resistance and durability for demanding metalworking tasks. The 135° split point ensures fast, accurate starts without walking, while the fully ground flutes provide efficient chip evacuation in alloyed and unalloyed steel, stainless steel, cast iron, and non-ferrous metals.

Overview

Engineered to DIN 338 standards, this 5-piece set of NEO TOOLS drill bits (model 57-058-5) is built for professional and serious DIY applications. The cylindrical shank fits standard drill chucks, and the bright, uncoated finish reduces friction for smoother cutting. Right-hand cutting direction suits conventional drilling operations in corded drills, cordless drills, and drill presses.

What stands out

• 5% cobalt alloyed HSS for high heat resistance and extended tool life
• 135° split point tip for precise centering and reduced thrust pressure
• Fully ground flutes for superior chip removal and clean holes
• Versatile across steel, stainless steel, cast iron, non-ferrous metals, and plastics
• DIN 338 compliant geometry for consistent performance

Technical details

• Diameter: 11.0 mm
• Quantity: 5 pieces
• Material: HSS-Co (5% cobalt)
• Shank type: Cylindrical
• Point angle: 135°
• Cutting direction: Right-hand
• Surface finish: Bright / uncoated
• Standard: DIN 338
• Manufacturing process: Fully ground
• Packaging: Blister pack / plastic case

Our verdict

An excellent choice for workshops and maintenance professionals who need reliable, long-lasting drill bits for tough metals. The cobalt alloy and precise grinding ensure clean holes and reduced downtime, making this set a smart investment for high-volume drilling.