Fein HM-Ultra 35 QuickIN kernboor 21 mm 63127095015

Annular cutter with tungsten carbide teeth delivering high cutting performance in steel, stainless steel, and non-ferrous metals. The 21 mm diameter and 35 mm cutting depth make it ideal for precise core drilling with Fein magnetic core drills. The QuickIN shank enables fast tool changes without additional tools, reducing downtime on the job.

Advantages

The HM-Ultra 35 series combines a robust tungsten carbide tipped (TCT) construction with an optimized tooth geometry. This results in extended tool life and consistently clean, burr-free holes. The QuickIN system ensures a secure, vibration-free connection between cutter and machine, improving accuracy and operator comfort. Suitable for portable magnetic drills and stationary core drilling machines.

Suitable for

• Structural steel fabrication and assembly
• Stainless steel processing in food, chemical, and pharmaceutical industries
• Non-ferrous metal working, including aluminium and copper
• Maintenance and repair tasks on-site
• Production drilling in metalworking shops

Key specifications

• Cutting diameter: 21 mm
• Cutting depth: 35 mm
• Shank: QuickIN
• Cutting material: Tungsten carbide (HM)
• Series: HM-Ultra 35
• Quantity per pack: 1 piece
• Compatible with Fein magnetic core drills

Recommendations

Use with a suitable cooling lubricant to maximize tool life and hole quality. For best results, ensure the work piece is securely clamped and the drill is set to the recommended speed for the material. Replace the cutter when cutting performance decreases or the teeth show visible wear.