Fein 63134310051 HSS Nova 25 Core Drill Bit With 3/4" Weldon Holder 31mm | 63134310051

Fein 63134310051 HSS Nova 25 Core Drill Bit (31mm) – 3/4" Weldon, 25mm Cutting Depth

Fein 63134310051 is an HSS annular core drill bit designed for clean, accurate hole cutting in metalwork, using a 3/4" Weldon holder for secure fitting in compatible core drilling and mag drill equipment. Ideal for fabrication, steelwork and on-site assembly, it helps you produce fast, repeatable holes with less material removal than a conventional twist drill.

Part of the HSS Nova 25 range, model 63134310051 combines a 31mm bore size with a 25mm cutting depth, making it a practical choice for common plate and section drilling tasks where speed and hole quality matter.

Key Features

• HSS construction: High speed steel core bit for metal drilling applications.
• 31mm bore size: Produces accurate 31mm holes for clearance, fixing and fabrication tasks.
• 25mm cutting depth: Suitable for drilling through typical metal plate and sections up to 25mm depth of cut.
• 3/4" Weldon holder: Compatible with tooling systems that use a 3/4" Weldon shank interface.
• Resharpenable design: Intended to be resharpened to extend usable life.
• Multiple cutting edges: Designed to support fast, clean hole cutting with good dimensional accuracy.

Specifications at a glance

Suitable applications

• Metal fabrication and steel construction drilling where a 31mm hole size is required
• On-site installation and assembly work using compatible core drilling or magnetic base drilling equipment
• Drilling structural steel grades such as S235 and aluminium