Bahco BAH383021C 21mm Bi-Metal Variable Pitch Holesaw for Smooth, Efficient Cutting in Metal & Wood | 3830-21-C

Bahco 3830-21-C 21mm Sandflex bi-metal varipitch holesaw for metal, wood & plastic

Bahco 3830-21-C is a 21mm bi-metal holesaw designed for clean, accurate hole cutting in common workshop and site materials, including steel, stainless steel, wood, plastics and boards. The varipitch tooth design helps reduce vibration for a smoother cut, making this holesaw a solid choice for both portable drills and stationary drilling set-ups.

With high-speed steel cutting edges and a tough bi-metal body, the 3830-21-C is built for consistent performance where durability and reliable hole quality matter. This 21 mm holesaw is suitable for trade use across electrical, plumbing, fabrication and general maintenance tasks.

Key Features

• Sandflex bi-metal construction: High-speed steel cutting edges combined with a tough body for long service life in demanding materials.
• Varipitch teeth (4/6 TPI): Helps reduce vibration for smoother cutting and improved control.
• Wide material capability: Suitable for cutting holes in wood, plastics, ferrous and non-ferrous metals, including stainless steel.
• Portable or stationary use: Designed to fit power drills for use both on the move and in fixed drilling applications.
• Easy core removal: Knockout holes help clear the cut core more easily.
• Controlled cutting depth: Maximum cutting depth of 38mm for predictable performance in boards and sheet/plate materials.

Specifications at a glance

Suitable applications

• Cutting precise holes in sheet metal, stainless steel, boards and plastic for pipework, conduit and general fabrication.
• Workshop, maintenance and installation work using portable power drills or stationary drilling equipment.
• Trade users needing a compact 21mm holesaw size for repeatable holemaking with reduced vibration.