Starrett CSC20 Smooth Cutting Holesaw 20mm | BF1320

Starrett CSC20 Smooth Cutting Holesaw (20mm) Bi‑Metal Assembly – BF1320

Starrett CSC20 holesaw assembly is a 20mm bi-metal hole saw designed for smooth, controlled cutting with cordless drills when you need clean, repeatable holes in thin materials. Ideal for site work and fit-outs, it combines a ready-to-use cutter, arbor and pilot drill in one compact set-up.

With its constant-pitch tooth form, the CSC20 helps reduce snagging and improves cut quality, making the BF1320 a practical choice for electricians, installers and maintenance teams working across mixed materials.

Key Features

• Cordless Smooth Cut design: Built for efficient cutting on battery-powered drills, helping you get more work done per charge on site.
• Bi-metal construction: High-speed steel cutting edge with an alloy body for strength, durability and resistance to tooth breakage in demanding use.
• 8 TPI constant pitch: Produces smooth cuts with controlled tooth engagement for cleaner holes in thin-gauge materials.
• Integrated safety stop: Flared base cap limits cutting depth to help prevent over-travel through sheet materials.
• Multi-material capability: Suitable for mild steel and stainless steel sheet, plus wood and thin plastics.
• Complete assembly: Includes arbor, pilot drill and ejector spring for quick set-up and easier core removal.

Specifications at a glance

Suitable applications

• Electrical and mechanical installation work requiring clean holes in thin sheet materials.
• Cutting mild steel and stainless steel sheet, as well as wood and thin plastics.
• On-site tasks where controlled cutting depth is beneficial, such as panel work and enclosures.