Starrett BI Metal Cordless Smooth Cutting Hole Saws (CSC Hole Saws) are constructed of hardened heat and abrasion resisting high speed steel teeth with a tough alloy body and cap, giving exceptional strength, durability and shatter resistance. Designed for use with battery operated power tools' class='desclinks'>tools, our CSC Hole Saws will cut twice as many holes as the equivalent standard hole saw per battery charge.

Advantages:
The perfect tool for on site work with battery operated power tools' class='desclinks'>tools.
Ideal for cutting stainless, tool and mild steel sheeting plus plasterboard, wood and thin plastics
Complete assembly - there is no requirement to purchase a separate arbor and pilot drill.
Constant pitch teeth provide exceptionally smooth cuts. Pitch 8 teeth per 25mm/inch.
Safety stop at the base of the hole saw prevents drilling beyond maximum cutting depth.
Cutting depth 13mm (1/2) Inch
Suitable for use with the new CAT AQC14 Quick Change Connector.

Size 20mm