Starrett CSC40 40mm bi-metal hss cordless smooth cut hole saw. Features: Provides smooth cutting, with minimal bite or snag Hole saw comes complete with arbor, pilot drill and ejector spring Cuts a 40mm or 1.9/16" diameter hole Recommended cutting depth: 2mm (stainless steel and non-ferrous material) Hole saw depth: 13mm Teeth Type: HSS Teeth per inch (25mm): 5.5 Material: Steel Colour: Yellow Thread size: 5/8-18 If you just need some help, would like to take advantage of our Price Promise or perhaps have a large order to place. Give our team of professionals a call on 0203 994 5470, drop us an email at sales@electricpoint.com or use our Contact Form.