Hole Saw Kits are available for cutting almost any material. Each kit consist of assorted hole saws and accessories that are specifically designed for use in the electrical, plumbing, interiors decoration, etc. In addition to these special purpose kits we offer a general-purpose kit and universal kit that is suitable for a variety of applications. The standard kits have in them Bimetal M3 Hole Saws of variable tpi however these can be supplied in Bimetal 8% Cobalt quality and in constant pitch of 10 tpi.