hole saw Material: M3,M42 HSS Bi-metal edge welded to alloy steel back for heavy duty cutting

hole saw teeth: 4/6 TPI variable teeth,4/6 sharp aggerssive teeth,6TPI Constant teeth

hole saw usage: Cutting safely and efficiently,the best way to cut large holes,clearing the chips in touch materials.

    used in portable electric or pneumatic tools,vertical drill machines,lathe,boring milling

    machines and other machine tools.

hole saw cutting depth: 1-3/8"(35mm), 1-1/2"(38mm),1-3/4"(44mm) and 1-27/32"(47mm)

hole saw diameters : from 9/16"(14mm)--9-27/32"(250mm)

the material which the hole saw works on:stainless steel and other materials pipe,nail-embedded wood,

        hard wood floors,plywood and plastics