Hougen 75640 7/16" X 5/8" Oblong Punch rotacut tough-to-cut materials and in high-speed

tough-to-cut materials and in high-speed mag drills such as the HMD906

Cutter with 3/8" shank holes three times faster and cleaner than hole saws in sheet metal and have dramatically extend tool life too

Cutting Diameter: 25/32"

11088 Arbor Assembly Center punch Extra Pilot (7) cutters - 8mm 10mm 12mm 14mm 16mm 18mm and 20mm

Hougen 75640 7/16" X 5/8" Oblong Punch rotacut tough-to-cut materials and in high-speedHougen Ogura Punch Pro Hole Punchers Fast, clean, and precise holemaking in seconds. Lightweight, single body design with no hydraulic hosesjust plug in and punch. Fast Cycle Punch holes in as little as 2 seconds with auto return. More Productivity Up to 75% faster than traditional drilling methods. Lightweight Starting at 17. 4 lbs for easy handling and less fatigue. No Hoses Single body designno external hydraulics, just a power cord. Precision