Walter 1-3/8 X 1 Sst Core Cut Weldon Shank 10/3 To properly drill square holes

To properly drill square holes

Reinforced bottom adds strength

Medium-soft

1200-grit sanding belt is Silicon Carbide and made of a micro-mesh cushioned abrasive that's perfect for metal sanding

Engine Honda GX690 Pump AR Drive system Belt Drive Pressure PSI 3500 Flow GPM 8

Walter 1-3/8 X 1 Sst Core Cut Weldon Shank 10/3 To properly drill square holesDimensions Diameter 1 3 8" Length 1" Description Super Speed Tip SST Core Cutters are made with state of the art surface treatment technology that removes porosity during the fabrication process. This creates a perfectly smooth finish which allows for a better evacuation of material while drilling. It also helps to improve product life and reduce drilling time as it decreases friction with the work surface, which in turn reduces the amount of heat