Century Drill And Tool 1″ Cobalt S&D Drill Bit Size:1″ Replacement thermocouple for gas furnaces

Replacement thermocouple for gas furnaces

4" Aluminum No-Calk Roof Flashing

Fits 1/4-Inch drivers and adapters

Brick mason scale on inside

20'' X 24''

Century Drill And Tool 1″ Cobalt S&D Drill Bit Size:1″ Replacement thermocouple for gas furnacesSilver & Deming style drill bits, 118 point. Made from M35 steel with 5% cobalt, Centurys Cobalt drill bits are designed to cut through extremely hard metals, including stainless steel. Polished finish for fast chip removal, keeping the bit cool and reducing wear. Cobalt steel will remain sharper while drilling large diameter holes in ferrous and non ferrous steels and other materials where large diameter holes are required. Reduced 1 2 shank fits all