Irwin I-100 7-1/2 In. x 7/32 In. Auger Bit Brand_Red Brand two carbon brushes

two carbon brushes

fits any 3/8" or larger slow-speed drill 500 rpm

and F273900

galvanized pump rod

Size markings are located above the shank to prevent them from wearing away

Irwin I-100 7-1/2 In. x 7/32 In. Auger Bit Brand_Red Brand two carbon brushesSolid center design provides extra rigidity while boring. Wide lands keep the bit straight as it bores through the hole. Flutes are ground behind the lands to funnel chips to the inside of the bit and away from the outside diameter, producing a faster, cleaner cut. Single spur cutting edge scribes the circumference of the hole for a smoother finish. Coarse screw point provides fast boring in hard and soft woods. Full length heat treated bit guards