1-3/8" X 3/8" Pilot Hole HSS Straight Shank Counterbore Shopify Collective stout shank that is heat

stout shank that is heat treated to 52–56 HRC to make the blade strong without being brittle

Size 25/32"

Glass and tile drills have a tungsten carbide tips and are suitable for glass

The Tekton Wobble L-Handle has two drive ends: a square end and 10 degree wobble end

1-3/8" X 3/8" Pilot Hole HSS Straight Shank Counterbore Shopify Collective stout shank that is heatProduct Description Counterboring is the enlargement of a portion of a hole that has previously been formed. If the counterbored portion is shallow (1 8" or less), the operations is usually known as spot facing; for example, a flat seat for a bolt head or nut. If, on the other hand, the hole is enlarged to a considerable depth, it is designated as counterboring. These counterbores are made of two piece construction, having an integral shank and