1-7/16" X 3/8" Pilot Hole HSS Taper Shank Counterbore Shopify Collective Shank Size 1-1/2"

Shank Size 1-1/2"

Size 3/8"-#12

Part Number GLBCOX1215

preventing them from sliding out while allowing quick access • Durable Material – The polyurethane-backed 600 x 600 denier polyester is both abrasion and tear resistant

and dowel pins

1-7/16" X 3/8" Pilot Hole HSS Taper Shank Counterbore Shopify Collective Shank Size 1-1/2"Product 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