US$ 200.00
Part Number D/AN19/32
Size: 5/8"
Head Length 15/16"
Color: Red
NPT Pipe Size 1"
1-7/16" X 3/8" Pilot Hole HSS Straight Shank Counterbore Quantity:1 Part Number D/AN19/32Product 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