23/64" X 3/32" Pilot Hole HSS Straight Shank Counterbore Quantity:1 Part Number: 87C300SHB307G

Part Number: 87C300SHB307G

8 Hex Flange Bolts DIN 6921 Zinc Yellow

- High Grade Aluminum Die Cast Housing

Part Number: BIT-T/A54782

these bits are designed to quickly remove material and produce clean

23/64" X 3/32" Pilot Hole HSS Straight Shank Counterbore Quantity:1 Part Number: 87C300SHB307GProduct 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