49/64" X 1/4" Pilot Hole HSS Straight Shank Counterbore Shopify Collective Size m25 x 3

Size m25 x 3

Part Number: Assortment Kit #585465 Pieces

Part Number: 2501-BDLP-126-1795

Part Number: M16X90DPPOAPL

Part Number: EZ-51070

49/64" X 1/4" Pilot Hole HSS Straight Shank Counterbore Shopify Collective Size m25 x 3Product 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