13/16" X 1/4" Pilots for Counterbore Shopify Collective Size 3/8"-48

Size 3/8"-48

with no duplicate or filler pieces • Flexible Bit Rails – The rails securely grip the bits so they can't fall out

Part Number: M12X70DPPOAPL

Part Number: VibraTite21830ml

13/16" X 1/4" Pilots for Counterbore Shopify Collective Size 3/8"-48Product 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