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Flute Length 11-7/8"
US Patent #D7287285 | #D514771
increase lifespan and reduce heat compared to standard drill bits
Part Number DWDA/CX1227/64
Displaces Moisture
13/16" X 5/16" Pilots for Counterbore Quantity:1 Flute Length 11-7/8"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
US$ 4499.50
US$ 10.00
US$ 249.50
