1-3/16" X 1/2" Pilots for Counterbore Quantity:1 3 times the ANSI/ASME standard

3 times the ANSI/ASME standard for proof torque • Detent pin hole on one side allows works with both friction ring and detent pin anvils

Part Number: BIT-DWDCO5

Flute Length: 9"

Small End 1-1/8"

Part Number: M16X100DPAPL

1-3/16" X 1/2" Pilots for Counterbore Quantity:1 3 times the ANSI/ASME standardProduct 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