1/4" HSS Solid Counterbore Quantity:1 Killer Force Drills (KFD) have

Killer Force Drills (KFD) have a heavy duty 135 split point for self-centering and reducing thrust

Head Length 1/8"

Tap Size 1"-8

Part Number DULSL1

STI Tap: 1"-12 STI

1/4" HSS Solid Counterbore Quantity:1 Killer Force Drills (KFD) haveProduct 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