Drill America - 1-1/4-14 UNS HSS Tap Set
Choose the Drill America - 1-15/16-16 UNS HSS Taper Tap for unmatched reliability and performance
preventing the need for expensive replacements
Get the Drill America - 1-1/8-12 UNF HSS Plug Tap Left Hand and experience the perfect combination of performance and protection for your professional needs
Get the Drill America - 1-5/16-20 UNS HSS Taper Tap and experience the perfect combination of performance and protection for your professional needs
15/32" X 3/16" Pilot Hole HSS Straight Shank Counterbore - High Performance & Durable Cutting Tool | Drill America Repair Parts Drill America - 1-1/4-14 UNSCounterboring 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 counterbore cutter, and a