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5/8" X 3/16" Pilot Hole HSS Straight Shank Counterbore - High Performance & Durable Cutting Tool | Drill AmericaCounterboring 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

Choose the Drill America - 1-5/16-20 UNS HSS Tap Set for unmatched reliability and performance

The Radians FRCA-001 VolCore® Cotton/Nylon FR Coverall is engineered for maximum safety and comfort in hazardous work environments

Hand Expansion Reamers are used to enlarge holes in order to get proper fit

ensuring smooth testing processes

and metalworking settings

ensuring a safer workspace

Drill America - 3/16 x 2-1/4 x 1 Hole Convex Cutter

Each cutter comes with Pilot Drill and Hex Key

Get the Drill America - 3-1/2-8 UNS HSS Bottoming Tap and experience the perfect combination of performance and protection for your professional needs

Get the Drill America - 7/16-48 UNS HSS Taper Tap and experience the perfect combination of performance and protection for your professional needs

12" bastard and second cut are double cut

precise aluminum welds

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