Why Choose Drill America - 1/4-64 UNS HSS Taper Tap
Prevent dangerous flashbacks and protect your equipment with this essential safety device
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Get the Drill America - 1/2-13 UNC HSS Left Spiral Point 3 Flute Tap and experience the perfect combination of performance and protection for your professional needs
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3/4" X 5/16" Pilots for Counterbore - High Performance & Durable Cutting Tool | Drill America Repair Kits Why Choose Drill America -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 counterbore cutter, and a