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1-9/16" X 7/16" Pilot Hole HSS Taper 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

Enhance your safety and performance with the Drill America - 7/8-30 UNS HSS Taper Tap

The free cutting action at high speeds produces a good finish and minimizes chip packing in the flutes

They are recommended for use in through or blind holes which allow for chip accumulation in the bottom of the hole Ideal for threading a wide variety of ductile materials

Why Choose Drill America - 1/2 x 12 Cobalt Extra Long Drill Bit Straight Shank

Made with soft 9 oz

Size: 1-5/16"-20

Black and gold surface treated for use in stainless steel and other hard metal drilling

even with gloves on

this ground clamp is compatible with various welding setups

Enhance your safety and performance with the Drill America - 1 x 4-1/4 x 1-1/4 Hole Concave Cutter

Choose the Drill America - 1-3/8-27 UNS HSS Bottoming Tap for unmatched reliability and performance

Get the Drill America - 1-1/2-10 UNS HSS Taper Tap and experience the perfect combination of performance and protection for your professional needs

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