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9/32" X 3/32" HSS Aircraft Counterbore 1/4" Shank - 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

Made from high-quality 18oz per square yard fire-resistant fabric

Enhance your safety and performance with the Drill America - 1-1/4-14 UNS HSS Tap Set

Why Choose Drill America - 7/16 -25/32 60 degree Pilotless Countersink with 1/4 shank

Optional Feature: “Out-of-Round” feature for enhanced versatility

Enhance your safety and performance with the Drill America - 4 x 1/2 x 1-1/4 60 degree HSS Double Angle Cutter

Drill America - 15/16 x 8 Nail Buster Auger Bit

Drill America - 1-3/8-18 UNS HSS Taper Tap

Misuse of these tools may cause damage to the tool

ensuring a complete connection solution right out of the box

Thread Size: m32

All bits have a 3-1/2" overall length and a 3/8" shank

and flame resistant