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Size: 3"-4
" - Alex R
The "Out-of-Round" feature further enhances its adaptability
making it an essential piece of protective gear for professionals working in high-risk environments
Why Choose Drill America - #11 3MT-1 3/4 Turret Solid Sockets
3/4" X 3/16" HSS Aircraft Counterbore 1/4" Shank - High Performance & Durable Cutting Tool | Drill America Burs & Rotary Files Size: 3"-4Counterboring 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