#6 .150 Continuous Pilot Capscrew Counterbore - High Performance & Durable Cutting Tool | 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 pilot that is interchangable, which provides flexibility in the use of the tool.

Product Specifications:

• Body Dia: 0.242
• Material: High Speed Steel
• Pilot Dia: 0.15
• Shank Size: 17/32"
• Shank Type: Round
• Finish: Uncoated (Bright)

Key Features:

• 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 pilot that is interchangable, which provides flexibility in the use of the tool.

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