Flash Sale 3/8″ X 5/32″ Straight Shank Counterbore HSS 5/16″ Round Shank 3 Flute DEWCBR3/8

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Industrial counterbore tooling for metalworking applications requiring precise flush seating of fasteners.

The tool uses High Speed Steel with a 3-flute geometry to optimize chip control and cutting efficiency.

Specs

Tool type: Counterbore

Counterbore Diameter: 3/8 inch

Shank Diameter (Straight Shank): 5/32 inch

Shank Diameter (Round Shank): 5/16 inch

Flutes: 3

Material: High Speed Steel (HSS)

Features

3 Flute geometry supports efficient chip evacuation and stable cutting during counterboring operations.

Material High Speed Steel (HSS) provides wear resistance and durability in metalworking environments.

Shank options: Straight Shank and Round Shank configurations to fit a wide range of standard toolholders.

Use case: Suitable for through-hole counterboring in metal assemblies that require flush seating for fasteners.