Shop Now 7/8″-120 Degree 6 Flute Chatterless Countersink HSS 1/2″ Round Shank DEWCHAT7/8-120

Industrial countersinking tool engineered for metal fabrication, fastener seating, and precision machining. It delivers consistent hole geometry with a chatterless performance, featuring 120° included angle, 6 flutes, and a 1/2″ round shank for compatibility with standard chucks and collets.

Specs

Drive type: Round shank

Cutting diameter: 7/8″

Shank diameter: 1/2″

Included angle: 120°

Flute count: 6

Material grade: HSS

Features

Chatterless design: minimizes tool vibration during countersinking to improve hole finish and seating accuracy.

Chip evacuation: 6 flute geometry facilitates efficient chip removal, reducing clogging and heat buildup.

Mounting compatibility: round shank interfaces with standard drill chucks and CNC collets for versatile fixture options.

Material characteristics: HSS construction provides wear resistance at elevated cutting speeds and maintains edge integrity in steel, aluminum, and other engineering metals.

Representative use cases: countersinking for flush-headed fasteners in metal fabrication, automotive assembly, and equipment manufacturing environments.