Affordable 5/16″-100 Degree 6 Flute Chatterless Countersink HSS 1/4″ Round Shank DEWCHAT5/16-100

Industrial precision countersinks for metalworking and fabrication. This countersink combines a 5/16 inch diameter, 100 degree angle, 6 flute chatterless design with a 1/4 inch round shank and HSS material for reliable performance in machine shops and fabrication facilities.

Specs

Dimensions: Countersink diameter 5/16 inch; Shank diameter 1/4 inch round; Head angle 100 degrees; Flutes 6

Drive type: Round shank

Material grade: HSS

Features

Chatterless design: Reduces vibration to improve hole quality and tool life during metalworking operations

6 flute configuration: Facilitates efficient chip evacuation and stable cutting at depth

Material: High Speed Steel for wear resistance and durability under standard cutting conditions

Shank: 1/4 inch round shank compatible with common collets and drill chucks

Counter sink angle: 100 degrees for flush seating of fasteners with 5/16 inch heads