Big Sale 1 X 4″ Extra Long Combined Drill Bit and Countersink HSS 1/8″ Round Shank DEW1X4

Industrial-grade combination drill bit and countersink for metalworking and fabrication environments. The tool integrates drilling and countersinking in a single operation, with No. 1 diameter, 4 inch overall length, 1/8 inch round shank, and HSS construction.

Specs

Dimensions: Diameter No. 1; Overall length 4 inch; Shank diameter 1/8 inch

Drive type: Round shank

Material grade: HSS

Features

Integrated drilling and countersinking: Enables drilling and countersinking in a single pass, improving efficiency in metal fabrication and maintenance tasks.

Shank compatibility: Round shank, 1/8 inch diameter, compatible with standard drill chucks and CNC tool hol

Material: HSS (High Speed Steel) provides high wear resistance and heat tolerance under repetitive drilling in ferrous materials

Applications: Suitable for automotive, machinery, and fabrication environments requiring precise countersinking and deep-hole drilling