31/32″ X 3/16″ Aircraft Counterbore HSS 1/4″ Round Shank 4 Flute DEWA/CCBR31/32 Instant Buy

Industrial machining tools for precision counterboring in aerospace, defense, and heavy equipment manufacturing. This variant features a 31/32″ counterbore diameter with a 3/16″ depth, a 1/4″ round shank, and a 4-flute High Speed Steel construction for reliable performance.

Specs

Counterbore diameter: 31/32″

Counterbore depth: 3/16″

Shank: 1/4″ round

Flutes: 4

Material: HSS

Features

Material: High Speed Steel (HSS) provides heat resistance and edge retention for metalworking operations.

Flute count: 4-flute geometry improves chip evacuation and maintains cutting efficiency during counterboring.

Shank compatibility: 1/4″ round shank fits standard tool holders and collets in CNC and manual machines.

Counterbore capability: Creates a precise 31/32″ diameter counterbore to a depth of 3/16″, enabling flush seating of fasteners in common metals.

Use cases: Suitable for aerospace panel assemblies, automotive frame components, and structural hardware installations requiring accurate fastener seating.