79 Jobber Length Drill Bit Cobalt D/ACO79 (12 / Pkg.) Save Now
Original price was: $38.15.$19.84Current price is: $19.84.
Specs
Diameter: #79 (0.239 in)
Length: Jobber length
Material: Cobalt alloy
Series: D/ACO
Pack quantity: 12 pieces
Features
Cobalt composition delivers improved wear resistance for drilling hard metals, helping maintain edge life in stainless steel and alloy steels.
Jobber-length geometry provides a balance of reach and rigidity for through-holes and pilot holes in metalworking tasks.
Part of the D/ACO Series, offering a specialized cobalt drill bit option for precision metalworking needs.
Ideal for fabrication, automotive repair, and shop applications where small-diameter holes are required in tough materials.
Practical drilling tips: use cutting oil or coolant and moderate speeds to manage heat on small diameters; start with a pilot hole if working with very hard material.
Physical
Pack quantity: 12 pcs
Diameter: #79 (0.239 in)
Length: Jobber
Series: D/ACO
Material: Cobalt alloy





