Deal 4 Jobber Length Drill Bit Cobalt D/ACO4 (12 / Pkg.)

Specs

Product: [12 PKG] #4 Cobalt Jobber Length Drill Bit, D/ACO Series

Diameter: #4

Length: Jobber length

Material: Cobalt alloy

Packaging: 12 bits per package

Series: D/ACO

Features

High heat and wear resistance from cobalt alloy, enabling longer bit life in hard metals such as stainless steel and alloy steel.

Jobber-length design provides extended reach and rigidity for through-holes and deeper pockets compared to shorter drill styles.

12-pack offers ready-to-use quantity for repetitive drilling tasks in metalworking and fabrication workflows.

Part of the D/ACO Series, indicating a specialized geometry family tailored for demanding metal drilling scenarios.

Efficient chip evacuation and stable performance under higher torque when paired with proper feeds and lubrication.

Ideal for machinists, fabricators, and hobbyists working with tough metals requiring precise, repeatable hole sizes.

Physical

Diameter: #4

Length: Jobber length

Series: D/ACO

Quantity: 12 bits per package

Material: Cobalt alloy