Eagle Cutting Tool S300-025-I Cobalt Jobber 25/64 in

Product Description

The EAGLE CUTTING TOOL S300-025-I is a 25/64-inch cobalt jobber-length drill bit designed for demanding metal drilling applications. Cobalt construction provides elevated heat resistance compared to standard high-speed steel, making this bit suitable for drilling hardened steels, stainless steel, cast iron, and other tough ferrous and non-ferrous materials. The jobber-length body offers a balance of reach and rigidity that suits general-purpose hole-making on the shop floor, in fabrication, and in the field. Machinists, pipefitters, ironworkers, and maintenance technicians are the primary users of this type of bit.

This drill bit is intended for use in hand drills, drill presses, and magnetic-base drills where a 25/64-inch finished hole is required. Common applications include bolt-hole prep, clearance holes for fasteners, and rough boring prior to reaming in structural steel, plate work, and mechanical assemblies. The jobber-length format fits standard three-jaw chucks without adapters in most shop and field setups.

Key Features

• 25/64-inch cutting diameter for precise hole sizing
• Cobalt construction for improved heat and wear resistance over standard HSS
• Jobber-length body balances reach with torsional stiffness
• Compatible with standard three-jaw drill chucks
• Minimum order quantity of 1 unit

Compatibility

Designed as a general-purpose jobber-length drill bit suitable for use in hand drills, drill presses, and magnetic-base drills equipped with standard three-jaw chucks accepting 25/64-inch shank sizes.

Installation Notes

This bit is installed by a machinist, fabricator, or maintenance technician using a standard drill chuck. Secure the shank fully in the chuck and verify runout before drilling. Use appropriate cutting fluid when drilling hardened or stainless steel to extend bit life and reduce heat buildup. Follow applicable shop safety protocols, including guarding and eye protection, per OSHA and facility standards.

Technical Specifications

• Cutting Diameter: 25/64 inches
• Drill Type: Jobber Length
• Material: Cobalt
• Weight: 1.2 pounds
• Minimum Order Quantity: 1

Standard Information

• Brand: EAGLE CUTTING TOOL
• Manufacturer Part Number: S300-025-I