Eagle Cutting Tool S304-101-I Cobalt Jobber Drill

Product Description

The EAGLE CUTTING TOOL S304-101-I is a 1-inch cobalt jobber-length drill bit designed for heavy-duty drilling in metal, stainless steel, cast iron, and other hard materials. Cobalt construction provides superior heat resistance compared to standard high-speed steel, making this bit suitable for demanding production and maintenance applications. At 0.4 pounds, it is a solid, full-size tool appropriate for use in drill presses, magnetic base drills, and heavy-duty handheld equipment. Licensed tradespeople and industrial maintenance technicians will find this bit well-suited to metal fabrication, pipefitting, and mechanical service work.

This drill bit is intended for professional use in applications requiring a full 1-inch bore in metallic workpieces. Jobber-length geometry provides a balanced ratio of flute length to overall length, making it versatile for general-purpose through-hole and blind-hole drilling. It is commonly used in HVAC installation, plumbing rough-in, electrical conduit work, and structural steel fabrication where large-diameter holes are required in metal substrate.

Key Features

• Cobalt construction for improved heat resistance and longer tool life in hard metals
• 1-inch diameter for large-bore drilling applications
• Jobber-length geometry balances reach and rigidity for general-purpose use
• Weighs 0.4 pounds for a solid, full-size tool feel
• Minimum order quantity of 1 unit

Compatibility

Designed as a general-purpose large-diameter cobalt jobber drill compatible with standard drill chucks and drill presses accepting 1-inch shank tooling in trade and industrial applications.

Installation Notes

This drill bit is installed by machinists, pipefitters, electricians, and HVAC technicians using drill presses or heavy-duty handheld drill equipment rated for the required torque. Ensure the workpiece is securely clamped before starting and use appropriate cutting fluid or lubricant when drilling hard metals to extend tool life and manage heat. Inspect the bit for wear or damage before each use. Follow applicable workplace safety standards and personal protective equipment requirements when operating large-diameter drill tooling.

Technical Specifications

• Diameter: 1 inch
• Drill Type: Jobber Length
• Material: Cobalt
• Weight: 0.4 pounds
• Minimum Order Quantity: 1

Standard Information

• Brand: EAGLE CUTTING TOOL
• Manufacturer Part Number: S304-101-I