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Materials & Applications
Compatibility
Materials & Applications
Recommended use cases for this product across common industrial materials and jobsite applications.
Aluminum, Brass, Copper, Plastics, Wood, Mild steel (light-duty use)
Flat-head screw installation
Fabrication and assembly
Maintenance and repair
Installation work
Production drilling where speed matters
Product details
Technical Description
Essential product information, specifications, and recommended use before ordering.
Champion 798-2 #2 60° HSS Center Drill & Countersink | 3/16" Body x 5/64" Drill — Plain-Style Combined Drill for Machine Centers
The Champion 798-2 (#2) is an exact 3/16" body x 5/64" drill HSS center drill and countersink. Its integrated drill and 60° countersink produce a concentric center hole in one setup, helping prepare the ends of work held between centers on a lathe or machine center.
This plain-style combination tool combines drilling and countersinking without changing tools. The high-speed steel construction is suited to repeatable center-hole work in production, fabrication, maintenance and general machining applications where accurate alignment and a clean conical seat are required.
Technical Specifications
| Manufacturer part number | 798-2 |
|---|---|
| Standard size | #2 |
| Body diameter | 3/16" |
| Drill diameter | 5/64" |
| Overall tool length | 1-7/8" |
| Included angle | 60° |
| Tool style | Plain-style combined drill and countersink |
| Material | High-speed steel (HSS) |
| Source variant configuration | 3/16" Body Ø | 5/64" Drill Ø & Length |
Applications
Use this Champion 798-2 center drill for producing center holes in the ends of shafts and other work held on machine centers. It is also suitable for lathe work, drill presses, Bridgeport-style machines, production drilling, fabrication, assembly and maintenance involving flat-head or center-hole geometry.
Why Use a Combined Center Drill?
The integrated HSS drill and countersink keeps the pilot hole and 60° conical seat aligned in a single operation. This helps reduce tool changes, improve repeatability and create a clean starting point for turning between centers or seating a compatible center.
Secure the workpiece, use the correct speed and feed for the material, apply suitable cutting fluid when required and wear appropriate eye protection. Cutting tools may shatter if misused; follow the machine and tool manufacturer's instructions.
Most Interesting Product Feature
Product highlight
Most Interesting Product Feature
- Production-Grade One-Pass Accuracy — The 798 series is built for higher-duty work, maintaining concentric alignment and consistent countersink geometry across repeated operations, which is critical in production and fabrication environments.
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