HSS Combined Center Drill 60° Countersink Bit for Metal
HSS Combined Center Drill 60° Countersink Bit for Metal
HSS Combined Center Drill & 60° Countersink Bit for Metal
Get precision-starting holes and clean countersink angles in one efficient step with this HSS Combined Center Drill and 60-Degree Countersink Bit. Machined from premium High Speed Steel (HSS), this dual-function bit handles center-drilling and countersinking simultaneously — saving you time and tool changes on every job.
Whether you're a hobbyist, machinist, or workshop professional, this bit delivers consistent, accurate results on metal, wood, and other materials. The 60° countersink angle is the industry standard for lathe center holes, bolt head seating, and deburring.
Key Features
- Material: High Speed Steel (HSS) — durable, heat-resistant, and long-lasting
- Angle: 60-degree countersink for standard lathe and fastener applications
- Combined function: Center drill and countersink in a single, compact bit
- Versatile sizing: Available in multiple sizes (1.0mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm, 5.0mm)
- Wide compatibility: Works with standard drill presses, lathes, and hand drills
- Precision-ground tip: Ensures accurate starting points and prevents drill wander
- Clean finish: Produces smooth countersink profiles for professional results
What's Included
- 1 x HSS Combined Center Drill & 60° Countersink Bit (size of your choice)
Ideal For
- Metalworking and machining
- Lathe center-hole preparation
- Countersinking screw/bolt holes in metal
- Deburring and chamfering operations
- DIY workshop and professional fabrication
For guidance on safe tool use and workshop best practices, visit the OSHA Hand and Power Tools Safety page.
Frequently Asked Questions
Q: What is an HSS Combined Center Drill and 60° Countersink Bit used for?
A: This bit performs two tasks in one pass — it drills a precise center-starting hole and creates a 60-degree countersink profile. It is widely used in metalworking, lathe work, and machining to prepare accurate hole starts and seat fastener heads cleanly in metal and other materials.
Q: What sizes are available for the HSS Combined Center Drill Bit?
A: This bit is available in multiple sizes: 1.0mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm, and 5.0mm — covering a wide range of center-drilling and countersinking applications from fine detail work to heavier stock.
Q: Why is High Speed Steel (HSS) the preferred material for center drill bits?
A: High Speed Steel (HSS) is valued for its excellent hardness, heat resistance, and durability. It maintains a sharp cutting edge even under the friction and heat generated during metal drilling, making it the go-to material for precision machining bits like center drills and countersinks.
Q: Is this bit compatible with standard drill presses and lathes?
A: Yes. The HSS Combined Center Drill & 60° Countersink Bit is designed for compatibility with standard drill presses, metal lathes, and hand drills with a suitable chuck size, making it a versatile addition to any workshop setup.