Description
Professional-grade combined drill bit and countersink designed for precision drilling and countersinking in metalworking and fabrication environments. Carbide construction with a round shank provides compatibility with standard chucks and tool holders for reliable performance.
Specs
- Dimensions: Drill diameter #4; Overall length 2-1/8 inch; Shank diameter 5/16 inch
- Drive type: Round shank
- Material: Carbide
Features
- Single-pass operation: Drills and countersinks in one motion, reducing cycle time and setup complexity.
- Carbide construction: High hardness and wear resistance for extended tool life in hard metals and alloys.
- Shank compatibility: 5/16 inch round shank fits standard toolholders, collets, and chucks.
- Hole quality: Maintains concentricity between drilled hole and countersunk feature for flush fastener seating.
- Industrial applicability: Suitable for metal fabrication, automotive assembly, equipment maintenance, and aerospace manufacturing workflows.
Can We Help?
If you’re not sure that this product is right for you, give us a call!
800-222-0324

