5×D Carbide Drill for Stainless Steel | Internal / External Coolant | 1–11.7mm

BB SUS Drill

Internal-coolant and external-coolant variants are available. Confirm the coolant configuration in the selected variant before ordering.

Carbide Drill for Stainless Steel

Designed for CNC drilling of stainless steel and compatible steel applications, including 304 stainless steel where suitable cutting conditions are used.

Coolant Configuration

External Cooling：Center through-hole, better cooling effect, increased service life.
Internal Cooling：Solid high-hard tungsten carbide alloy, efficient processing
Internal coolant delivers coolant closer to the cutting zone to help remove heat and chips during continuous drilling.

The coolant for internal cooling drills acts directly on the cutting edge, rapidly removing heat and chips, making it suitable for continuous high-intensity machining.

Drilling Performance

Available with external- or internal-coolant configurations for different machine setups.

Round Shank

Designed for secure clamping in a compatible toolholder.

Carbide Material

Fine-grain carbide construction for rigidity, hardness and wear resistance.

Helical Flute & Chip Evacuation

150 Degree Drill Tip
Helical flutes support chip evacuation during drilling.

Applicable Equipment

Applicable Equipment
CNC Milling Machine
Machining Center
CNC Engraving Machine
Drilling Machine