SK62512 – 12mm 90° Countersink Burr, 6mm Shank Single Cut for Steel & Cast Iron

The SK62512 is a 90° countersink carbide burr with a 12mm head and 6mm shank, designed for chamfering, deburring, and countersinking in steel, stainless, and cast iron. The single-cut fluting gives you a smooth finish and precise control—ideal for prepping holes, breaking edges, or cleaning up after drilling.

Whether you're chasing a clean seat for a fastener or knocking off a burr that doesn’t belong, this burr gets it done without fuss.

Specs:

• Shape: 90° Countersink (Type K)
• Head diameter: 12mm
• Cut length: 12mm
• Shank: 6mm
• Overall length: 61mm
• Cut type: Single cut
• Material: Brazed solid carbide

Recommended RPM: 8,000–14,000 depending on material.