Vortex Carbide Burr Type K - 90º Countersink - Single Cut - 12mm Diameter ISO Insert - SN Style With its left‑hand spiral flute

With its left‑hand spiral flute and right‑hand cutting

enabling high-performance drilling in stainless steel and other hard-to-cut materials

Small-diameter access for tight grooves: The compact 6

efficient performance for engineers

Vortex Carbide Burr Type K - 90º Countersink - Single Cut - 12mm Diameter ISO Insert - SN Style With its left‑hand spiral fluteThe Vortex Carbide Burr Type K 90 Countersink Single Cut is a precision cutting tool built to create accurate 90 degree countersinks in a variety of metals and hard materials. With a 12mm diameter and carbide construction, it delivers fast material removal alongside a smooth, chatter free finish, making it an ideal choice for engineers, buyers, tradespeople, hobbyists, and DIY enthusiasts who need reliable deburring and finishing. 90 countersink