Sworker Carbide Burr Set 1/4" Shank 10PCS Die Grinder Bits Rotary Rasp File for Metal Wood Weld Concrete Stone Grinding Porting Deburring Engraving Polishing Double Cut

Used them in my die grinder recently, they do the job well. Love the case and little wood holder that you get with them.

El producto es excelente, sin embargo me llegó con la cajita quebrada, pero no es culpa de quien lo envía si no de la paquetería al momento de transportarlos sin embargo se tardó bastante la entrega era a domicilio tuve que pasar a ocurre DHL,les dejo una imagen del producto

Seem Ok.

Cuts fast, fairly durable and cheap. As long as you don't let them grab/skip/jump they cut steel nicely without wearing. update 8 June 2026: Still in good condition and quite handy. I bought them at 40$, lowest price they have been is 30$

for an inexpensive set of die grinder bits this works great. I have been impressed with the cutting ability and the fact I have used this a lot and seems to keep its sharpness. The sizes are nice! I would recommend