JIMI Upgrade 10Pcs 2mm Twist Drill Bit HSS-CO Stainless Steel Cobalt Metal For Bosch Dremel Rotary Tool

- Using HSS-CO Stainless Steel Material, more durable and shaper, easy to drill solid material, such as 304 stainless steel.

- Cylindrical double blade and double chip slot design, make drilling easier, easy to chip, no slipping.

- HSS-CO drill bit set for copper, iron, aluminum, wood, stainless steel, hardened steel, metal drilling.

- Can be used with electric hand drill, percussion drill for drilling operations.

1.To prevent the drill bit from burning out, remember not to drill cement.

2.Please add water when using, and wear goggles and protective cover when power is cut off.