The spot welding cutter set is made of high-standard high-speed steel. High strength and hardness that the spot welding plate is quickly separated and does not deform. The center pin on the drill bit is spring loaded. The drilling is stable, the resistance is small, the speed is fast, and the edge is not broken. This product is very suitable for removing spot-welded panels or metal plates without distorting the metal or damaging the underlying panel, thus reducing the need to pry and the weld. The spot welding cutting drill can easily separate the spot welding panel without distorting the metal plate. The spot welding tool has double-sided blades, so the product efficiency is high. Double-sided blade with high efficiency. Specially used for iron, cast iron, alloy steel, carbon steel, die steel, die grinder, drilling, automobile body renovation, etc. Name:Solder joint removal drill set Colour:Black & Silver Material:steel Package Contents: 1 * Solder joint removal drill set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.