Drills are used to drill through holes or blind holes on solid materials, and can enlarge existing holes. The commonly used bits are twist drill, flat drill, center drill, deep hole drill and casing drill. Although reamer and spot facer can't drill on solid mate...

The universal sharpener can be used to grind all kinds of high-speed steel and hard alloy engraving tools and single-sided or multi-sided tools that are similar to rounded corners or reverse taper angles. The grinding indexing head can be operated in 24 positions to...