knurling cutter

例句：

1. 1. This knurling cutter is perfect for cutting intricate shapes on metal.
   这把滚花刀非常适合在金属上切割复杂的形状。
2. 2.The engineer used a knurling cutter to smooth the surface of the machine before assembly.
   工程师使用滚花刀来平滑机器的表面，以便组装。
3. 3. Knurling cutters are commonly used in jewelry making and metalworking.
   滚花刀常用于珠宝制作和金属加工。