B23B2251/20 - CPC Classification Index

ClassID:

41145 ⎘

B23B2251/20 - CPC Classification

Classification description:

Details of tools for drilling machines Number of cutting edges

Sub-classes:

MICRO-REINFORCED CONCENTRIC TWIST DRILL

DRILL HEAD, TIP EXCHANGE DRILL, AND DRILL

Step drill bit and method for drilling a workpiece by using a step drill bit

Drill and method of manufacturing machined product

DRILL

Drill and method for manufacturing machined product using same

MULTI-EDGE DRILL BIT