B23B2251/24 - CPC Classification Index

ClassID:

41152 ⎘

B23B2251/24 - CPC Classification

Classification description:

Details of tools for drilling machines Overall form of drilling tools

Sub-classes:

B23B2251/241 » Cross sections of the diameter of the drill 23
B23B2251/247 » Drilling tools having a working portion at both ends of the shank 13
B23B2251/248 » Drills in which the outer surface is of special form 23

Recent Application in this class:

20260145249

2026-05-28

DRILL BIT WITH REMOVABLE SLEEVE AND METHOD FOR USING THE SAME

20220274158

2022-09-01

Rivet block including integrated rivet feed bores

20210245269

2021-08-12

Lower drill tool for precision forming of openings in a bracket, and methods of use

20210245235

2021-08-12

Rivet block including integrated rivet feed bores

20210229189

2021-07-29

Step drill and manufacturing method for step drill

20210213583

2021-07-15

Apparatus and method for deburring a tubular workpiece

20210086273

2021-03-25

Hole-saw with brazed or welded endcap

20210060662

2021-03-04

Twist drill

20210016371

2021-01-21

TAPERED COUNTERSINK DRILL BIT

#10

20200391306

2020-12-17

Core drill bit

#11

20200094331

2020-03-26

Twist drill

#12

20170209942

2017-07-27

Drill structure

#13

20160263658

2016-09-15

Pipe de-burring assembly

#14

20140301798

2014-10-09

CUTTING TOOL AND METHOD OF MANUFACTURING THE SAME

#15

20140294527

2014-10-02

Tool head and method for machining a metallic workpiece

#16

18391429

2025-04-08

Twist drill

#17

18095119

2024-01-09

Twist drill

#18

17321373

2023-01-17

Twist drill