ClassID:

41163

B23B2251/40 - CPC Classification

Classification description:

Details of tools for drilling machines Flutes, i.e. chip conveying grooves

Sub-classes:
Recent Application in this class:
#1
20260124787
2026-05-07

MASONRY DRILL HEAD

#2
20260001147
2026-01-01

TWIST DRILL WITH LONG LIFE AND EASY CUTTING

#3
20250381604
2025-12-18

STEP DRILL BIT

#4
20250256338
2025-08-14

DRILL BIT

#5
20250214155
2025-07-03

DRILL AND METHOD OF MANUFACTURING MACHINED PRODUCT

#6
20250050432
2025-02-13

DRILL WITH IMPROVED CHIP EVACUATION

#7
20240367239
2024-11-07

DRILL

#8
20240261878
2024-08-08

DRILL

#9
20240165717
2024-05-23

DRILL HEAD, TIP EXCHANGE DRILL, AND DRILL

#10
20240091866
2024-03-21

GLASS FIBER REINFORCED SUBSTRATE DRILL AND METHOD OF FORMING THROUGH HOLES IN GLASS FIBER REINFORCED SUBSTRATE

#11
20240066611
2024-02-29

Cutting tool

#12
20240033832
2024-02-01

Rotary Tool and Method for Manufacturing Such a Rotary Tool

#13
20230364684
2023-11-16

CUTTING INSERT, ROTARY TOOL, AND METHOD FOR MANUFACTURING MACHINED PRODUCT

#14
20230256524
2023-08-17

DRILL

#15
20230226619
2023-07-20

DRILL

#16
20230182216
2023-06-15

Rotary cutting tool with tunable vibration absorber assembly for suppressing torsional vibration

#17
20230089637
2023-03-23

TWIST DRILL BIT

#18
20220314344
2022-10-06

DRILL AND METHOD FOR MANUFACTURING MACHINED PRODUCT

#19
20220314341
2022-10-06

Cutting tool

#20
20220288702
2022-09-15

ROTARY TOOL AND METHOD FOR MANUFACTURING MACHINED PRODUCT

#21
20220241872
2022-08-04

Drill

#22
20220184714
2022-06-16

INDEXABLE DRILL, CUTTING INSERT AND DRILL MAIN BODY

#23
20220055123
2022-02-24

CUTTING INSERT, ROTARY TOOL, AND METHOD FOR MANUFACTURING MACHINED PRODUCT

#24
20220001464
2022-01-06

METHOD OF PRODUCING DRILL

#25
20210268591
2021-09-02

Rotary cutting tool with tunable vibration absorber assembly for suppressing torsional vibration

#26
20210205899
2021-07-08

Drill and method of manufacturing machined product

#27
20210094106
2021-04-01

Cutting tool

#28
20210060661
2021-03-04

Rotary cutting tool with tunable vibration absorber assembly for suppressing torsional vibration

#29
20200353542
2020-11-12

Cutting tool and method for manufacturing machined product

#30
20200346290
2020-11-05

Drill

#31
20200338649
2020-10-29

Internal cooling passages for rotating cutting tools

#32
20200324348
2020-10-15

Small-diameter drill bit

#33
20200282475
2020-09-10

Rotary cutting tool with internal coolant passage

#34
20200230714
2020-07-23

CUTTING END MILL

#35
20200222994
2020-07-16

STEP DRILL BIT

#36
20200114434
2020-04-16

Rotary tool

#37
20190388979
2019-12-26

Drill bit and method for making a drill bit

#38
20190291189
2019-09-26

Cutting tool and method of manufacturing machined product

#39
20190270144
2019-09-05

Rotary tool and method for manufacturing machined product

#40
20190184474
2019-06-20

HOLE SAW STRUCTURE

#41
20190168313
2019-06-06

Drilling tool

#42
20190143423
2019-05-16

Cutting tool

#43
20190143422
2019-05-16

Step drill bit

#44
20180281085
2018-10-04

Parabolic instrument

#45
20180257151
2018-09-13

Cutting tool

#46
20180243840
2018-08-30

Drill and method of manufacturing machined product using the same

#47
20180147641
2018-05-31

Drill and method of manufacturing machined product

#48
20180099337
2018-04-12

Devices for Broken Drill Bit Removal

#49
20180065191
2018-03-08

Tool shank with head support surface having central recess provided with resiliently displaceable abutment portions

#50
20180056403
2018-03-01

DRILL

#51
20180043441
2018-02-15

Drill

#52
20170341159
2017-11-30

Drill and method for manufacturing machined product using same

#53
20170326651
2017-11-16

Step drill bit

#54
20170274461
2017-09-28

DRILL AND DRILL HEAD

#55
20170225241
2017-08-10

Drill and method of manufacturing machined product using the same

#56
20150183031
2015-07-02

Micro-drill and method for manufacturing the micro-drill

#57
20140363244
2014-12-11

Step drill bit

#58
20140321931
2014-10-30

HYBRID CUTTING TOOL, CHIP TRANSPORTING PORTION AND PROCESS FOR PRODUCING A CUTTING TOOL

#59
20140294529
2014-10-02

Drill

#60
20140219737
2014-08-07

Drill

#61
20110318128
2011-12-29

Drill tip and drilling tool having a drill tip