ClassID:

41134

B23B2251/046 - CPC Classification

Classification description:

Details of tools for drilling machines; Angles, e.g. cutting angles; Helix angles Variable

Recent Application in this class:
#1
20260061501
2026-03-05

DRILL

#2
20240375192
2024-11-14

DRILLING TOOL

#3
20240082929
2024-03-14

TWIST DRILL WITH MULTI-STEP DRILL POINT

#4
20230390833
2023-12-07

ANNULAR HOLE CUTTER

#5
20220362863
2022-11-17

Spiral step twist drill bit

#6
20220339715
2022-10-27

Drill bit

#7
20210154728
2021-05-27

Manufacturing process, tool stand, and drill bit

#8
20200156162
2020-05-21

Orbital drill with left-handed and right-handed flutes

#9
20200001376
2020-01-02

DRILLING TOOL

#10
20190283144
2019-09-19

Tool bit replaceable rotary cutting tool and rotary cutting method and tool bit mounting method thereof

#11
20190232391
2019-08-01

Drill bit

#12
20190168316
2019-06-06

Drill and drilling device including the same

#13
20190015892
2019-01-17

Manufacturing process, tool stand, and drill bit

#14
20180326618
2018-11-15

Drilling tool

#15
20180250756
2018-09-06

Drill and method for manufacturing cut product using same

#16
20180177054
2018-06-21

Drill bit for use in forming holes in printed circuit boards

#17
20170326652
2017-11-16

Drill and method of manufacturing machined product using the same

#18
20170129022
2017-05-11

Step drill bit with variable helical flute

#19
20160361769
2016-12-15

Rotary tool and method for manufacturing a rotary tool

#20
20160256937
2016-09-08

ROTARY TOOL AND METHOD FOR PRODUCING A ROTARY TOOL

#21
20160207120
2016-07-21

Drill and method for manufacturing cut product using same

#22
20160158851
2016-06-09

Iron-Cutting Drill

#23
20160129506
2016-05-12

Drill

#24
20160074944
2016-03-17

Drill and method for manufacturing cut product using same

#25
20150360302
2015-12-17

Rotary tool and method for manufacturing a rotary tool

#26
20150183031
2015-07-02

Micro-drill and method for manufacturing the micro-drill

#27
20150050095
2015-02-19

Milling and boring tool

#28
20140363249
2014-12-11

Drill

#29
20130039709
2013-02-14

Twist drill for advanced materials

#30
20130004253
2013-01-03

Drilling/reaming tool

#31
20120288337
2012-11-15

Rotary cutting tool having PCD cutting tip

#32
20120269591
2012-10-25

DRILL FOR COMPOSITE MATERIAL AS WELL AS MACHINING METHOD USING SAME AND MACHINING APPARATUS USING SAME

#33
20120237305
2012-09-20

Multi-Functional Cutting Tool and Tool Holder Therefor

#34
20120107061
2012-05-03

Cutting tools, cutting tool holders and cutting inserts therefor

#35
20120051863
2012-03-01

Combination end milling/drilling/reaming cutting tool

#36
20120039680
2012-02-16

Drill and method of cutting workpiece using the same

#37
20120020751
2012-01-26

Multi-directionally fluted rotary cutting tool

#38
20110318128
2011-12-29

Drill tip and drilling tool having a drill tip

#39
20100329802
2010-12-30

Cutting drill and method for manufacturing printed wiring board

#40
20090047084
2009-02-19

Helical multilevel cutting tool

#41
20090016832
2009-01-15

Drill

#42
20070020054
2007-01-25

Rotatable tool and a blank

#43
20060285935
2006-12-21

Drill structure having cutting blade

#44
20060204345
2006-09-14

Drill bit

#45
20050135887
2005-06-23

Twist drill

#46
20050047951
2005-03-03

Method and apparatus for manufacturing a blank for a rotary cutting tool