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Class Information
Number: 408/225
Name: Cutting by use of rotating axially moving tool > Tool or tool with support > Having stepped cutting edges > Axially spaced > With central lead
Description: Device including a bearing member axially advanced of said cutting edges and specifically adapted to fit into an existing surface configuration of the work and thereby restrict the path of the tool while in operation.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7572088 |
Deep hole boring head and deep hole boring method for boring a production piece |
Aug. 11, 2009 |
| 7556459 |
Hole saw having a drill bit with a pilot tip |
Jul. 7, 2009 |
| 7540696 |
Spot drilling insert |
Jun. 2, 2009 |
| 7520703 |
Twist drill with a pilot tip |
Apr. 21, 2009 |
| 7473056 |
Spade bit |
Jan. 6, 2009 |
| 7455129 |
Drilling and/or chiseling tool |
Nov. 25, 2008 |
| 7357606 |
Self-advancing step-tap tool |
Apr. 15, 2008 |
| 7267514 |
Self-centering drill bit with pilot tip |
Sep. 11, 2007 |
| 7246976 |
Spade bit |
Jul. 24, 2007 |
| 7201544 |
Deep hole boring drill |
Apr. 10, 2007 |
| 7147414 |
Spur point drill insert |
Dec. 12, 2006 |
| 7147409 |
Drill countersink assembly |
Dec. 12, 2006 |
| 7140814 |
Spade-type drill bit having helical configuration |
Nov. 28, 2006 |
| 7108460 |
Unitized drill bit |
Sep. 19, 2006 |
| 7001120 |
Drilling tool |
Feb. 21, 2006 |
| 6957937 |
Spade bits with angled sides |
Oct. 25, 2005 |
| 6890133 |
Stepped drill bit having split tip |
May. 10, 2005 |
| 6857832 |
Drill bit with pilot point |
Feb. 22, 2005 |
| 6652202 |
Drill bit apparatus and method of manufacture of same |
Nov. 25, 2003 |
| 6652203 |
Precision drill bits |
Nov. 25, 2003 |
| 6612788 |
Self-feed wood bit |
Sep. 2, 2003 |
| 6511267 |
Tool for removing broken fittings |
Jan. 28, 2003 |
| 6431801 |
Drill bit for non-linear drilling |
Aug. 13, 2002 |
| 6428250 |
Drill bit for wood drilling |
Aug. 6, 2002 |
| 6394714 |
Drill bit |
May. 28, 2002 |
| 6354774 |
Forstner drill bit |
Mar. 12, 2002 |
| 6354773 |
Wood boring drill bit |
Mar. 12, 2002 |
| 6312432 |
Bone drill |
Nov. 6, 2001 |
| 6290439 |
Method and apparatus for forming parts from a continuous stock material and associated forge |
Sep. 18, 2001 |
| 6227774 |
Spade drill bit |
May. 8, 2001 |
| 6135681 |
Flat bottom tool |
Oct. 24, 2000 |
| 6120225 |
Lamina-shaped borepiece for self-boring fastening elements |
Sep. 19, 2000 |
| 6120220 |
Rotary cutting tool |
Sep. 19, 2000 |
| 6113321 |
Roll-forged drill bit |
Sep. 5, 2000 |
| 6107150 |
Method of making high performance transistors using channel modulated implant for ultra thin oxide formation |
Aug. 22, 2000 |
| 6071046 |
Drill |
Jun. 6, 2000 |
| 6033161 |
Revolving pilot tool |
Mar. 7, 2000 |
| 6024520 |
Auger drill bit |
Feb. 15, 2000 |
| 5997222 |
Externally indexing countersink pilot guide |
Dec. 7, 1999 |
| 5980169 |
Brad point drill bit |
Nov. 9, 1999 |
| 5975814 |
Cylindrical head boring tool |
Nov. 2, 1999 |
| 5931841 |
Combination broacher-reamer for use in orthopaedic surgery |
Aug. 3, 1999 |
| 5915893 |
Multistage bit and stopper |
Jun. 29, 1999 |
| 5915895 |
Drilling and chamfering tool |
Jun. 29, 1999 |
| 5888035 |
System for installing a length of cable within a wall |
Mar. 30, 1999 |
| 5810523 |
Apparatus for drilling a hole having an undercut space |
Sep. 22, 1998 |
| 5782636 |
Bone contouring tool |
Jul. 21, 1998 |
| 5779403 |
Percussive blow assisted rotary drill |
Jul. 14, 1998 |
| 5700113 |
Spade-type boring bit and an associated method and apparatus for forming metallic parts |
Dec. 23, 1997 |
| 5697738 |
Spade-type boring bit having chamfered corner portions |
Dec. 16, 1997 |
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