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Boring Tools

Boring tools- LittleMachineShop.com

LittleMachineShop.com has the boring tools you need for your shop. We carry boring tools for your lathe and your mill.

1700   Boring Bar Holder, 1/2"
1/2" Boring bar holder. This simple boring bar holder fits in the standard 4-way tool post. It holds boring bars with 1/2" shanks.

1247   Boring Bar Set, 1/2" Shank, Carbide

  • Set of nine boring bars - 3 lengths for each min. bore size
  • Shank diameter 1/2"
  • Hardened and ground to +0” - .0005”
  • Shanks are made of special heat treated alloy steel
  • Designed so the same bar can bore flat
This carbide tipped 9-piece boring bar set includes three different length boring bars each for minimum bores of 5/16", 7/16", and 9/16". The bore depth ranges from 3/4" to 3". The heat treated, alloy steel shanks are held to 0.000 to -0.0005" from the nominal diameter. The holder may vary from that shown in the photo.

3768   Boring Bar Set, 1/2" Shank, Carbide with Holder for Mini Lathe

  • Set of nine boring bars - 3 lengths for each min. bore size
  • Boring bar holder for standard mini lathe tool post
  • Shank diameter 1/2"
  • Hardened and ground to +0” - .0005”
  • Shanks are made of special heat treated alloy steel
This carbide tipped 9-piece boring bar set includes three different length boring bars each for minimum bores of 5/16", 7/16", and 9/16". The bore depth ranges from 3/4" to 3". The heat treated, alloy steel shanks are held to 0.000 to -0.0005" from the nominal diameter. The boring bar holder fits in the standard 4-way tool post on 7x10, 7x12, and 7x14 mini lathes. It holds boring bars with 1/2" shanks. The stand may vary from that shown in the photo.

2682   Boring Bar Set, 1/2" Shank, HSS

  • Set of ten boring bars, depth ranges from 3/4" to 2 1/4"
  • Shank diameter 1/2"
  • One piece M42 8% Solid Cobalt
  • Hardened and ground to +0” - .0005”
  • Minimum bores of 5/16", 7/16" and 9/16"
This high speed steel 10-piece boring bar set includes boring bars for minimum bores of 5/16", 7/16", and 9/16". The bore depth ranges from 3/4" to 2 1/4". The boring bars are made from M42 8% cobalt high speed steel. The shanks are held to 0.000 to -0.0005" from the nominal diameter. The stand may vary from that shown in the photo.

3832   Boring Bar Set, 3/4" Shank, Carbide
This carbide tipped 12-piece boring bar set includes three different length boring bars each for minimum bores of 7/16", 9/16", 11/16, and 13/16. The bore depth ranges from 1-1/8" to 4-1/2". The heat treated, alloy steel shanks are held to 0.000 to -0.0005" from the nominal diameter. The stand may vary from that shown in the photo.

1246   Boring Bar Set, 3/8" Shank, Carbide

  • Set of nine boring bars - 3 lengths for each min. bore size
  • Shank diameter 3/8"
  • Hardened and ground to +0” - .0005”
  • Shanks are made of special heat treated alloy steel
  • Designed so the same bar can bore flat
This carbide tipped 9-piece boring bar set includes three different length boring bars each for minimum bores of 5/16", 3/8", and 7/16". The bore depth ranges from 3/4" to 2-1/4". The heat treated, alloy steel shanks are held to 0.000 to -0.0005" from the nominal diameter. The holder may vary from that shown in the photo.

2683   Boring Bar Set, 3/8" Shank, HSS

  • Set of eight boring bars, depth ranges from 3/4" to 1 11/16"
  • Shank diameter 3/8"
  • One piece M42 8% Solid Cobalt
  • Hardened and ground to +0” - .0005”
  • Minimum bores of 5/16" and 3/8", and two bars at 7/16"
This high speed steel 8-piece boring bar set includes three different length boring bars each for minimum bores of 5/16" and 3/8", and two boring bars for minimum bores of 7/16". The bore depth ranges from 3/4" to 1-11/16". The boring bars are made from M42 8% cobalt high speed steel. The shanks are held to 0.000 to -0.0005" from the nominal diameter. The stand may vary from that shown in the photo.

1721   Boring Bar, 1/2" Indexable, HSS Triangle Inserts, A R Warner

  • 1/2" diameter, 5" long boring bar with TPMW-221 insert
  • 2 extra TPMW-221 high speed steel inserts
  • 1 extra Torx screw
  • 1 wrench
This Arthur R. Warner Co. precision boring bar uses high speed steel inserts. Combine the advantages of high speed steel cutting tools with the convenience of indexable tooling. The Arthur R. Warner Co. is a family-owned American manufacturer of high speed steel products with specialization in cutting, shaping, pre-grinding, heat treating, and finish grinding of premium grades of flat high speed steel. Their quality is excellent and LittleMachineShop.com is proud to carry their products.

1780   Boring Bar, 1/2" Indexable, S-SCLCR8-3

  • Profiling bars for semi-finishing and finishing operations
  • Designed for CCMT 80° inserts
  • 7° Relief angle
  • Negative 5° Lead angle for boring
  • 3° Side & end cutting edge angle
This 1/2" diameter indexable boring bar uses CCMT inserts. Minimum bore diameter is 0.625" Use CCMT 32.51 or CCMT 32.52 inserts with this boring bar.

5608   Boring Bar, 1/2" Indexable, S08M-SCLCL-2, Tormach

  • Designation: S08M-SCLCL-2 (Left)
  • Steel shank 1/2" x 6" Left hand design
  • Designed for CCMT and CCGT inserts
  • Approach 95°, 7° relief angle
  • Insert Shape: 80° Rhombus (C)
Left hand Boring Bar. Includes wrenches and (1) insert.

5607   Boring Bar, 1/2" Indexable, S08M-SCLCR-2, Tormach

  • Designation: S08M-SCLCR-2
  • Steel shank 1/2" x 6"
  • Designed for CCMT and CCGT inserts
  • Approach 95°, 7° relief angle
  • Insert Shape: 80° Rhombus (C)
Right hand Boring Bar. Includes wrenches and (1) insert.

4788   Boring Bar, 3/8" Indexable, 80 Deg HSS Diamond Inserts, A R Warner

  • 3/8" diameter, 5" long boring bar
  • 3 CEMW-21.5.5 high speed steel inserts
  • 1 extra Torx screw
  • 1 wrench
This Arthur R. Warner Co. precision boring bar uses high speed steel inserts. Combine the advantages of high speed steel cutting tools with the convenience of indexable tooling. The minimum boring diameter is 0.330". The Arthur R. Warner Co. is a family-owned American manufacturer of high speed steel products with specialization in cutting, shaping, pre-grinding, heat treating, and finish grinding of premium grades of flat high speed steel. Their quality is excellent and LittleMachineShop.com is proud to carry their products.

1720   Boring Bar, 3/8" Indexable, HSS Triangle Inserts, A R Warner

  • 3/8" diameter, 5" long boring bar with TPMW-1.81.5.5 insert
  • 2 extra TPMW-1.81.5.5 high speed steel inserts
  • 1 extra Torx screw
  • 1 wrench
This Arthur R. Warner Co. precision boring bar uses high speed steel inserts. Combine the advantages of high speed steel cutting tools with the convenience of indexable tooling. The Arthur R. Warner Co. is a family-owned American manufacturer of high speed steel products with specialization in cutting, shaping, pre-grinding, heat treating, and finish grinding of premium grades of flat high speed steel. Their quality is excellent and LittleMachineShop.com is proud to carry their products.

1779   Boring Bar, 3/8" Indexable, S-SCLCR6-2

  • Profiling bars for semi-finishing and finishing operations
  • Designed for CCMT 80° inserts
  • 7° Relief angle
  • Negative 5° Lead angle for boring
  • 3° Side & end cutting edge angle
This 3/8" diameter indexable boring bar uses CCMT inserts. Minimum bore diameter is 0.50" Use CCMT 21.51 or CCMT 21.52 inserts with this boring bar.

5606   Boring Bar, 3/8" Indexable, S06H-SCLCL-2, Tormach

  • Designation: S06H-SCLCL-2 (Left)
  • Steel shank 3/8" x 4" Left hand design
  • Designed for CCMT and CCGT inserts
  • Approach 95°, 7° relief angle
  • Insert Shape: 80° Rhombus (C)
Left hand Boring Bar. Includes wrenches and (1) insert.

5605   Boring Bar, 3/8" Indexable, S06H-SCLCR-2, Tormach

  • Designation: S06H-SCLCR-2
  • Steel shank 3/8" x 4"
  • Designed for CCMT and CCGT inserts
  • Approach 95°, 7° relief angle
  • Insert Shape: 80° Rhombus (C)
Right hand Boring Bar. Includes wrenches and (1) insert.

3719   Boring Bar, 5/16" Indexable, S-SCLCR4-2

  • Profiling bars for semi-finishing and finishing operations
  • Designed for CCMT 80° inserts
  • 7° Relief angle
  • Negative 5° Lead angle for boring
  • 3° Side & end cutting edge angle
This 5/16" diameter indexable boring bar uses CCMT inserts. The boring bar is 4" long. The minimum boring diameter is 0.437". Use CCMT 21.51 or CCMT 21.52 inserts with this boring bar. This boring bar does not come with an insert. You must purchase inserts separately.

5436   Boring Bar, 5/16" Indexable, S05 SCLCR06, Reduced Neck

  • 5/16" Shank diameter with .236" neck diameter
  • .315" minimum bore
  • 4" overall length, .985" neck length
  • Use CCMT-21.5 inserts, 7 degree relief
  • T-8 Torx wrench, M2.5x6 Screw
Screw down style.

5435   Boring Bars, Indexable, 80 Deg Diamond Inserts, 3 Piece

  • 3 piece set, 5/16", 3/8" and 1/2" diameter
  • Uses CCMT 80 degree diamond inserts
  • 7 degree relief angle, negative 5 degree lead angle for boring
  • 3 degree side and end cutting edge angle
  • Torx wrench and CCMT inserts included
Boring bars for semi-finishing and finishing operations. The 5/16" diameter bar is 4" long. The 3/8" diameter bar is 6" long. The 1/2" diameter bar is 7.75" long.

2456   Boring Head Arbor, Tormach TTS

  • Quick change boring head shank with 7/8-20 thread
  • Minimal clearance height for tool change
  • Repeatable tool positioning
  • Hardened and precision ground
Part of the Tormach Tooling System (TTS) this boring head arbor fits to 7/8-20 UN F mounted hears or other tooling with the 7/8-20 thread.

5404   Boring Head Set, 2MT Professional Grade

  • Offset: 5/8", Crosshole: 1/2"
  • Shank thread: 3/8"-16 UNC
  • Min/Max boring diameter: 0.394" / 5.906"
  • Max boring depth: 1.970"
Rugged design allows excellent rigity for chatter-free boring. Head features a threaded back for multiple shanks exchangeable. Set complet with boring head, boring shank, carbide tipped boring bars & L-shape Hex Wrenches. Dial on head with 0.0005" graduation for accurate hole sizing. Fitted durable carrying case included.

3830   Boring Head Set, 3MT

  • Includes boring head, 3MT shank, and 9-piece boring bar set
  • 2" diameter boring head holds 1/2" shank boring bars
  • The boring head offsets up to 5/8", dial is graduated in 0.001"
  • Minimum bore diameter is 5/16"
  • Maximum bore depth is 3"
The carbide tipped 9-piece boring bar set includes three different length boring bars each for minimum bores of 5/16", 7/16", and 9/16". The bore depth ranges from 3/4" to 3". The heat treated, alloy steel shanks are held to 0.000 to -0.0005" from the nominal diameter. The drawbar thread is 3/8"-16.

3662   Boring Head Set, R8

  • Includes boring head, R8 shank, and 9-piece boring bar set
  • 2" diameter boring head holds 1/2" shank boring bars
  • The boring head offsets up to 5/8", dial is graduated in 0.001"
  • Minimum bore diameter is 5/16"
  • Maximum bore depth is 3"
The carbide tipped 9-piece boring bar set includes three different length boring bars each for minimum bores of 5/16", 7/16", and 9/16". The bore depth ranges from 3/4" to 3". The heat treated, alloy steel shanks are held to 0.000 to -0.0005" from the nominal diameter.

5403   Boring Head Set, R8 Professional Grade

  • Offset: 5/8", Crosshole: 1/2"
  • Shank thread: 7/16"-20 UNC
  • Min/Max boring diameter: 0.394" / 5.906"
  • Max boring depth: 1.970"
Rugged design allows excellent rigity for chatter-free boring. Head features a threaded back for multiple shanks exchangeable. Set complet with boring head, boring shank, carbide tipped boring bars & L-shape Hex Wrenches. Dial on head with 0.0005" graduation for accurate hole sizing. Fitted durable carrying case included.

1630   Boring Head Shank, 2MT

  • 2MT Shank
  • 7/8" - 20 Mounting Thread
  • Tapped for 3/8" -16 Drawbar
  • Made of high grade tool steel
  • Hardened and ground
This boring head shank has a 2 Morse taper on one end and a 7/8 - 20 thread on the other. It is tapped for a 3/8"-16 drawbar. The boring head shank adapts our boring head to the mills with a 2 Morse taper spindle, and to the tailstock of the mini lathe.

1265   Boring Head Shank, 3MT

  • 3MT Shank
  • 7/8"-20 Mounting Thread
  • Tapped for 3/8" -16 Drawbar
  • Made of high grade tool steel
  • Hardened and ground
This boring head shank has a 3 Morse taper on one end and a 7/8 - 20 thread on the other. It is tapped for a 3/8"-16 drawbar. The boring head shank adapts our boring head to the mini mill with a 3 Morse taper spindle.

1626   Boring Head Shank, R8

  • R8 Shank
  • 7/8"-20 Mounting Thread
  • Tapped for 7/16"-20 Drawbar
  • Made of high grade tool steel
  • Hardened and ground
This boring head shank has an R8 taper on one end and a 7/8"-20 thread on the other. The boring head shank adapts our boring head to mills with an R8 spindle.

1266   Boring Head, 2"

  • 2" diameter boring head holds 1/2" shank boring bars
  • The boring head offsets up to 5/8"
  • Mounts on a shank with a 7/8"-20 thread
  • Dial is graduated in 0.001"
  • Bar holder moves freely and smoothly
Two inch round boring head designed with superior rigidity for chatter-free boring and precise hole size accuracy. Ground and hardened adjusting screw is designed for long lasting, trouble free use.

1968   Tool Bit, 1/4" Boring Bar, Presharpened
Presharpened 1/4" boring bar. Made from high speed steel.

3694   Turning & Boring Tools, 3/8" Indexable, HSS Inserts, A R Warner

  • Right and left hand turning tools with 0.375" shank 3.5" long
  • Boring bar with 0.375" shank 5.0" overall length
  • Includes three T-15 HSS (CCMW21.51) inserts for turning
  • Includes two T-15 HSS (CEMW21.51) inserts for boring
  • Includes two MS-1152S screws, three MS-1153 screws and one T-7 wrench
This Arthur R. Warner Co. kit includes a 3/8" right-hand turning tool, a 3/8" left-hand turning tool, and a 3/8" boring bar. The right hand turning bar has a 0.375” shank, and is 3.50” in overall length. The left hand turning bar has a 0.375” shank, and is 3.50” in overall length. The left hand turning bar has a second insert pocket in opposite end that provides a 50° side cutting edge angle. This provides a way to use the two insert points that are not used in the other tool holders. The boring bar has a 0.375” shank, and is 5.0” in overall length. It has 0.188" flat along length for location, and requires a 0.365" minimum bore. The Arthur R. Warner Co. is a family-owned American manufacturer of high speed steel products with specialization in cutting, shaping, pre-grinding, heat treating, and finish grinding of premium grades of flat high speed steel. Their quality is excellent and LittleMachineShop.com is proud to carry their products.

5433   Turning & Boring Tools, 3/8" Indexable, Triangle Inserts

  • 4 turning tools
  • 1 boring tool
  • Inserts and torx wrenches
  • 3/8" shank
  • Uses TCMT-12.51 inserts
Set comes in a fitted aluminum case

5432   Turning & Boring Tools, 5/16" Indexable, Triangle Inserts

  • 4 turning tools
  • 1 boring tool
  • Inserts and torx wrenches
  • 5/16" shank
  • Uses TCMT-1.81.51 Inserts
Set comes in a fitted aluminum case

3693   Turning 1/4" & Boring 3/8" Indexable Tools, HSS Inserts, A R Warner

  • Right and left hand turning tools with 0.250" shank 3.5" long
  • Boring bar with 0.375" shank 5.0" overall length
  • Includes three T-15 HSS (CCMW21.51) inserts for turning
  • Includes two T-15 HSS (CEMW21.51) inserts for boring
  • Includes two MS-1152S screws, four MS-1153 screws and one T-7 wrench
This Arthur R. Warner Co. kit includes a 1/4" right-hand turning tool, a 1/4" left-hand turning tool, and a 3/8" boring bar. The right hand turning bar has a 0.250” shank, and is 3.50” in overall length. The left hand turning bar has a 0.250” shank, and is 3.50” in overall length. The left hand turning bar has a second insert pocket in opposite end that provides a 50° side cutting edge angle. This provides a way to use the two insert points that are not used in the other tool holders. The boring bar has a 0.375” shank, and is 5.0” in overall length. It has 0.188" flat along length for location, and requires a 0.365" minimum bore. The Arthur R. Warner Co. is a family-owned American manufacturer of high speed steel products with specialization in cutting, shaping, pre-grinding, heat treating, and finish grinding of premium grades of flat high speed steel. Their quality is excellent and LittleMachineShop.com is proud to carry their products.
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