• Specification：
  • 3" Boring Head
  • .0005/0-100 Graduation
  • 3/4" Boring Bar hole diameter
  • 3/4" Cross hole diameter
  • 1" maximum offset
  • 1 1/2"-18 thread size
  • R8 shank can be fitted on a 2", 3", or 4" boring head with 1.5"-18 thread size
  • 12 PCS carbide tip boring bar set
  • 12 pieces in one set
  • 3/4" shank diameter
  • Carbide tipped for steel and alloy steel
  • Plastic case included
  • For R8 spindle machines
  • Hardened and ground
  • Shank Dia. 3/4"
  • Product application
  • Shank Diameter  3/4" 12 pcs
  •  
  • features：

    • 12Pcs 3/4"3" Boring Head With R8 Shank and Carbide Boring Bar Set For Milling

    Specification：

    3" Boring Head

    .0005/0-100 Graduation

    3/4" Boring Bar hole diameter

    3/4" Cross hole diameter

    1" maximum offset

    1 1/2"-18 thread size

    R8 shank can be fitted on a 2", 3", or 4" boring head with 1.5"-18 thread size

    12 PCS carbide tip boring bar set

    12 pieces in one set

    3/4" shank diameter

    Carbide tipped for steel and alloy steel

    Plastic case included

    For R8 spindle machines

    Hardened and ground

    Shank Dia. 3/4"

    Product application

    Shank Diameter  3/4" 12 pcs

     

    features：

    Designed so that the same bar can bore flat bottomed holes or face

    Alloy steel shanks hardened and ground

    Ccarbide for steel and alloy steel

    12 pc Set

     

    Package Including：

    3'' Precision Adjustable Boring Head w/R8 Arbor 12Pcs 3/4" Carbide Boring Bars


    Item Specifics
    Country of Origin United States
    Brand etecgo
    MPN 228459
    Type R8 Shank
    Boring Bar Hole 3/4"
    Cross Hole 3/4"
    Graduations 0.001"
    Aximum Offset 1"
    Surface Finish Standard
    Thread Back 1-1/2"-18
    Center Distance Between Holes 1"
    Head Height 3-5/32"
    Hole Size 3/4"
    Shank Type R8 Shank
    Custom Bundle No
    Bundle Description No
    Modified Item No
    Taper Size R8 Shank
    Modification Description 12
    Warranty 1 Year

    Payment

    Delivery details

    Terms of sales

     1.This item come with a warranty.The warranty covers against defective workmanship only,misuse or willful damage will render the warranty void.
       

    2.If the item you have received is defective in any way,please email us for return instructions.We do not allow returns without first requesting an RMA (Retruned Merchandise Authorization).
       

    3.If you have any questions,please contact us via ebay message system. Please DO NOT leave a negative feedback before contact us,We will reply you in 24 hour. We are prompt that we be able to resolve any issue you may have.

    Contact Us

    If you have problem, please do not hesitate to contact us by eBay message. We will respone ASAP.
    We appreciate feedback from our customers and strive to maintain a rating as close as possible to 100% perfect "Five-Star." If anything about your transaction did not meet your expectations, please let us know and provide us with the opportunity to fix our issues before you leave feedback. Customer service is very important to us , hope you can enjoy our store.

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    12Pcs 3/4"3" Boring Head With R8 Shank and Carbide Boring Bar Set For Milling

    Specification：

    3" Boring Head

    .0005/0-100 Graduation

    3/4" Boring Bar hole diameter

    3/4" Cross hole diameter

    1" maximum offset

    1 1/2"-18 thread size

    R8 shank can be fitted on a 2", 3", or 4" boring head with 1.5"-18 thread size

    12 PCS carbide tip boring bar set

    12 pieces in one set

    3/4" shank diameter

    Carbide tipped for steel and alloy steel

    Plastic case included

    For R8 spindle machines

    Hardened and ground

    Shank Dia. 3/4"

    Product application

    Shank Diameter  3/4" 12 pcs

     

    features：

    Designed so that the same bar can bore flat bottomed holes or face

    Alloy steel shanks hardened and ground

    Ccarbide for steel and alloy steel

    12 pc Set

     

    Package Including：

    3'' Precision Adjustable Boring Head w/R8 Arbor 12Pcs 3/4" Carbide Boring Bars

    Item Specifics
    Country of Origin :United States
    Brand :etecgo
    MPN :228459
    Type :R8 Shank
    Boring Bar Hole :3/4"
    Cross Hole :3/4"
    Graduations :0.001"
    Aximum Offset :1"
    Surface Finish :Standard
    Thread Back :1-1/2"-18
    Center Distance Between Holes :1"
    Head Height :3-5/32"
    Hole Size :3/4"
    Shank Type :R8 Shank
    Custom Bundle :No
    Bundle Description :No
    Modified Item :No
    Taper Size :R8 Shank
    Modification Description :12
    Warranty :1 Year


     1.This item come with a warranty.The warranty covers against defective workmanship only,misuse or willful damage will render the warranty void.
       

    2.If the item you have received is defective in any way,please email us for return instructions.We do not allow returns without first requesting an RMA (Retruned Merchandise Authorization).
       

    3.If you have any questions,please contact us via ebay message system. Please DO NOT leave a negative feedback before contact us,We will reply you in 24 hour. We are prompt that we be able to resolve any issue you may have.

    If you have problem, please do not hesitate to contact us by eBay message. We will respone ASAP.
    We appreciate feedback from our customers and strive to maintain a rating as close as possible to 100% perfect "Five-Star." If anything about your transaction did not meet your expectations, please let us know and provide us with the opportunity to fix our issues before you leave feedback. Customer service is very important to us , hope you can enjoy our store.


    All rights reserved.

    On May 17, 2026 at 19:39:45 PDT, seller added the following information:

    Datacaciques