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Carmex External Multiple Threading Insert holder - For Carbide External/Internal Threading Inserts - SLE0045E21-4

SLE0045E21-4

Availability: 5 days subject to availability

Our industry-leading assortment of indexable thread milling tools can be used with a wide range of applications. These tools were created in order to machine threading jobs on CNC milling machines (by using helical interpolation programs). They allow for improved productivity, thanks to the increased cutting speeds, and multi-tooth carbide inserts. Additionally, they can be used to lower tooling costs – as they are considerably cheaper than comparable taps and dies.
  • A product line of Mill-Thread tool holders. These holders accept multiple inserts, and are only compatible with external applications.
  • Features:
  • Multi (3-4) inserts per holder

  • Insert Size 21
    Shank Material Steel
    Reach 25
    Overall Length N/A
    Minimum Bore Diameter N/A
    Flutes 4
    Spigot Diameter 27
    Insert Screw S21
    Torx Key K21
    Extension N/A


    Our industry-leading assortment of indexable thread milling tools can be used with a wide range of applications. These tools were created in order to machine threading jobs on CNC milling machines (by using helical interpolation programs). They allow for improved productivity, thanks to the increased cutting speeds, and multi-tooth carbide inserts. Additionally, they can be used to lower tooling costs – as they are considerably cheaper than comparable taps and dies.
  • A product line of Mill-Thread tool holders. These holders accept multiple inserts, and are only compatible with external applications.
  • Features:
  • Multi (3-4) inserts per holder

  • Insert Size 21
    Shank Material Steel
    Reach 25
    Overall Length N/A
    Minimum Bore Diameter N/A
    Flutes 4
    Spigot Diameter 27
    Insert Screw S21
    Torx Key K21
    Extension N/A


    What time are Protool open? We are open Monday to Friday between 8:30am and 5pm.

    Do you offer Free Next Day delivery? Yes! To mainland UK we offer Free Next Day delivery on all orders above £30 ex vat*.

    We also offer the following:

    DPD Standard Next Day Delivery - £7.50 (FREE on orders over £30 ex vat*).
    DPD Next Day Pre-12pm - £12.50
    DPD Next Day Pre-10.30am - £20.00

    We also offer Saturday delivery for those that require it, If you order before 4.30 pm on a Friday. Please see our delivery page for more information.

    *T’s & C’s and exclusions apply. Please see our delivery page for more information on all our services including those outside of mainland UK (Republic of Ireland, Northern Ireland, Scottish Highlands, Channel Islands etc).