ER11 | ER Collet

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Bore Grip Range: 0.5 - 1.0 mm
₹ 27115 excl. GST ₹ 493

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⁍ ENDMILL199 - ₹199/- off above order value ₹1999/- on Carbide Endmill Collection

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  • ER11 Collet follows DIN 6499 standard
  • The standard ER collet is the most widely used clamping system in the world
  • Made from EN-47 Alloy spring steel for spring action and fully hardened
  • ER-11 Standard Precision Collet with 10 microns run out
  • Install into an ER collet chuck or holder to tightly grip round-shank tool bits in milling machines

Dimension Chart for ER11 Collets:

ER8 ER Collet RR Brand Dimension Chart

NOTE: The size indicated on the collet is the largest size it can hold and can be collapsed smaller within its collapse range of (0.9 mm). For example, ER40 6 mm can grab a round shank from 6 mm diameter to 5.1 mm diameter.

    The proper way to fit RR ER Collet to a suitable nut:


    • The Collet must always be inserted into the nut before setting the tool into the collet
    • The collet is fitted inside the nut by applying slight pressure A
    • It is removed by applying Pressure B to the collet
    • Never tighten the chuck without a correct size tool shank being present in the collet

    Application: ER collets are ideal for many machining operations such as

    • Boring
    • Milling
    • Reaming
    • Tapping
    • Grinding

    Suitable Products:

    • Carbide End Mills
    • ER Collet Chucks (BT/CAT/HSK/ISO/MT/R8/SK/Straight Shank)
    • ER Collet Chuck Nuts
    • ER Collet Chuck Spanners
    • Pull Stud (Retention Knob)
    • Locking Fixtures

    Benefits Of Special/Bulk Order:

    Do you ship internationally?

    Customer Reviews

    Based on 3 reviews
    Anish Mangal
    Good quality

    Hi. I used the collet and the 1mm carbide endmill and am happy at the quality of both the products.
    Thank you!

    Atul Sane
    Nice service

    Good Responsive supplier,

    Tarun Kumar Veggalam
    ER Collet

    Very Good communicating and excellent service in time.

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