MACHALLY
MACHALLY
  • Tool Holding
  • Work Holding
  • Measuring Tools
  • Cutting Tools
  • Accessories
MACHALLY
  1. Home
  2. /Wrenches
  3. /ER Collet Nut Spanner Wrench
  • ER Collet Nut Spanner Wrench - Wrenches - Product Image 1
  • ER Collet Nut Spanner Wrench - Wrenches - Product Image 2

ER Collet Nut Spanner Wrench

ER Collet Nut Spanner Wrench is a precision tool for tightening and loosening ER collet nuts on CNC tool holders. Available in ER-A, ER-M, ER-UM types for different nut sizes, plus hook head spanners for EOC and APU applications. Made from hardened steel with precise dimensions for optimal fit and durability. Essential for CNC machining centers, milling machines, and tool holder maintenance.

Volume DiscountRequest custom quote →
$1k+
3%
$3k+
5%
$8k+
8%
$15k+
12%
$30k+
15%
$50k+
18%
Auto-applied at checkout
Accepted Payment
Visa
MasterCard
American Express
Discover
Apple Pay
Google Pay
PayPal
Bank Transfer (TT)

Specifications

24 SKUs
Cart+SKUPriceQuantityTotalApplicableNut Dia (mm)L (mm)V (mm)K (mm)
SP-ER11-A
$6
$0ER11-A191104017
SP-ER16-A
$7
$0ER16-A281205325
SP-ER20-A
$7
$0ER20-A341306030
SP-ER8-M
$3
$0ER8-M1270127.5
SP-ER11-M
$4
$0ER11-M16901711
SP-ER16-M
$5
$0ER16-M221102315
SP-ER20-M
$5
$0ER20-M281202919.5
SP-ER25-M
$5
$0ER25-M351303625
SP-ER16-UM
$6
$0ER16-UM321804026
SP-ER20-UM
$7
$0ER20-UM351905530
SP-ER25-UM
$8
$0ER25-UM422106035
SP-ER32-UM
$9
$0ER32-UM502507245
SP-ER40-UM
$10
$0ER40-UM632908658
SP-ER50-UM
$12
$0ER50-UM7835010573
SP-18-21
$5
$0EOC618-21901821
SP-22-26
$5
$0EOC822-261252226
SP-28-32
$5
$0EOC1028-321402832
SP-34-36
$5
$0EOC1234-361543436
SP-38-42
$5
$0EOC16 7316A APU0838-421683842
SP-45-52
$6
$0EOC20 ER25-UM 7316B APU1345-521904552
SP-55-62
$7
$0EOC25 ER32-UM APU13 APU16 C20 C22 C2555-622105562
SP-68-72
$7
$0EOC32 ER40-UM68-722306872
SP-78-85
$8
$0EOC40 C32 ER50-UM78-852407885
SP-100-110
$9
$0EOC50 C42 JXT25-50100-110250100110
Selected Items
0 × $0
Subtotal
$0
Total Amount
$0 USD

Features

Key product features and specifications that make this product stand out.

›

Precision wrench for ER collet nuts on CNC tool holders

›

Four types: ER-A, ER-M, ER-UM & hook head spanners

›

Made from hardened steel for durability & longevity

›

Covers ER8 to ER50 & EOC6 to EOC50 nut sizes

Others Viewed

  • BT-APU Drill Chuck Holder - Machine Tool Accessory | MACHALLY Professional Tools

    BT-APU Drill Chuck Holder

    from$37

  • BT-ER Collet Chuck Holder - Machine Tool Accessory | MACHALLY Professional Tools

    BT-ER Collet Chuck Holder

    from$15

  • BT Morse Taper Holder - Machine Tool Accessory | MACHALLY Professional Tools

    BT Morse Taper Holder

    from$15

  • BT Pull Stud Retention Knob - Machine Tool Accessory | MACHALLY Professional Tools

    BT Pull Stud Retention Knob

    from$3

  • BT Shrink Fit Holder - Machine Tool Accessory | MACHALLY Professional Tools

    BT Shrink Fit Holder

    from$72

  • Carbide Ball End Mill - Machine Tool Accessory | MACHALLY Professional Tools

    Carbide Ball End Mill

    from$50

  • Carbide Bull Nose End Mill - Machine Tool Accessory | MACHALLY Professional Tools

    Carbide Bull Nose End Mill

    from$50

  • Carbide Square End Mill - Machine Tool Accessory | MACHALLY Professional Tools

    Carbide Square End Mill

    from$43

Machally Store
Company
  • About Us
  • Workshop
  • Blogs
  • News
Support
  • Contact Us
  • Shipping & Returns
  • Terms & Conditions
  • Legal & License
  • Privacy Policy
  • FAQ
Categories
  • Tool Holding
  • Work Holding
  • Measuring Tools
  • Cutting Tools
  • Accessories
Collections
  • Featured
Connect
[email protected]
+1(408)639-5393

Follow Us

© 2026 MACHALLY. All rights reserved.
Visa

Language

MasterCard
American Express
Discover
Apple Pay
Google Pay
PayPal
Bank Transfer (TT)