BT30 ER11 ER16
ER20 ER25 ER32 Dynamic Balance Tool Holder CNC Milling Chuck Holder
Features:
High precision
BT30 ER series tool holder for CNC machining centers and milling machines.
Manufactured from
premium 20CrMnTi alloy steel for excellent rigidity, wear resistance, and long
service life.
Heat-treated and
carburized for increased hardness and durability.
High dynamic
balance design suitable for high-speed machining applications.
Precision ground
taper and clamping surfaces for improved machining accuracy.
Stable performance
and reliable tool holding during high-speed cutting operations.
Suitable for CNC machining centers, milling machines, engraving machines, and other precision machine tools.
Specifications:
Product Type: BT30
ER Tool Holder
Tool Interface:
BT30
Collet Type: ER11
/ ER16 / ER20 / ER25 / ER32
Material: 20CrMnTi
Steel
Hardness: HRC56+
Carburizing Depth:
>0.8 mm
Body Accuracy:
<0.003 mm
Roundness: <0.8
μm
Dynamic Balance
Grade: G2.5
Length Options: 70
mm / 100 mm
Condition: New
Type A (High-Speed
Dynamic Balance):
Overall Clamping
Runout: ≤0.008 mm
Standard Speed:
25,000 - 30,000 RPM
Suitable for high-speed machining applications
Type B (Standard
Precision):
Overall Clamping
Accuracy: ≤0.005 mm
Standard Speed:
≤10,000 RPM
Suitable for general CNC machining applications
Applications:
CNC Machining
Centers
CNC Milling
Machines
High-Speed Milling
Precision
Metalworking
Engraving Machines
Package Includes:
1 × BT30 ER Tool Holder
Note:
Collet and cutting
tools are not included unless otherwise specified.
Please select the required ER size, length, and holder type from the variation options.
Please ensure the
shipping address on your eBay account is accurate before placing your order. If
you need to update your shipping address, kindly include the details in the
eBay note section during checkout. Orders can be canceled at any time before
they are shipped. If your order has already been paid and you wish to modify or
cancel it, please contact us within 2 hours of
payment. Once the packaging and shipping process begins, cancellations or
changes will no longer be possible.
Once your payment
is received, we will process and dispatch your order within 1-2
business days. Estimated delivery time ranges from 5-20
days, depending on your location. Please note that delays may
occasionally occur due to factors beyond our control, such as flight
disruptions, holidays, weather conditions, local postal delays, or natural
disasters. If your order is delayed or has not arrived within 15
days of payment, please don’t hesitate to contact us. We will promptly
track your shipment and provide you with the latest updates.
Your satisfaction
is our priority! We offer free 30-day returns for any reason to ensure a
smooth, hassle-free experience. If you encounter any issues, please contact us
directly before opening a dispute, case, or leaving neutral/negative
feedback—we are here to find the best solution for you.
We stand by our
products with a 100% money-back guarantee for items that are defective
or damaged during shipping. Simply send us pictures of the damaged item, and we
will either provide a replacement or issue a full refund—whichever you prefer.
Additionally, we offer a 60-day return guarantee on all items. To initiate a return, please contact us first so we can guide you through the process and make it as easy as possible.