RBH EWN Precision
Fine Boring Head Adjustable Boring Tool Holder CNC Milling Machine Tool
Features:
High precision
adjustable fine boring head designed for accurate boring and finishing
operations.
Manufactured from
premium 42CrMo alloy steel for excellent strength, wear resistance, and long
service life.
Fine adjustment
mechanism allows precise diameter control for high-accuracy machining.
Suitable for
boring, finishing, and precision hole enlargement applications.
High rigidity
construction helps reduce vibration and improves machining stability.
Compatible with a
wide range of CNC milling machines, machining centers, and conventional milling
equipment.
Specifications:
Product Type: Fine
Boring Head / Boring Tool Holder
Model Series:
EWN20 / EWN25 / EWN32 / EWN41 / EWN53 / EWN68 / EWN100
Material: 42CrMo
Alloy Steel
Boring Range: 20mm
– 203mm (depending on selected model)
Compatible
Inserts: TPGH0802, TPGT0802, TPGH1102, TCGT1102
Application:
Precision boring and hole finishing
Condition: New
Model Information:
EWN models include
1 Fine Boring Head with pre-installed ENH*-1 boring tool holder (insert not included).
ENH models include
only the boring tool holder and do not include the EWN boring head.
TP models are
designed for TP-series inserts.
TC models are
designed for TC-series inserts.
Compatible Machine
Interfaces:
BT30
BT40
NT30
NT40
SK40
HSK63A
C20
C25
MT2
MT3
MT4
MT5
R8
Package Includes:
1 × EWN Fine
Boring Head OR
1 × ENH Boring
Tool Holder
Please carefully
select the required model from the variation menu before purchasing.
Ideal for CNC machining centers, milling machines, tool rooms, precision machining, metalworking, and industrial manufacturing applications.
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.