ER8 ER11 ER16 ER20
ER25 Motor Shaft Extension Rod Spindle Adapter DIY Lathe Tool
Description:
This high-precision ER collet motor shaft extension rod is designed for DIY
spindle and lathe applications. Made from high-quality 42CrMnTi steel with a
0.005mm accuracy, it provides stable performance and high wear resistance.
Compatible with ER8, ER11, ER16, ER20, ER25, and ER32 collets, with diameters
ranging from 12mm to 32mm and tail holes from 3mm to 24mm. The rod requires
high-frequency heating during installation to expand the tail hole for precise
spindle mounting. Chuck is not included. Brand new condition.
Benefits:
High-quality 42CrMnTi steel for durability
Precision accuracy up to 0.005mm
Stable performance for spindle and lathe applications
Supports multiple ER collet sizes
Efficient installation with thermal expansion method
Package Includes:
1pcs motor shaft ER tool rod
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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.