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The BT40 ER40 NC40 tool holder nut is an essential component of CNC collet systems, used to tighten ER40 collets and securely hold cutting tools such as end mills and drills inside the tool holder.
It ensures strong clamping force, high precision, and prevents tool slippage during machining operations.
Engineered to withstand high tightening forces and vibration in demanding industrial environments.
Features:
✔ Compatible with ER40 collet system
✔ Strong and secure tool clamping
✔ High manufacturing precision for balance
✔ Vibration-resistant design
✔ Suitable for heavy-duty machining
✔ Improves tool stability in holder
✔ Long service life in industrial use
✔ Durable and wear-resistant material
Supplied, installed, trained, and supported by Sakkary Machinery
Since 1958 — Trust Builds Factories

Customers may return or exchange products within 14 days from delivery, in accordance with Egyptian Consumer Protection Law, provided the product is unused and in original condition.
Customized, installed, or used machines are not eligible for return or exchange.
In case of a manufacturing defect, the product may be repaired, replaced, or refunded under warranty terms.
Return shipping costs are borne by the customer unless the issue is due to company error.
Refunds are processed within 7–14 business days after inspection and approval.
📌 For more details, please contact Sakkary Machinery.