ER Nut Set

This set includes multiple specifications of ER series nuts (A type, M type, UM type), made of high-quality alloy steel, heat-treated and precisely ground to ensure high concentricity and long-lasting clamping performance.
It is compatible with CNC machines, milling machines, drilling machines, and engraving machines, and can be widely used in mold manufacturing, metalworking, woodworking, and similar applications.

The nuts feature rust-prevention surface treatment, high-precision threading, and smooth tightening for excellent durability. The set can be customized with various model combinations to meet different clamping needs.

Order Note: Please make sure to specify required models and quantities when ordering, e.g., ER16A × 2, ER20M × 1, to ensure accurate delivery.

Set Specifications

What You Will Receive

• ER nut set (supplied according to ordered models and quantities)

• Storage box × 1 (with protective insert)

• Packing list and commercial invoice

• Quality inspection record (appearance and dimension check)

• After-sales support: Missing or damaged items within 48 hours of receipt will be prioritized for replacement or resolution

• Technical support: Specification selection advice, assembly guidance, and maintenance tips

Package Contents

• ER nuts × N (based on order selection)

• Storage box × 1

• Packing list × 1

• Commercial invoice × 1

Shipping Information

• Default international express shipping (DHL / FedEx / UPS)

• Dispatch time: 2–5 business days after payment

• Estimated delivery time: 7–15 business days (depending on destination)

• Tracking number provided for all orders

• Expedited shipping available upon request (additional charges apply)