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Type UM ER Nuts

Type UM ER Nuts


Product Name: Type UM ER Nuts Model Number: ER-UM





Product Name: Type UM ER Nuts

Model Number: ER-UM 

Product Parameters:

1. Brand name: WAT

2. Place of origin: Guangdong of China

3. Raw material: 65Mn, 40Cr, Elastic steel

4. Type: Collet nut, ER UM nut

5. Hardness: HRC44-48

6. Precision/Accuracy: <0.015mm

7. Size: ER25/32/40UM

8. Balance: Balanced and Unbalanced

9. Holder/Adapter: BT, NT and ISO ER collet chuck

10. Specifications: Metric sizes

11. Controlling mode: CNC, Milling Machines

12. Usage: Milling, Drilling, Boring, Tapping

Main Features:

Made of elastic steel raw material, high precision to make the processing more stable. ER25/32/40 UM type collet nuts with metric sizes, suitable for BT30/BT40/BT50, NT30/40/50 and ISO ER milling chucks. Common precision <0.015mm, high cost-performance.


Part Number

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100% Real Shot Photos:

About Us:

WAT Tool Co., Ltd is a professional manufacturer of high quality carbide cutting tools and CNC machine tool accessories, also we cooperate with a lot of well-known companies such as Mitsubishi, Kyocera, TaeguTec and Korloy etc.



1. Cost-effective

Compared with other suppliers in this area, our prices are more competitive or quality is much better, and the more quantity you order, the more discount you will get.

2. Short delivery time

We have enough stock for standard carbide end mills such as Square type, Ball nose type, Corner radius type and Ali cutters, so we will ship on the next day usually after you place the order and get the payment done. Regarding special tools that we do not stock, they can also be finished in 5-7 days.

3. Different choices

We have different series of carbide cutters for choices, which can be for 45/55/60/65HRC work materials, the raw materials are from China ZCCT carbide, Taiwan CB carbide, Germany Guhring carbide, and Sweden Sandvik carbide. Different prices and qualities will meet different processing needs in different markets.

4. Custom tools

We can produce special carbide cutting tools according to the detailed specifications or provided drawings.

5. OEM services

We can make your brand with your own labels and packaging, if you have your own brand or you were a new company, this will be very useful.

Shipping Terms:

Usually we ship by Express such as DHL/UPS/TNT/FedEx, if weight more than 100kgs, we will send by Air.


Payment Terms:

1. Telegraphic transfer(T/T)

2. PayPal-Usually for trial orders with small amount


3. Western Union


4. MoneyGram


WAT Tool is one of the largest type um er nuts manufacturers. We have professional factory which can produce cheap type um er nuts for you. Welcome to wholesale our products.

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