CNC Machine Accessories Er Collet Er16 Er32 Er40 Er50 Milling Collet

*Material :SUJ2(High carbon bearing steel :After heat tratment ,it has hardness and toughness 
,better grinding quality ,good flexibility ,and longer using life span )
*HRC:HRC44-48
*Surface roughtness :within RZ2.5 
*Chucking range :ER8=0.5mm ER11/12/20/25/32/40=1mm.But if the internal hole is less than 2.5mm.the chucking range will be 0.5mm .ER50 clamping contraction range of 10mm or less shrinkage range of 2mm .
*The cincentricity is totally examined according to DIN nom .
*It used for the cutting tools loke drills ,taps ,mills and remers .etc
*It has flexibility and can be applied widely and variably 
*Please inform the required precision when ordering 

1. Product Models
 ER-8  ER-11 ER-16  ER-20 ER-25 ER-32 ER-40 ER-50
2. Precision
Standard Precision  High Precision
3. Accessories
Nuts: ER nuts, used to secure the collet
Collets: ER collets, used to hold tools or workpieces.
Wrenches: Special wrenches for installing and removing nuts.
Extension Bars: Used to increase the holding length.
Coolant Tubes: Used to cool tools and workpieces.

Shandong Ounuowei CNC Tool Co., Ltd, founded in 2014,We mainly produces various of CNC tool systems such as CNC tool holders, live centers, spring collets, boring heads, milling chucks,drill chucks, pull studs and other machine accessories which are sold to Australia, South Africa, United States,Russia, Europe, Middle Asia, South America and Southeast Asia, and more than fifty countries and regions.Welcome to visit our factory.


Our Services:
1. Guarantee quality which mainly embodied in real accuracy.
2. Huge production capacity to ensure in time delivery
3. Manufacture that can accept OEM service.
4. Professional sales team and engineers.
5. Sufficient experience in domestic and international sales
6. Prompt reply which response in 15 minutes
7. Never stop in innovating and improving 
Our mission:
making CNC machining more efficient
manufacturing wonderful Chinese CNC tools

Our sense of value:
Customers is the first, staffs is the second, shareholders is the third;
Market oriented and customer centric;
Charity begins at home,but should not end there.
Treat suppliers as brothers and seeking mutual benefit;
Stick to innovation and sustainable development;
Teamwork and share duties and benefits.

The company has more than 150 sets of production equipment and testing equipment, such as Japanese Mazak CNC lathes, Mazak five-axis machining centres, Swiss Klingberg CNC compound grinding machines, Japanese Mitutoyo three coordinates, cylindricity meters, contouring meters and German Daibo toolholder inspection tools.

Our company has passed ISO9001 quality system certification,SGS Certification ,Tuv certification

1.Are you a factory or trading company ? 

We are a manufacturer ,and we also have our own trading company ,we have professional R&D team .sale team .We can provide you the best quality goods and the perfect service .

2.Could you provide non standard products ? 
Yes we can.we can also make and supply the goods as delivered samples or drawing .

3.What is the advantage about your company ?
 Our company has professional team and professional production line .

4.Why should I choose your products ? 
Our products are high quality and good price

5.Any other good service your company can provide ?
 Yes ,we can provide good after-sale and fast delivery

6.How can we guarantee quality ? 
We follow our QC manual and inspect all data of our products 100%