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ER Collet nut
Brief introduction
ER COLLET CHUCK NUT,Selection of high quality spring steel, has a higher flexibility and service life.The clamping force, clamping range, high precision, used for boring, milling, drilling, tapping, grinding and engraving processing. ER collet all through high precision grinding, precision manufacturing line with the German DIN 6499 specifications.
Specifications
1. model No.:ER8,ER11,ER16,ER20,ER25,ER32,ER40,ER50
2 material:42CrMo
3. hardness:HRC52
4. screw and 30 inclination molding processing,the thread tolerance class 4H-class
5. accuracy:AA grade(0.005)mm
6. default balancing G6.3 12000rpm,18000rpm
7.Packaging Detail: Plastic boxes, carton
| TYPE |
MODEL |
D(mm) |
L(mm) |
M |
Wt(kg) |
|
A |
ER11-A |
19 |
11.3 |
M14*0.75 |
0.005 |
|
ER16-A |
28 |
17.5 |
M22*1.5 |
0.01 |
|
|
ER20-A |
35 |
19 |
M25*1.5 |
0.05 |
|
|
M |
ER8-M |
12 |
12 |
M10*0.75 |
0.005 |
|
ER11-M |
16 |
|
M13*0.75 |
0.01 |
|
|
ER16-M |
22 |
18 |
M19*1 |
0.05 |
|
|
ER20-M |
28 |
18 |
M24*1 |
0.6 |
|
|
ER25-M |
35 |
20 |
M30*1 |
0.08 |
|
|
UM |
ER25-UM |
42 |
20 |
M32*1.5 |
0.14 |
|
ER32-UM |
50 |
22.5 |
M40*1.5 |
0.2 |
|
|
ER40-UM |
63 |
25.5 |
M50*1.5 |
0.3 |
|
|
ER50-UM |
78 |
35.5 |
M64*2 |
0.5 |
Features:
The special structure is for balance to make sure the status of circular uniform distribution
The collet chuck will not be loosened during machining, and please assemble and disassemble the chuck as the marked direction
How to install the collet nut Push on the bottom of the collet nut until the collet completely enters, and lines up with the nut.also the collet moves into the proper alignment,you will hear and feel a distinct click,indicating that the top of the collet safefy secured above the extractor ring.
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