ER COLLET 1.Material:65Mn 2.Hardness:clamping partHRC55~60elastic partHRC40~45 3.Type:imperial or metric

ER COLLETS with STANDARD DIN6499B

1.Material:65Mn Steel

2.Run out:0.005in or 0.013mm

3.Clamping part HRC55~60

4.Elastic part HRC40~45

5. Used for boring, milling, drilling, tapping, grinding and engraving operation, etc.

6.We can supply any other type collets you need.

Model	d H7	D	D1	D2	L	L1	L2	L3	Collapsible capacity
ER8	>=1.0~5.0	8	8.45	6.5	13.5	2.98	1.5	1.2	0.5
ER11	>=1.0~7.0	11	11.5	9.5	18.0	3.8	2.5	2.0	0.5
ER16	>=1.0~10.0	16	17	13.8	27.5	6.26	4.0	2.7	0.5 or 1.0
ER20	>=1.0~13.0	20	21	17.4	31.5	6.36	4.8	2.8	0.5 or 1.0
ER25	>=1.0~16.0	25	26	22.0	34.0	6.66	5.0	3.1	0.5 or 1.0
ER32	>=2.0~20	32	33	29.2	40.0	7.16	5.5	3.6	0.5 or 1.0
ER40	>=3.0~26.0	40	41	36.2	46.0	7.66	7.0	4.1	1.0
ER50	>=6.0~34.0	50	52	46.0	60.0	12.6	8.5	5.5	1.0 or 2.0

D	L	Run out tolerance I	Run out tolerance II
1.0~1.6	6	0.010	0.015
>1.6~3.0	10	0.010	0.015
>3.0~6.0	16	0.010	0.015
>6.0~10.0	25	0.010	0.015
>10.0~18.0	40	0.015	0.020
>18.0~26.0	50	0.015	0.020
>26.0~30.0	60	0.015	0.020
>30.0~34.0	80	0.020	0.030

 

If no special requirement, we would supply to you according to II grade; if you require I grade, the price would be advance.

 

Package:

 

Company Profile:

We are a manufacturer established in 2003.  Specialized in design, manufacture and marketing of machine tool accessories.

Production includes milling chuck series,CNC tool series,collet series,boring heads series,tapping chuck series,pull studs,er nuts,centers,mores taper sleeves,drill chucks,precision tool vises,parallel block series,V-block clamp,etc.

Sales covering the USA,Germany,Britain and regions in South Asia with increasing trust from customers.We are capable of supplying accessories with German standards,Japanese standards,American standards as well as national standards.

Should any of these items be of interest to you,please let us know.We'll be happy to give you details.