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Ultra Precision ER20 High Speed Collet

Model:
ER20-1;ER20-1.5
Brand:
chongde

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Product Description

Ultra Precision ER20 Collet DIN6499B

ChongDe high precision ER20 collet DIN6499-form B(ER), concentricity is 5 microns or better, crafted from high quality Japanese JIS-SUJ2 material. Through -196℃ Cryogenic treatment and long time thermal aging processing, the stability of the collet is higher. Super slim size can avoid interference. Suitable for boring, milling, drilling, grinding, tapping, caving and reaming processing.

Features:

1. Material: JIS-SUJ2

2. Hardness: 46-50HRC;

3. Precision: ≤0.005mm；

4. End and the cylindrical are grinding for many times, can reach Ra 4.0, has a mirror effect;

5. 16 slot construction for rigid clamping and extra concentricity

6. True inch and metric size.

7. Suitable for boring, milling, drilling, tapping, grinding, carving and reaming processing.

Our advantages

1. Integrated precision : 3μ/5μ;

2. Imported material: JIS-SUJ2

3. Hardness: 46-50HRC

4. Clean appearance and accuracy stable

5. -196℃ long cryogenic treatment and ultra long time thermal aging processing, reducing residual stresses and increasing the hardness and toughness.

ER 筒夹图纸_看图王

Product Drawing and Size

Model No.	dH7	D	D1	D2	L	L1	L2	L3	Collapsible Capacity
ER20	1.0-2.5	20	21	17.4	31.5	6.36	4.8	2.8	0.5
ER20	＞2.5-13.0	20	21	17.4	31.5	6.36	4.8	2.8	1

Clamping Range

ER20			ER20
Order No.	Model No.	Range	Order No.	Model No.
CD010201.20010	ER20-1	1-0.5	CD010201.20008	ER20-1/32
CD010201.20015	ER20-1.5	1.5-1	CD010201.20012	ER20-3/64
CD010201.20020	ER20-2	2-1.5	CD010201.20016	ER20-1/16
CD010201.20025	ER20-2.5	2.5-2	CD010201.20019	ER20-5/64
CD010201.20030	ER20-3	3-2	CD010201.20024	ER20-3/32
CD010201.20040	ER20-4	4-3	CD010201.20028	ER20-7/64
CD010201.20050	ER20-5	5-4	CD010201.20032	ER20-1/8
CD010201.20060	ER20-6	6-5	CD010201.20036	ER20-9/64
CD010201.20070	ER20-7	7-6	CD010201.20039	ER20-5/32
CD010201.20080	ER20-8	8-7	CD010201.20044	ER20-11/64
CD010201.20090	ER20-9	9-8	CD010201.20048	ER20-3/16
CD010201.20100	ER20-10	10-9	CD010201.20052	ER20-13/64
CD010201.20110	ER20-11	11-10	CD010201.20056	ER20-7/32
CD010201.20120	ER20-12	12-11	CD010201.20059	ER20-15/64
CD010201.20130	ER20-13	13-12	CD010201.20064	ER20-1/4
			CD010201.20067	ER20-17/64
			CD010201.20071	ER20-9/32
			CD010201.20075	ER20-19/64
			CD010201.20079	ER20-5/16
			CD010201.20083	ER20-21/64
			CD010201.20087	ER20-11/32
			CD010201.20091	ER20-23/64
			CD010201.20095	ER20-3/8
			CD010201.20099	ER20-25/64
			CD010201.20103	ER20-13/32
			CD010201.20107	ER20-27/64
			CD010201.20111	ER20-7/16
			CD010201.20115	ER20-29/64
			CD010201.20119	ER20-15/32
			CD010201.20123	ER20-31/64
			CD010201.20127	ER20-1/2
			CD010201.20131	ER20-33/64