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Ultra Precision ER8 Collet DIN6499B

Material: JIS-SUJ2;
Hardness: 46-50HRC;
Precision: ≤0.008mm；
True inch and metric size.

Model: ER8-2; ER8-1; ER8-1/8" etc
Brand: ChongDe

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Product Description

Ultra Precision ER8 Collet DIN6499B

ChongDe high precision ER8 collet DIN6499-form B(ER), concentricity is 8 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. True inch and metric size.

6. 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.

Product Drawing and Size

Model No.	dH7	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

Clamping Range

ER8			ER8
Metric size			Inch size
Order No.	Model No.	Clamping Range	Order No.	Model No.
CD010201.08010	ER8-1	1-0.5	CD010201.08008	ER8-1/32"
CD010201.08015	ER8-1.5	1.5-1	CD010201.08012	ER8-3/64"
CD010201.08020	ER8-2	2-1.5	CD010201.08016	ER8-1/16"
CD010201.08025	ER8-2.5	2.5-2	CD010201.08019	ER8-5/64"
CD010201.08030	ER8-3	3-2.5	CD010201.08024	ER8-3/32"
CD010201.08035	ER8-3.5	3.5-3	CD010201.08028	ER8-7/64"
CD010201.08040	ER8-4	4-3.5	CD010201.08032	ER8-1/8"
CD010201.08045	ER8-4.5	4.5-4	CD010201.08036	ER8-9/64"
CD010201.08050	ER8-5	5-4.5	CD010201.08039	ER8-5/32"
			CD010201.08044	ER8-11/64"
			CD010201.08048	ER8-3/16"