Tool Holder 2.76" Projection R8 ER32 Collet Chuck

Port	Qingdao
Packaging	plastic box, paper box or wooden box
Lead Time	15~20days

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Material	20Crmnti	Run out	0.005mm, 0.008mm
Carbon Depth	>0.8mm	Hardness	56~60
The Precision Tapper	AT3

Product Details

Product Description

High Quality R8 ER40 Collets Holders

R8 ER collet chuck arbor R8-ER, ER collet clamping tool holder of various sizes, high speed and high precision machining.

Mechanical spindle and cutting tools and other accessories.

High Precision R8-ER shank Tool Holder.

For the market for automatic tool change device.

R8 tool holders for mechanical spindle and cutting tool and other accessory tool connection.

1. Material: 20CrMnTi

2. Run out of the inside shank cone ≤0.0001"

3. Constructed of alloy steel hardened to 56 – 60 HRC for long, durable service life

4. Rear thread for pull stud is 7/16" - 20UNF

5. Surface: Nickel coating and polishing nickel coating.

Anti-rust, Anti-corrosion, Durability better

◆ Coating adhesion strong, enhance hardness, and anti-rust better in different surroundings, such as acid, alkali, ammonia, salt etc.

◆ Overall nickel coating, including inside and outside cone, even if you do not take any anti-rust actions, it will not rust either,

don't influence processing precision and spindle.

◆ Improve cleanness, precision more stable, surface more smooth, feel more comfortable and appearance nicer.

Cryogenic treatment

◆ -384.8℉ long cryogenic, nearly all of the residual austenite into martensite.

◆ Carbide precipitation of nanoscale particles, increasing the hardness and toughness.

◆ Reducing residual stresses.

◆ Wear resistance significantly improved.

Thermal aging processing

◆ long stereotyped thermal limitation removal of grinding residual stress.

Product Information

Technical Details

Brand Name	chongde	Size	R8-ER40
SKU	CD010128-0840070	Collet size	ER40
TIR	0.0001"	Collet Range(d)	1/8" - 1"
Net Weight	2.35 LB	Collet Nut Diameter(D)	2.48"
Gross Weight	2.95 LB	Projection (L1)	2.76"
Meas	2.9" x 2.9" x 7"	Rear Thread(T)	7/16"-20UNF

1.Package: plastic boxes and also can pack according to your requests.
2.Delivery time:Sample within 7 days and others 35 days.

I Fast reply

II Favourable price

III High quality products

IV Fast delivery

V Good after-sales service

1.Are you factory or Trade Company?
We are industry and trade integration.

2.Could you supply samples?
Yes ,free samples for some products.

3.Where do you export?
The whole world.

4.Could you produce non-standard products?
Yes ,we can .Please supply samples or drawing.

5.What are the shipping ways?
By intemational express,by air ,by sea are all OK.

6.Do you have minimum order quantity?
Conventional Products don't have.The minimum order quantity of non-standard products is 50pcs.

7.What's your delivery time?
Less than 25 days after order confirmed