ER Spring Collet

Product Description

Material:SUJ2 ( High-carbon bearinmg steel: heat treatment makes it more hardend , high wear resistance and longer life )

Obliquity: 8

Surface roughness: within RZ*2.5

Clamping Range: ER8,ER*1 =0.5mm  ER*6~ER*0=1mm, but bore diameter under 2.5mm and clamping range 0.5mm is machined by precision boring and grinding.

the Concentricity is strictly inspected by DIN standard, there are total three precision grade, that is common grade 0.2mm, A grade 0.*4mm, UP grade 0.**5mm, the stability of UP grade will be better if it fits HSP nuts.

Application: clamp drill bits, screw tap, end mill cutter, reamer and other tools

Please tell us the precision grade before place order

Advantage of our products:

1) anti-corrosion.                                           2) low friction.

3) wear resistant.                                          4) running in not required.

5) high temperature resistance.                   6) high hardness.

7) Not easy to scrach.                                  8) Enough inventory

9) Practicable.                                            *0) High safety factor.

Workshop strength :

• Professional production team, production line, experienced technical experts who engaged in this industry for more than *0 years. We have the professional production line for all of our cutting tools including all the parts it used.

• Our products are mainly made of raw material carbide steel which is imported from Germany, America and Japan with high quality                                                                                                                                                             FAQ                                                                                                              

  Q1. How long have you been in this line and what are your main products?

  A1. Our company was founded in ***6, which is leading company specializing in manufacturing, design, innovation, developing and sales forming and cutting tools. We have our own brand, YOCO for carbide end mill cutters, JY for turning tools.

   

  Q2. When can I get the quotation?

  A2. We will reply you and send your back satisfactory reply within *4 hours, after we read, checked your inquiry.

   

  Q3. Can I get samples before placing order and is free sample available?

  A3. Yes, sure, we can offer you samples for your quality checking and free samples are available. But before place orders, the sample fee and shipping fee should be charged. Once formal order placed, the sample fee shall be returned to you.

   

  Q4.How can I pay for my goods?

  A4. You can pay us by HSBC, Paypal, West union as you like.

   

  Q5.What about your L/T?

  A5. For most standard items which showing in our catalog, we have enough stock, if no stock, we can finish production within ***5 days.

   

  Q6.Do you accept customized items producing?

  A6. Yes, we do. For related customized items we can produce as long as you can provide us the drawing or original samples.

   

  Q7.Is there any discount if my order quantity is big enough?

  A7. Yes, sure, we are able to give you discount if the order quantity is big enough, and be assure the quality has no any change, we still provide you items with excellent quality.