• Product description: ER collet; Made of SUJ2; Run out:0.01mm; Vacuum carburizing heat

* Description:

1) DIN6499 :  
     ER collets(ER Spring Collets)
2) Size:  
     ER8, ER11, ER16, ER20, ER25, ER32, ER40, ER50.
3) Material:
    High quality ---SUJ2
4) Hardness
    HRC44-48
5) High Accuracy:
    Runout for 0.005mm, 0.008mm,
6) Workpiece:
    Carbon steel, alloy steel, cast steel, tooling steel, mould steel, heat treatment steel, aluminum alloy steel and customised drawings
7) Packing:
    Paper box or Plastic box/PCS, or as customer's requirement
8) Delivery:
     About 7-20 days 
9)  OZ or SK type collets also available