Metric Size ER Precision Collets

Metric Size ER Precision Collets

Compatible with DR, RD, ESX, AR, & BR series collets.
All collets inspected for quality and accuracy.

Techniks Quality Features

  • Standard 0.0002" T.I.R.
  • Clamping range: .039"
  • Use with PowerCOAT Nut for
    best holding power and tool life

Inch & Metric ER Collet Sets

*To Order Ultra-Precisions place UP in front of the regular part number.

ER 8 ER 11 ER 16 ER 20 ER 25 ER 32 ER 40 ER 50 Range Shank
04208-01.0 04211-01.0 04216-01 04220-01         .019 - .039" 0.5-1.0
04208-01.5 04211-01.5 04216-01.5 04220-01.5         .039 - .059" 1.0-1.5
04208-02.0

 

04211-02.0

 

04216-02 04220-02 04225-02       .039 - .079" 1.5-2.0
    04216-02.5 04220-02.5         .059 - .098" 1.5-2.5
    04216-03 04220-03 04225-03 04232-03     .079 - .118" 2.0-3.0
04208-02.5 04211-02.5

 

    04225-02.5       .079 - .098" 2.0-2.5
04208-03.0 04211-03.0             .098 - .118" 2.5-3.0
    04216-03.5 04220-03.5 04225-03.5 04232-03.5     .098 - .137" 2.5-3.5
    04216-04 04220-04 04225-04 04232-04 04240-04   .118 - .157" 3.0-4.0
04208-03.5 04211-03.5             .118 - .138" 3.0-3.5
04208-04.0 04211-04.0             .138 - .157" 3.5-4.0
    04216-04.5 04220-04.5   04232-04.5     .137 - .177" 3.5-4.5
    04216-05 04220-05 04225-05 04232-05 04240-05   .157 - .197" 4.0-5.0
04208-04.5 04211-04.5             .157 - .177" 4.0-4.5
04208-05.0 04211-05.0             .177 - .197" 4.5-5.0
    04216-05.5 04220-05.5   04232-05.5     .177 - .216" 4.5-5.5
    04216-06 04220-06 04225-06 04232-06 04240-06 04250-06 .197 - .236" 5.0-6.0
  04211-05.5             .197 - .217" 5.0-5.5
  04211-06.0             .217 - .236" 5.5-6.0
    04216-06.5 04220-06.5   04232-06.5     .216 - .255" 5.5-6.5
    04216-07 04220-07 04225-07 04232-07 04240-07 04250-07 .236 - .276" 6.0-7.0
  04211-06.5             .236 - .256" 6.0-6.5
  04211-07.0             .256 - .276" 6.5-7.0
    04216-07.5 04220-07.5   04232-07.5     .255 - .295" 6.5-7.5
    04216-08 04220-08 04225-08 04232-08 04240-08 04250-08 .276 - .315" 7.0-8.0
    04216-08.5 04220-08.5   04232-08.5     .295 - .334" 7.5-8.5
    04216-09 04220-09 04225-09 04232-09 04240-09 04250-09 .315 - .354" 8.0-9.0
    04216-09.5 04220-09.5   04232-09.5     .334 - .374" 8.5-9.5
    04216-10 04220-10 04225-10 04232-10 04240-10 04250-10 .354 - .394" 9.0-10.0
    04216-10.5 04220-10.5   04232-10.5     .374 - .413" 9.5-10.5
      04220-11 04225-11 04232-11 04240-11   .394 - .433" 10.0-11.0
      04220-11.5   04232-11.5     .413 - .452" 10.5-11.5
      04220-12 04225-12 04232-12 04240-12   .433 - .472" 11.0-12.0
      04220-12.5   04232-12.5     .452 - .492" 11.5-12.5
      04220-13 04225-13 04232-13 04240-13   .472 - .512" 12.0-13.0
      04220-13.5   04232-13.5     .492 - .531" 12.5-13.5
              04250-14 .472-.551 12.0-14.0
      04220-14 04225-14 04232-14 04240-14   .512 - .551" 13.0-14.0
          04232-14.5     .531 - .570" 13.5-14.5
        04225-15 04232-15 04240-15   .551 - .591" 14.0-15.0
          04232-15.5     .570 - .610" 14.5-15.5
              04250-16 .551-.630" 14.0-16.0
        04225-16 04232-16 04240-16   .591 - .630" 15.0-16.0
          04232-16.5     .610" - .649" 15.5-16.5
        04225-17 04232-17 04240-17   .630 - .669" 16.0-17.0
          04232-17.5     .649 - .688" 16.5-17.5
              04250-18 .630-.709" 16.0-18.0
          04232-18 04240-18   .669 - .709" 17.0-18.0
          04232-18.5     .688 - .728" 17.5-18.5
          04232-19 04240-19   .709 - .748" 18.0-19.0
          04232-19.5     .728 - .767" 18.5-19.5
              04250-20 .709-.787" 18.0-20.0
          04232-20 04240-20   .748 - .787" 19.0-20.0
          04232-21 04240-21   .787 - .827" 20.0-21.0
              04250-22 .787-.866" 20.0-22.0
            04240-22   .827 - .866" 21.0-22.0
            04240-23   .866 - .906" 22.0-23.0
              04250-24 .866-.945" 22.0-24.0
            04240-24   .906 - .945" 23.0-24.0
            04240-25   .945 - .984" 24.0-25.0
              04250-26 .945-1.024" 24.0-26.0
            04240-26   .984-1.024" 25.0-26.0
              04250-28 1.024-1.102" 26.0-28.0
              04250-30 1.102-1.181" 28.0-30.0
              04250-32 1.181-1.259" 30.0-32.0
              04250-34 1.259-1.338" 32.0-34.0