23 Piece Metric 5C Collet Set 3mm – 25mm × 1mm High Precision 0.0005″ Accuracy
Feature: Size: 3mm – 25mm Size: 3.0MM to 25.0MM by 1MM External thread: 1.238 × 20 RH Internal thread: 1.041 × 24 RH Please check pictures for more details. Description: 23 Piece 5C metric set includes 3mm-25mm × 1mm increments. Made of high grade tool steel. Hardened and precision ground. Threaded internally and externally. Guaranteed T.I.R. 0.0005″ (or better). Precision collet within 0.0006″ TIR 1″ from face. Hardened & ground. Package Content: 23 Piece Metric 5C Collet Set 3mm – 25mm × 1mm .