Collets and Sleeves ER Single-Angle Standard Collets • Provides approximately 2:1 grip advantage. • Wide clamping range for all drilling applications. • ER8 and ER11 0,5mm (.020") range of collapse. • ER16, ER20, ER25, ER32, and ER40 1mm (.040") range of collapse. • Available in both metric and inch sizes. • Manufactured to DIN 6499 Class 2 accuracy; see page K79. ER Collets • Metric ER8 ER11 ER16 ER20 ER25 ER32 ER40 D2 = 8,5mm D2 = 11,5mm D2 = 17mm D2 = 21mm D2 = 26mm D2 = 33mm D2 = 41mm collet capacity collet capacity D1 L = 13,5mm L = 18mm L = 27,5mm L = 31,5mm L = 34mm L = 40mm L = 46mm max mm min mm 1,0 8ER010M 11ER010M 16ER010M 20ER010M — — — 1,00 0,50 1,5 8ER015M 11ER015M 16ER015M — — — — 1,50 1,00 2,0 — — 16ER020M 20ER020M 25ER020M — — 2,00 1,00 2,0 8ER020M 11ER020M — — — — — 2,00 1,50 2,5 — — 16ER025M — — — — 2,50 1,50 2,5 8ER025M 11ER025M — — — — — 2,50 2,00 3,0 — — 16ER030M 20ER030M 25ER030M 32ER030M — 3,00 2,00 3,0 8ER030M 11ER030M — — — — — 3,00 2,50 3,5 — — 16ER035M — — — — 3,50 2,50 3,5 8ER035M 11ER035M — — — — — 3,50 3,00 4,0 — — 16ER040M 20ER040M 25ER040M 32ER040M 40ER040M 4,00 3,00 4,0 8ER040M 11ER040M — — — — — 4,00 3,50 4,5 — — 16ER045M — — — — 4,50 3,50 4,5 8ER045M 11ER045M — — — — — 4,50 4,00 5,0 — — 16ER050M 20ER050M 25ER050M 32ER050M 40ER050M 5,00 4,00 5,0 8ER050M 11ER050M — — — — — 5,00 4,50 5,5 — — 16ER055M — — — — 5,50 4,50 5,5 — 11ER055M — — — — — 5,50 5,00 6,0 — — 16ER060M 20ER060M 25ER060M 32ER060M 40ER060M 6,00 5,00 6,0 — 11ER060M — — — — — 6,00 5,50 6,5 — — 16ER065M — — — — 6,50 5,50 6,5 — 11ER065M — — — — — 6,50 6,00 7,0 — — 16ER070M 20ER070M 25ER070M 32ER070M 40ER070M 7,00 6,00 7,0 — 11ER070M — — — — — 7,00 6,50 7,5 — — 16ER075M — — — — 7,50 6,50 8,0 — — 16ER080M 20ER080M 25ER080M 32ER080M 40ER080M 8,00 7,00 (continued) I54 WWW.WIDIA.COM Collets and Sleeves