ER COOLIT - SEALED JET COLLET 1450 PSI 46-48 HRc Ra 4µin 1450 psi ER16, 20, 25-SEAL ER32, 20, 40-SEAL Diameter Diameter Diameter Diameter Designation Range Range (mm) Designation Range Range (mm) ER16 SEAL .120-.159 1/8 (.120-.159) 3- 4 ER32 SEAL .120-.159 1/8 (.120-.159) 3- 4 ER16 SEAL .159-.199 3/16 (.159-.199) 4- 5 ER32 SEAL .159-.199 3/16 (.159-.199) 4- 5 ER16 SEAL .199-.238 7/32 (.199-.238) 5- 6 ER32 SEAL .199-.238 7/32 (.199-.238) 5- 6 ER16 SEAL .238-.278 1/4 (.238-.278) 6- 7 ER32 SEAL .238-.278 1/4 (.238-.278) 6- 7 ER16 SEAL .278-.317 5/16 (.278-.317) 7- 8 ER32 SEAL .278-.317 5/16 (.278-.317) 7- 8 ER16 SEAL .317-.356 11/32 (.317-.356) 8- 9 ER32 SEAL .317-.356 11/32 (.317-.356) 8- 9 ER16 SEAL .356-.396 3/8 (.356-.396 9-10 ER32 SEAL .356-.396 3/8 (.356-.396 9-10 ER20 SEAL .120-.159 1/8 (.120-.159) 3- 4 ER32 SEAL .396-.435 13/32 (.396-.435) 10-11 ER20 SEAL .159-.199 3/16 (.159-.199) 4- 5 ER32 SEAL .435-.474 7/16 (.435-.474) 11-12 ER20 SEAL .199-.238 7/32 (.199-.238) 5- 6 ER32 SEAL .474-.514 1/2 (.474-.514) 12-13 ER20 SEAL .238-.278 1/4 (.238-.278) 6- 7 ER32 SEAL .514-.553 17/32 (.514-.553) 13-14 ER20 SEAL .278-.317 5/16 (.278-.317) 7- 8 ER32 SEAL .553-.593 9/16 (.553-.593) 14-15 ER20 SEAL .317-.356 11/32 (.317-.356) 8- 9 ER32 SEAL .593-.632 5/8 (.593-.632) 15-16 ER20 SEAL .356-.396 3/8 (.356-.396 9-10 ER32 SEAL .632-.671 21/32 (.632-.671) 16-17 ER20 SEAL .396-.435 13/32 (.396-.435) 10-11 ER32 SEAL .671-.711 11/16 (.671-.711) 17-18 ER20 SEAL .435-.474 7/16 (.435-.474) 11-12 ER32 SEAL .711-.750 3/4 (.711-.750) 18-19 ER20 SEAL .474-.514 1/2 (.474-.514) 12-13 ER32 SEAL .750-.789 25/32 (.750-.789) 19-20 ER25 SEAL .120-.159 1/8 (.120-.159) 3- 4 ER40 SEAL .120-.159 1/8 (.120-.159) 3- 4 ER25 SEAL .159-.199 3/16 (.159-.199) 4- 5 ER40 SEAL .159-.199 3/16 (.159-.199) 4- 5 ER25 SEAL .199-.238 7/32 (.199-.238) 5- 6 ER40 SEAL .199-.238 7/32 (.199-.238) 5- 6 ER25 SEAL .238-.278 1/4 (.238-.278) 6- 7 ER40 SEAL .238-.278 1/4 (.238-.278) 6- 7 ER25 SEAL .278-.317 5/16 (.278-.317) 7- 8 ER40 SEAL .278-.317 5/16 (.278-.317) 7- 8 ER25 SEAL .317-.356 11/32 (.317-.356) 8- 9 ER40 SEAL .317-.356 11/32 (.317-.356) 8- 9 ER25 SEAL .356-.396 3/8 (.356-.396 9-10 ER40 SEAL .356-.396 3/8 (.356-.396 9-10 ER25 SEAL .396-.435 13/32 (.396-.435) 10-11 ER40 SEAL .396-.435 13/32 (.396-.435) 10-11 ER25 SEAL .435-.474 7/16 (.435-.474) 11-12 ER40 SEAL .435-.474 7/16 (.435-.474) 11-12 ER25 SEAL .474-.514 1/2 (.474-.514) 12-13 ER40 SEAL .474-.514 1/2 (.474-.514) 12-13 ER25 SEAL .514-.553 17/32 (.514-.553) 13-14 ER40 SEAL .514-.553 17/32 (.514-.553) 13-14 ER25 SEAL .553-.593 9/16 (.553-.593) 14-15 ER40 SEAL .553-.593 9/16 (.553-.593) 14-15 ER25 SEAL .593-.632 5/8 (.593-.632) 15-16 ER40 SEAL .593-.632 5/8 (.593-.632) 15-16 Note: When clamping a tool in the lower .012” (for example .323”) of the ER40 SEAL .632-.671 21/32 (.632-.671) 16-17 clamping range (the full collapsibility range is. 40”), the runout of the tool in the ER40 SEAL .671-.711 11/16 (.671-.711) 17-18 sealed collet may sometimes exceed the .0004” tolerance. In these cases a special ER40 SEAL .711-.750 3/4 (.711-.750) 18-19 collet of the exact size should be ordered. ER40 SEAL .750-.789 25/32 (.750-.789) 19-20 ER40 SEAL .789-.829 13/16 (.789-.829) 20-21 ER40 SEAL .829-.868 27/32 (.829-.868) 21-22 ER40 SEAL .868-.907 7/8 (.868-.907) 22-23 ER40 SEAL .907-.947 15/16 (.907-.947) 23-24 ER40 SEAL .947-.986 31/32 (.947-.986) 24-25 ER40 SEAL .986-1.025 1 (.986-1.025) 25-26 843