ER Collet System

Straight Shank ER Collet Chucks

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ER11 COLLET SERIES - .020-.275 (.5-7)
Part Number A (Dia.) B (Dia.) C D OAL Comp Nut Stop Screw Nut Tightening Torque Wrench
ER11-500-6H .500 .615 5.50 2.90 6.75 LN-ER11 - 22 ft. lbs. ECN56W
ER11-625-6H .625 .615 5.51 1.65 6.75 LN-ER11 029-909 22 ft. lbs. ECN56W
ER11-750-6H .750 .750 6.00 2.00 6.75 11ERHN 029-088 22 ft. lbs. 300CNW
ER16 COLLET SERIES - .020-.393 (.5-10)
Part Number A (Dia.) B (Dia.) C D OAL Comp Nut Stop Screw Nut Tightening Torque Wrench
ER16-750-550 0.750 1.10 4.00 2.00 5.50 16ERHPN BS-20 42 ft. lbs ECN20W
ER16-750-750 0.750 1.10 6.00 2.00 7.50 16ERHPN BS-20 42 ft. lbs ECN20W
ER16-750-7H 0.750 0.85 6.30 3.90 6.75 LNER16 - 42 ft. lbs ECN78W
ER20 COLLET SERIES - .039-.511 (1-13)
Part Number A (Dia.) B (Dia.) C D OAL Collet Nut Stop Screw Nut Tightening Torque Wrench
ER20-100-7H 1.000 1.209 6.40 6.50 7.20 LNER20 - 60 ft. lbs -
ER20-625-560H .625 1.344 3.94 1.66 - 20ERN 029-E08 60 ft. lbs 20ERENW
ER20-750-6H .750 1.344 6.00 - 7.70 20ERHPN 029-E12 60 ft. lbs ECN20W
ER25 COLLET SERIES - .039-.630 (1-16)
Part Number A (Dia.) B (Dia.) C D OAL Comp Nut Stop Screw Nut Tightening Torque Wrench
ER25-100-531 1.000 1.375 3.94 3.90 5.31 LN-ER25 029-E12 86 ft. lbs 25ERENW
ER25-750-4 .750 1.660 4.00 1.81 6.10 25ERN 029-E12 86 ft. lbs 25ERNW
ER25-750-531 .750 1.660 3.94 1.31 5.31 25ERPN 029-E12 86 ft. lbs 25ERNW
ER32 COLLET SERIES - .078-.787 (2-20)
Part Number A (Dia.) B (Dia.) C D OAL Comp Nut Stop Screw Nut Tightening Torque Wrench
ER32-100-425 1.000 1.97 2.00 3.63 4.25 32ERPN BS-11 100 ft. lbs 32ERNW
ER32-125-6 1.250 1.97 5.75 3.00 8.00 32ERPN BS-11 100 ft. lbs 32ERNW
ER32-750-425 0.750 1.97 2.00 3.85 4.25 32ERPN BS-20 100 ft. lbs 32ERNW
ER40 COLLET SERIES - .118-1.181 (3.26)
Part Number A (Dia.) B (Dia.) C D OAL Comp Nut Stop Screw Nut Tightening Torque Wrench
ER40-125-2 1.250 2.359 2.37 3.75 4.75 40ERN 029-E18 146 ft. lbs 40ERNW
ER40-125-413 1.250 2.359 1.70 - 4.13 40ERPN 029-E18 146 ft. lbs 40ERNW