ER COLLET CHUCKS
BT ER COLLET CHUCKS
T.I.R. ≤ 0.0001" in ID bore Speed Up to 25,000 rpm
FEATURES • Ball bearing nut with ground collet race • AT3 or better taper • Equipped with a right-hand-threaded back-up screw
RPM
COOLANT-THRU Coolant-Thru Thru-tool coolant
MILLING
DRILLING REAMING TAPPING
Please note that the maximum RPM listed in our catalog may vary depending on the toolholder shank, weight, balanceability and the G rating.
BT50 - BEARING NUT Part Number Collet Size Collet Range
D
Nut Wrench L L1
D Max. RPM Fig.
L1
B5007-0016-4.12
ER16 0.019 - 0.406" 016-SPAN 4.12" 2.63" 1.26" 25K 1
L
B5007-0016-6.00 ER16 0.019 - 0.406" 016-SPAN 6.00" 4.51" 1.26" 25K 1 B5007-0020-2.75 ER20 0.039 - 0.511" 020-SPAN 2.75" 1.26" 1.38" 25K 1 B5007-0020-4.00 ER20 0.039 - 0.511" 020-SPAN 4.00" 2.50" 1.38" 25K 1 B5007-0025-2.63 ER25 0.039 - 0.511" 020-SPAN 2.63" 1.13" 1.65" 25K 1 B5007-0025-4.00 ER25 0.039 - 0.511" 020-SPAN 4.00" 2.50" 1.65" 25K 1 B5007-0032-4.00 ER32 0.078 - 0.787" 032-SPAN 4.00" 2.50" 1.97" 25K 1 B5007-0032-6.00 ER32 0.078 - 0.787" 032-SPAN 6.00" 4.50" 1.97" 25K 1 B5007-0040-4.00 ER40 0.078 - 0.787" 032-SPAN 4.00" 2.50" 2.44" 25K 1 B5007-0040-6.00 ER40 0.078 - 0.787" 032-SPAN 6.00" 4.50" 2.44" 25K 1 Note: ER Collet Chucks come with back-up screw.
L
Fig. 6
Notes: • Back-up Screw included with ER Collet Chuck. • *For Extended Length holders, “L” dimension has tapered length. To confirm clearance, please download model/drawing from our website Available in TAPER PLUS + Dual-taper and flange contact
ER Collet Chucks have coolant-thru capabilities. No disc, special nut or wrench required! See ER Coolant Collets on pages 65-70
ER Torque Wrenches Page 75
ER Back Up Screws Page 75
ER Collets Pages 65-70
ER Nuts Page 74
55 lyndexnikken.com
Powered by FlippingBook