ER COLLET CHUCKS
TAPER PLUS BT ER COLLET CHUCKS
• Outstanding runout accuracy for longer tool life • Vibration dampening for increased productivity • High rigidity for smooth and stable cutting • Interchangeable between standard and dual face contact spindles • 53% more surface area contact than just the taper alone Taper Plus (Dual Contact) Advantages
TAPER PLUS +
Standard
TAPER PLUS - BT40 Part Number Collet Size
D
Collet Range L L1
D Max. RPM Fig.
NB4007-0020-2.50G NB4007-0020-4.00G NB4007-0020-6.00G NB4007-0025-2.25G NB4007-0025-4.00G NB4007-0025-6.00G NB4007-0032-3.13G NB4007-0032-5.00G NB4007-0032-6.30G
ER20 0.039 - 0.511" 2.50" 1.44" 1.38" 25K 1 ER20 0.039 - 0.511" 4.00" 2.94" 1.38" 25K 1 ER20 0.039 - 0.511" 6.00" 4.94" 1.38" 25K 1 ER25 0.039 - 0.629" 2.25" 1.19" 1.65" 25K 1 ER25 0.039 - 0.629" 4.00" 2.94" 1.65" 25K 1 ER25 0.039 - 0.629" 6.00" 4.94" 1.65" 25K 1 ER32 0.078 - 0.787" 3.13" 2.06" 1.97" 25K 1 ER32 0.078 - 0.787" 5.00" 3.94" 1.97" 25K 1 ER32 0.078 - 0.787" 6.30" 5.28" 1.97" 25K 1
L1
L
L
Fig. 6
Note: See page 69 for Torque Wrench and attachment options.
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
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