ER COLLET CHUCKS
NMTB AND R8 ER COLLET CHUCKS
T.I.R. ≤ 0.0001" in ID bore COOLANT-THRU Coolant-Thru Thru-tool coolant MILLING
FEATURES • Ball bearing nut with ground collet race • AT3 or better taper
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.
NMTB30/40/50 Part Number Collet Size
D
Collet Range Nut Wrench L L1
D
Fig.
L1
L
N3007-0011-2.00 N3007-0016-1.77 N4007-0016-1.77 N4007-0025-2.00 N5007-0016-2.00 N5007-0025-2.00
ER11 0.019 - 0.275" ER16 0.019 - 0.406" ER16 0.019 - 0.406"
011-HEX 016-SPAN 016-SPAN
2.00" 1.60" 0.75" 1 1.77" 1.35" 1.26" 1 1.77" 1.41" 1.26" 1
L
ER25 0.039 - 0.629" 025-SPAN 2.00" 1.62" 1.65" 1
ER16 0.019 - 0.406"
016-SPAN 2.00" 1.41" 1.26" 1
Fig. 8
ER25 0.039 - 0.629" 025-SPAN 2.00" 1.41" 1.65" 1
D
Note: NMTB shanks are suitable for use with Erickson Quick Change spindles.
L1
L
R8
Collet Range Nut Wrench L L1
Part Number Collet Size
D
Fig.
R8007-0016-1.00S ER16 0.019 - 0.406" WRENCH-ER16-HEX 1.00" 0.87" 1.10" 1 R8007-0020-2.00S ER20 0.039 - 0.511" WRENCH-ER20-HEX 2.00" 2.07" 1.34" 1 R8007-0025-2.50S ER25 0.039 - 0.629" 025-SPAN 2.50" 2.37" 1.65" 1 Note: ER Collet Chucks come with back-up screw.
Fig. 9
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
62 847-367-4800
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