END MILL HOLDERS
TAPER PLUS BT END MILL HOLDERS
• 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
D d
TAPER PLUS - NBT30 - INCH Part Number Ød L L1
Set Screw Part Number
Max. RPM Fig.
L2 D D1
NB3006-0125-2.36CP 1/8" 2.36" 1.00" 1.36" 0.75" 1.18" S6-32X1/4 30K 8 NB3006-0187-2.36CP 3/16" 2.36" 1.00" 1.36" 0.75" 1.26" S8-32X1/4 30K 8 NB3006-0250-2.36CP 1/4" 2.36" 1.00" 1.36" 0.79" 1.18" S1/4-28X1/4 30K 8 NB3006-0312-2.36CP 5/16" 2.36" 1.00" 1.36" 0.87" 1.38" S5/16-24X1/4 30K 8 NB3006-0375-2.36CP 3/8" 2.36" 1.00" 1.36" 1.00" 1.18" S3/8-24x5/16 30K 8 NB3006-0500-2.36CP 1/2" 2.36" 1.50" 0.86" 1.38" - S7/16-20x3/8 30K 9 NB3006-0625-2.50CP 5/8" 2.50" 1.63" 0.87" 1.65" - S9/16-18X1/2 30K 9 NB3006-0750-3.00CP 3/4" 3.00" 1.73" 1.27" 1.88" - S5/8-18x1/2 30K 10 NB3006-1000-3.54CP 1" 3.54" 2.44" 1.10" 2.36" - S3/4-16X11/16(2) 30K 11
L1
L
L2
L
Fig. 11
D d
L1
L
TAPER PLUS - NBT40 - INCH Part Number Ød L L1 L2
L2
Set Screw Part Number
Max. RPM Fig.
D
L
NB4006-0500-4.00CP 1/2" 4.00" NB4006-1250-3.56CP 1-1/4" 3.54"
2.94" 2.50"
1.06" 1.04"
1.38" 2.48"
S7/16-20x3/8 25K 9 S3/4-16X11/16 (2) 25K 12
Fig. 12
Retention Knobs Page 267
Tool Clampers Page 274
Set Screws Page 173
167
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